Active Commuting to School Among Adolescents in Ho Chi Minh City, Vietnam

Trang, Nguyen H.H.D.; Tang, Hong; Dibley, Michael J.

doi:10.1016/j.amepre.2011.10.006

Cited by 55 publications

(50 citation statements)

References 34 publications

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“…Another paper has used the longitudinal data from the youth cohort to describe changes in active commuting to school and risk factors for changes in commuting status 28. More results will be presented in future papers presenting changes in physical activity, sedentary behaviour and overweight/obesity and their associated risks factors.…”

Section: Resultsmentioning

confidence: 99%

Cohort profile: Ho Chi Minh City Youth Cohort—changes in diet, physical activity, sedentary behaviour and relationship with overweight/obesity in adolescents

2012

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ObjectivesThe Ho Chi Minh Youth cohort study aimed to assess the change in nutritional status; indicators of adiposity; diet; physical activity and sedentary behaviours; home, neighbourhood and school microenvironments and their complex relationships in adolescents in urban areas of Ho Chi Minh City.DesignProspective 5-year cohort.SettingSystematic random sampling was used to select 18 schools in urban districts.ParticipantsChildren were followed up over 5 years with an assessment in each year. Consent, from both adolescents and their parents, was required. At baseline, 759 students were recruited into the cohort, and of these students, 740 remained in the cohort for the first round, 712 for the second round, 630 for the third round and 585 for the last round of follow-up.Primary and secondary outcome measuresAnthropometric measurements were taken using established guidelines. Six main groups of exposure factors including dietary intake and behaviours, physical activity and sedentary behaviours, family social and physical environment, school environment, socioeconomic status and parental characteristics were measured.ResultsRetention rate was high (77%). Within 5-year period, the prevalence of combined overweight and obesity using International Obesity Task Force cut-off values increased from 14.2% to 21.8%. Time spent on physical activity decreased significantly in the 5-year period from 87 to 50 min/day. Time spent on sedentary behaviours increased in the 5-year period from 512 to 600 min/day.ConclusionsThe complete data analysis of this cohort study will allow a full exploration of the role of environmental and lifestyle behaviours on adolescent overweight and obesity and also identify the factors most strongly associated with excess weight gain and the appearance of overweight and obesity in different age groups of adolescents from this large city in Vietnam.

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Section: Resultsmentioning

confidence: 99%

Cohort profile: Ho Chi Minh City Youth Cohort—changes in diet, physical activity, sedentary behaviour and relationship with overweight/obesity in adolescents

2012

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“…Australian adolescents had a leveling off in the prevalence of active commuting between 2004 and 2010 (Meron et al, 2011). On the other hand, a remarkable decrease in active commuting was found among Vietnamese adolescents (Trang et al, 2012). As in Vietnam, Brazil is likely to be experiencing environmental and socioeconomic changes that may lead to a similar profile found in developed countries.…”

Section: Discussionmentioning

confidence: 95%

Longitudinal and cross-sectional changes in active commuting to school among Brazilian schoolchildren

Costa

Silva

Schmoelz

et al. 2012

Preventive Medicine

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“…10 In LMIC the data are limited, but studies conducted in Brazil, China, Mozambique and Vietnam have also shown that the AST trend in this countries mirrored HIC trends. [11][12][13][14] Active travel to school is one way in which children can increase their levels of PA and prevent obesity. 15 A recent systematic review showed that there is conflicting, and very low-quality evidence, regarding the association between adiposity indicators and AST.…”

Section: Introductionmentioning

confidence: 99%

Relationships between active school transport and adiposity indicators in school-age children from low-, middle- and high-income countries

et al. 2015

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OBJECTIVES:Within the global context of the nutrition and physical activity transition it is important to determine the relationship between adiposity and active school transport (AST) across different environmental and socio-cultural settings. The present study assessed the association between adiposity (that is, body mass index z-score (BMIz), obesity, percentage body fat (PBF), waist circumference) and AST in 12 country sites, in the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE). METHODS: The analytical sample included 6797 children aged 9-11 years. Adiposity indicators included, BMIz calculated using reference data from the World Health Organization, obesity (BMIz ⩾ +2 s.d.), PBF measured using bioelectrical impedance and waist circumference. School travel mode was assessed by questionnaire and categorized as active travel versus motorized travel. Multilevel linear and non-linear models were used to estimate the magnitude of the associations between adiposity indicators and AST by country site and sex. RESULTS: After adjusting for age, sex, parental education and motorized vehicle availability, children who reported AST were less likely to be obese (odds ratio = 0.72, 95% confidence interval (0.60-0.87), P o0.001) and had a lower BMIz (−0.09, s.e.m. = 0.04, P = 0.013), PBF (least square means (LSM) 20.57 versus 21.23% difference − 0.66, s.e.m. = 0.22, P = 0.002) and waist circumference (LSM 63.73 cm versus 64.63 cm difference − 0.90, s.e.m. = 0.26, P = 0.001) compared with those who reported motorized travel. Overall, associations between obesity and AST did not differ by country (P = 0.279) or by sex (P = 0.571). CONCLUSIONS: AST was associated with lower measures of adiposity in this multinational sample of children. Such findings could inform global efforts to prevent obesity among school-age children.

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Active Commuting to School Among Adolescents in Ho Chi Minh City, Vietnam

Cited by 55 publications

References 34 publications

Cohort profile: Ho Chi Minh City Youth Cohort—changes in diet, physical activity, sedentary behaviour and relationship with overweight/obesity in adolescents

Cohort profile: Ho Chi Minh City Youth Cohort—changes in diet, physical activity, sedentary behaviour and relationship with overweight/obesity in adolescents

Longitudinal and cross-sectional changes in active commuting to school among Brazilian schoolchildren

Relationships between active school transport and adiposity indicators in school-age children from low-, middle- and high-income countries

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