Public Health

Kappagoda, Manel; Wiley, Lindsay F.; Pearson, A. C.

doi:10.1093/oxfordhb/9780199366521.013.46

Cited by 7 publications

(5 citation statements)

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“…The flow of the participants and the trial design are presented in Figure 1. The full trial protocol has been published previously in detail (12).…”

Section: Methodsmentioning

confidence: 99%

“…According to the trial protocol, a planned sample size of 7,000 has 90% power to detect a 10% difference in the obesity intervention group at 5% statistical significance (two-sided) (12). A sample size of 5,000 had 85% power to detect a 10% difference.…”

Section: Sampling and Participantsmentioning

confidence: 99%

“…In schools assigned to the intervention, the HLI-CCA was delivered to children and adolescents with integrated intervention strategies focused on changing specific behaviors related to energy intake and expenditure, such as decreasing the consumption of sweetened fizzy drinks, increasing the consumption of vegetables, ensuring proper protein intake, reducing sedentary behaviors including screen time, and maintaining at least 1 h of moderate to vigorous physical activity. Integrating the above intervention elements, the comprehensive intervention strategy of the HLI-CCA includes the following four parts during the whole intervention period, which were described in the previously published protocol in detail (12).…”

Section: Interventionmentioning

confidence: 99%

“…In the control schools, no specific intervention strategies or activities were carried out throughout the study period, but only records of their daily activities according to ordinary monitoring were conducted by project members. Detailed quality control measures and process evaluation were implemented according to the protocol, including the specialized intervention manual, professional trainings for all the intervention school doctors, health education teachers, and physical education teachers, routine supervision by project managers, and appropriate incentives to avoid loss of follow-up (12).…”

Section: Interventionmentioning

confidence: 99%

“…The Health Lifestyles Intervention in Chinese Children and Adolescents (HLI-CCA) was a multicenter cluster nonrandomized controlled school-based intervention aiming to prevent obesity in children and adolescents. It included elements of education around nutrition and physical activity as well as modifications to school environments and engagement of families (12). We hypothesized that obesity intervention would have effects not only on obesity but also on the blood pressure in children and adolescents because obesity is becoming one of the leading risk factors for HBP (2).…”

Section: Introductionmentioning

confidence: 99%

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National School-Based Health Lifestyles Intervention in Chinese Children and Adolescents on Obesity and Hypertension

et al. 2021

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Introduction: This study aimed to examine the effectiveness of the national school-based intervention on both obesity and high blood pressure in Chinese children and adolescents aged 6–18 years.Methods: The national school-based cluster non-randomized controlled trial was done in seven provinces from September 2013 to February 2014. A total of 23,175 children and adolescents in the control group and 25,702 in the intervention group were included in this trial with a mean follow-up of 6.7 ± 0.9 months. Mixed-effects regression models were used to evaluate the effect of the interventions on body weight and blood pressure (BP).Results: A significant upward in the body mass index (BMI) levels but downward in systolic BP (SBP), diastolic BP (DBP), BMI Z-scores, SBP Z-scores, and DBP Z-scores were witnessed in the intervention group compared to those in the control group (<0.001). Subgroup analyses presented significant intervention effects in children aged 6–12 years for BMI, SBP, DBP, and their standardized values Z-scores, but no effective results were found in adolescents aged 13–18 years. Stratification analyses based on the dynamic weight changes presented non-differential HBP, SHBP, and DHBP prevalence gaps between the control and intervention groups. Children aged 6–12 years with higher BMI percentiles at baseline presented obvious declines in SBP and DBP standardized values Z-scores.Conclusion: A mean 6-month multi-centered school-based comprehensive obesity intervention in China yields a small to null effect on obesity and hypertension with increasing age; the early age before 12 years may be the key period for interventions, and the younger, the better. Precise and high-intensity interventions targeting the population at different stages of childhood and adolescence are urgently needed to be developed.Clinical Trial Registration:https://www.clinicaltrials.gov/, identifier: NCT02343588

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“…The flow of the participants and the trial design are presented in Figure 1. The full trial protocol has been published previously in detail (12).…”

Section: Methodsmentioning

confidence: 99%

Section: Sampling and Participantsmentioning

confidence: 99%

Section: Interventionmentioning

confidence: 99%

Section: Interventionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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National School-Based Health Lifestyles Intervention in Chinese Children and Adolescents on Obesity and Hypertension

et al. 2021

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The Challenge of Connecting Dietary Changes to Improved Disease Outcomes: The Balance between Positive, Neutral, and Negative Publication Results

Beto¹,

Champagne²,

Dennett³

et al. 2016

Journal of the Academy of Nutrition and Dietetics

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Development and Validation of the Body Size Scale for Assessing Body Weight Perception in African Populations

et al. 2015

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BackgroundThe social valorisation of overweight in African populations could promote high-risk eating behaviours and therefore become a risk factor of obesity. However, existing scales to assess body image are usually not accurate enough to allow comparative studies of body weight perception in different African populations. This study aimed to develop and validate the Body Size Scale (BSS) to estimate African body weight perception.MethodsAnthropometric measures of 80 Cameroonians and 81 Senegalese were used to evaluate three criteria of adiposity: body mass index (BMI), overall percentage of fat, and endomorphy (fat component of the somatotype). To develop the BSS, the participants were photographed in full face and profile positions. Models were selected for their representativeness of the wide variability in adiposity with a progressive increase along the scale. Then, for the validation protocol, participants self-administered the BSS to assess self-perceived current body size (CBS), desired body size (DBS) and provide a “body self-satisfaction index.” This protocol included construct validity, test-retest reliability and convergent validity and was carried out with three independent samples of respectively 201, 103 and 1115 Cameroonians.ResultsThe BSS comprises two sex-specific scales of photos of 9 models each, and ordered by increasing adiposity. Most participants were able to correctly order the BSS by increasing adiposity, using three different words to define body size. Test-retest reliability was consistent in estimating CBS, DBS and the “body self-satisfaction index.” The CBS was highly correlated to the objective BMI, and two different indexes assessed with the BSS were consistent with declarations obtained in interviews.ConclusionThe BSS is the first scale with photos of real African models taken in both full face and profile and representing a wide and representative variability in adiposity. The validation protocol proved its reliability for estimating body weight perception in Africans.

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Public Health

Cited by 7 publications

References 0 publications

National School-Based Health Lifestyles Intervention in Chinese Children and Adolescents on Obesity and Hypertension

National School-Based Health Lifestyles Intervention in Chinese Children and Adolescents on Obesity and Hypertension

The Challenge of Connecting Dietary Changes to Improved Disease Outcomes: The Balance between Positive, Neutral, and Negative Publication Results

Development and Validation of the Body Size Scale for Assessing Body Weight Perception in African Populations

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