Energy balance
In rural South African adults (40-60 years), moderate-to-vigorous physical activity (MVPA) is not associated with Body Mass Index (BMI), contradicting the assumption that increased physical activity reduces obesity risk in this population.
For adults in this rural South African setting, increasing physical activity alone is unlikely to reduce BMI. Public health efforts should prioritize dietary interventions, specifically reducing sugar-sweetened beverage intake, rather than focusing solely on increasing physical activity for weight control.
PA was not associated with BMI in either sexes. ... The major findings of this study are first, the marked difference in obesity levels between sexes, second a lack of association between PA and BMI and third, a positive association between SSB and BMI.
Why this rating
Cross-sectional design limits causal inference; however, the sample size is large (n=1143) and uses objective anthropometric measures.
Source
Determinants of body mass index by gender in the Dikgale Health and Demographic Surveillance System site, South Africa
Felistas Mashinya et al. · Global Health Action · 2018
DOI 10.1080/16549716.2018.1537613
More from this paper
- Higher Socioeconomic Status (SES) is positively associated with higher BMI in both men and women in this rural South African population, acting as a proxy for access to calorie-dense foods like sugar-sweetened beverages.Moderate
- Consumption of Sugar-Sweetened Beverages (SSBs) is positively associated with higher BMI in women, but not significantly in men, in this rural South African population.Moderate
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