Research

Energy balance

Lower socioeconomic status (income <$10,000/year) in women is associated with significantly higher energy intake, higher percentage of energy from fat, and lower dietary restraint compared to higher income groups, while physical activity levels remain statistically similar across income groups.

For women in lower income brackets, weight management strategies should prioritize dietary quality and caloric awareness over exercise prescriptions, as this study found no significant difference in physical activity levels between income groups. Focus on reducing total energy intake and increasing dietary restraint (e.g., reducing fat percentage, increasing fruits/vegetables) is more likely to impact weight outcomes than increasing exercise volume alone.

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Women in low-income groups reported higher total energy intake, a higher percentage of energy from fat, and fewer specific eating behaviors thought to promote a low-fat diet... However, physical activity did not vary significantly by income group, as indicated by the total physical activity score or in analyses of individual physical activity items.
Robert W. Jeffery et al. · American Journal of Public Health · 1996

Why this rating

Large sample size (n=998), rigorous statistical controls (age, BMI, smoking, ethnicity), and clear dose-response gradients for dietary variables, though cross-sectional design limits causal inference.

Source

Socioeconomic status and weight control practices among 20- to 45-year-old women.

Robert W. Jeffery et al. · American Journal of Public Health · 1996

DOI 10.2105/ajph.86.7.1005

cross_sectional · n=998Cited 237×
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DOI resolved against Crossref · corpus check 2026-06-10

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