10% 4%
86%
Very helpful
Less useful
Not useful
Chart: 2.1: Evaluation results of the effectiveness of the Company's occupational safety and health training sessions
Source: [7]
To improve safety control at construction sites, the Company also stipulates that every morning, before the construction teams organize a safety discussion, identify hazards and assess risks for the work performed during the day. The implementation is recorded and kept in the records through the Safety Discussion Minutes/Safety Diary.
However, the regular and continuous implementation of the safety discussions at the beginning of the working hours of the construction teams is still not serious and complete. According to the statistics on the participation and presence of the construction teams at the project meetings, through the implementation records in the third quarter of 2019 of the construction teams spread across the Northern, Central and Southern regions, there are:
- 60% of construction teams conduct Hazard Identification, Risk Assessment, Safety Discussion at the beginning of the hour and write discussion minutes.
- 30% have written minutes but do not identify hazards, assess risks, or discuss safety at the beginning of the session.
-10% No Hazard Identification, Risk Assessment, No Safety Discussion at the Beginning of Class, No Minutes of Discussion.
Describe the statistical results of the reported data on the number of people attending daily safety discussions at project sites as shown in the chart in Figure 2.2:
10
30
60
Conduct discussion
No discussion, no minutes
Write minutes, no meetings
Chart 2.2: Statistical results on the implementation of daily occupational safety and health meetings at project sites
Source: [7]
Through the chart showing the results that have been synthesized, statistically and reported, it shows that the work of safety meetings at the beginning of the hour - safety discussions at the projects has not yet received proper recognition and attention from all workers, especially for some construction site commanders at the project who have not yet clearly recognized the role and responsibility as well as the effectiveness of this work. This is also a shortcoming in the management of occupational safety and health at the Company's TCLĐ projects.
It can be seen that occupational safety and health training according to legal regulations and internal occupational safety and health training and occupational safety and health communication always go hand in hand and complement each other to maximize the effectiveness of raising awareness among workers, which is a key factor for the goal of sustainable development in the direction of safety management.
2.2.8. Provide personal protective equipment
Identifying the elevator and escalator installation industry as a manufacturing industry with many dangerous and harmful factors in the working environment. The Company's Board of Directors strongly requested and directed the provision of PPE, showing the concern and care for employees. This is a factor demonstrating the commitment of the Company's Board of Directors in the occupational safety and health policy. Through the process of observation and evaluation, it can be seen that the Company has fully equipped PPE for all employees according to the list of occupations specified in Circular No. 04/2014/TT-BLDTBXH dated February 12, 2014 of the Ministry of Labor, Invalids and Social Affairs - Circular Guiding the implementation of the PPE regime. The inspection, testing, and maintenance of safety equipment and PPE are also carried out in accordance with regulations. For
Other types of PTBVCN are issued according to the usage period and depreciated when damaged during use. The costs for purchasing are clearly shown in the annual reports, specifically in 2017, the cost for purchasing PTBVCN equipment was 913,000,000 VND, in 2018 it was 1,510,000,000 VND, in 2019 it was 1,100,000,000 VND [7].
Personal protective equipment is certified to be in compliance with current state regulations. The issued personal protective equipment and the PTBVCN issuance records are kept by the Materials & Warehouse Department. Every day, before use, the construction team checks the quality of the issued personal protective equipment. Damaged or substandard equipment is detected and removed. Through the content built into the questionnaires, we also surveyed in detail the management of the issuance, preservation and use of personal protective equipment. The survey results show that up to 90% of the surveyed employees think that the provision of personal protective equipment by the corporation to employees is very good, the rest think that the quality of personal protective equipment is not good. The use of personal protective equipment is strictly regulated by the Company, with sanctions and levels of punishment for violations of not using or preserving personal protective equipment. Therefore, compliance with regulations on preservation and use of personal protective equipment at the Company's project sites is very serious.
2.2.9. Workers' health care
Regarding health examination and care for officers and employees, through the process of reviewing records and documents, it shows that:
+ In 2017, the Company organized periodic health check-ups once a year for all employees of the Company: 774/721 people, reaching 93.2%. (53 people were missing due to resignation and maternity leave).
Table 2.2: Number of staff participating in the 2017 health check-up
Unit: Person
STT
Content | Quantity | Rate (%) | Note | |
1 | Total number of employees | 774 | 100 | |
Number of employees participating in health check-up | 721 | 93.2 | ||
2 | In there: | |||
Female | 108 | 15.0 | ||
Male | 613 | 85.0 | ||
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Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in people's daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone company's network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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Statistical Table of Test Results of Classes 10A1 and 10A6 -
Evaluation of Research Results of Research Projects on Organizational Implementation and Directions for Perfecting Legal Regulations on Rights Protection -
Results of Teachers' Implementation of Stages of the Teaching and Learning Process -
Research Results of Factors Affecting the Implementation of Management Accounting to Evaluate Operational Efficiency in Travel Enterprises

Source [6]
Type I V Type V
Type II 0.3%
8.3%
0.1%
Type I 10.7%
Type II 80.6%
Chart 2.3: Classification of staff health in 2017
Source [6]
Type I: Very good; Type II: Good; Type III: Average; Type IV: Poor; Type V: Very poor
+ In 2018, the company organized a periodic health check-up once a year for all employees of the company: 915/942 people, reaching 97.13%, 27 people were missing due to resignation and maternity leave.
Table 2.3: Number of staff participating in the 2018 health check-up
Health type
Male | Female | Total | Percentage (compared to the number classified) | |
Type I | 81 | 15 | 96 | 10.49 |
Type II | 590 | 106 | 696 | 76.06 |
Type III | 82 | 14 | 96 | 10.5 |
Type IV | 25 | 2 | 27 | 2.95 |
Type V | 0 | 0 | 0 | 0 |
Total | 778 | 137 | 915 | 100 |
Source [6]
Type III 10.5%
Type I
Type II
Type III
Type IV
Chart 2.4: Classification of staff health in 2018
Type I: Very good; Type II: Good; Type III: Average; Type IV: Poor; Type V: Very poor
Source [6]
+ In 2019, the company organized a periodic health check-up once a year for all employees of the company: 878/885 people, reaching 99.2%, 7 people were missing due to maternity leave).
Table 2.4: Number of staff participating in the 2019 health check-up
Unit: Person
STT
Content | Number quantity | Proportion (%) | Take note uncle | |
1 | Total number of employees | 885 | 100 | |
Number of employees participating in health check-up | 878 | 99.2 | ||
2 | In there: | |||
Female | 140 | 15.95 | ||
Male | 738 | 85.05 |
Table 2.5: Health classification of staff in 2019
Source [6]
Health type
Male | Female | Total | Percentage (compared to the number classified) | |
Type I | 81 | 18 | 99 | 11.28 |
Type II | 590 | 109 | 699 | 79.61 |
Type III | 49 | 12 | 61 | 6.95 |
Type IV | 18 | 1 | 19 | 2.16 |
Type V | 0 | 0 | 0 | 0 |
Total | 738 | 140 | 878 | 100 |
Source [6]
6.95%
2.16%
11.28%
79.61%
Type I Type II Type III Type IV
Chart 2.5: Classification of employee health in 2019
Type I: Very good; Type II: Good; Type III: Average; Type IV: Poor; Type V: Very poor
Source [6]
The results of the retrospective data and the actual assessment of the implementation show that the Company pays great attention to compliance with legal requirements on employee health management, and all employees of the Company have health management records.
For occupational diseases, based on the production industry, the results of annual periodic health examinations, the results of annual periodic occupational environment monitoring and the assessment of impacts, the Company does not have to conduct occupational disease detection examinations for employees. At the Company's office, a full first aid kit has been arranged according to current state regulations to perform the fastest on-site first aid, but at current construction sites, the provision of first aid kits is not yet sufficient to meet the on-site first aid requirements [6].
Regarding the work of periodic labor environment monitoring, according to survey data, the company complies with the implementation of labor environment monitoring.
+ At Hao Nam Office
Table 2.6: Working environment monitoring data at Hao Nam office
STT
Element | 2017 | 2018 | 2019 | |
Number of samples Passed/K.D | Number of samples Passed/K.D | Number of samples Passed/K.D | ||
1 | Temperature | 19/19 | 19/19 | 19/19 |
2 | Humidity | 19/19 | 19/19 | 19/19 |
3 | Wind speed | 19/19 | 19/19 | 19/19 |
4 | Thermal radiation | 19/19 | 19/19 | 19/19 |
5 | Light | 19/19 | 19/19 | 19/19 |
6 | General noise | 19/19 | 19/19 | 19/19 |
7 | Total dust | 19/19 | 19/19 | 19/19 |
8 | Respirable dust | 19/19 | 19/19 | 19/19 |
9 | C02 | 19/19 | 19/19 | 19/19 |
TOTAL | 171/171 | 171/171 | 171/171 | |
Source [6]
+ At Tran Thai Tong Office
Table 2.7: Working environment monitoring data at Tran Thai Tong office
STT
Element | 2017 | 2018 | 2019 | |
Number of samples Passed/K.D | Number of samples Passed/K.D | Number of samples Passed/K.D | ||
1 | Temperature | VP not included use | VP not included use | 32/32 |
2 | Humidity | / | / | 32/32 |
3 | Wind speed | / | / | 32/32 |
4 | Thermal radiation | / | / | 32/32 |
5 | Light | / | / | 32/32 |
6 | General noise | / | / | 32/32 |
7 | Total dust | / | / | 32/32 |
8 | Respirable dust | / | / | 32/32 |
9 | C02 | / | / | 32/32 |
TOTAL | / | / | 288/288 | |
Source [6]
+ At An Khanh Materials & Warehouse Office
Table 2.8: Working environment monitoring data at An Khanh Materials & Warehouse office
STT
Element | 2017 | 2018 | 2019 | |
Number of samples Passed/K.D | Number of samples Passed/K.D | Number of samples Passed/K.D | ||
1 | Temperature | 10/10 | 10/10 | 16/16 |
2 | Humidity | 10/10 | 10/10 | 16/16 |
3 | Wind speed | 10/10 | 10/10 | 16/16 |
4 | Thermal radiation | 10/10 | 10/10 | 16/16 |
5 | Light | 10/10 | 10/10 | 16/16 |
6 | General noise | 10/10 | 10/10 | 16/16 |
7 | Total dust | 10/10 | 10/10 | 16/16 |
8 | Respirable dust | 10/10 | 10/10 | 16/16 |
9 | C02 | 10/10 | 10/10 | 16/16 |
10 | Toluene | / | / | 2/2 |
11 | Xylene | / | / | 2/2 |
12 | Benzene | / | / | 2/2 |
13 | Acetone | / | / | 2/2 |
TOTAL | 90/90 | 90/90 | 152/152 | |
Source [6]
In general, the results of monitoring the working environment at the offices are in accordance with current regulations, ensuring a working environment for employees.
2.2.10. Management of machinery, equipment and materials with strict requirements on labor safety and self-inspection of labor safety and hygiene
- Regarding the management of machinery, equipment and materials with occupational safety requirements, the company has paid special attention and has had detailed and specific instructions from the Company's Board of Directors. Specifically, the Materials & Warehouse Department is the focal point for the management of machinery, equipment and materials, which has declared its use to the state management agency and inspected 100% of machinery, equipment and materials with strict requirements before being put into use [7].
Year
Number of machines | Rate (%) | |
2017 | 204 | 100 |
2018 | 294 | 100 |
2019 | 180 | 100 |
Source [7]
The Materials & Warehouse Department is a functional unit that periodically organizes self-inspection and maintenance of equipment every 6 months and at the same time prepares inspection and maintenance records in accordance with regulations.
- At the construction units, self-inspection work is carried out in compliance. Every day before using the equipment, the Construction Unit arranges and assigns personnel to perform inspection, test run the equipment and record the log.
2.2.11. Incident handling and emergency response plan development
In order to strengthen the work of ensuring occupational safety and health, preventing uncertainties, incidents, risks as well as proactively responding to occupational safety and health emergencies, the Company has developed and issued specific procedures for responding to possible emergency situations such as: storms, fires, explosions, chemical spills, electric shocks, epidemics, etc.

![Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in peoples daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone companys network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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