Obesity

Does Neighborhood Redevelopment Reduce Obesity? Evidence From Jordan Downs in Watts, Los Angeles

Obesity (Silver Spring)Published Longitudinal cohort study

Authors' conclusion

Redeveloping low-income communities can reduce abdominal obesity.

Study context

Population
Adult public housing residents of a low-income, minority community in Watts, Los Angeles, California421 adults analysed
Participants
279 vs 149
Exposure
Jordan Downs residents vs comparison group residents in Watts
  • Jordan Downs (JD)n = 279
  • Comparisonn = 149reference
Outcome
Changes in BMI and waist circumference
Follow-up
Baseline (2018-2019) to (2021-2022)
Methodological detailsquasi-experimental difference-in-difference analysis, difference-in-difference models with individual fixed effects, quasi-experimental dose-response analysis
  • Quasi-experimental difference-in-difference analysis
  • Difference-in-difference models with individual fixed effects
  • Quasi-experimental dose-response analysis

Main finding

As reported in the abstract

  • No significant differences in BMI or waist circumference changes between JD and comparison group overall

Observational data: associations, not effects.

Secondary outcomes

OutcomeEstimate
Waist circumference change, JD residents who moved to redeveloped areas (n = 75) vs comparisonLarger reduction with moved to redeveloped areaslarger reduction 2.2% (95% CI −0.05 to −0.003)
Abdominal obesity decline, JD residents who moved to redeveloped areas (n = 75) vs comparisonGreater decline with moved to redeveloped areasgreater decline 10.6 percentage point percentage points (95% CI −0.20 to −0.02)

Barriers, diet and activity, movers to redeveloped areas vs comparison

Greater declines in barriers to healthy eating and exercise, along with reduced added sugar intake
No differential changes in BMI, obesity, physical activity, or diet quality

Original publication

Does Neighborhood Redevelopment Reduce Obesity? Evidence From Jordan Downs in Watts, Los Angeles. Obesity (Silver Spring). Published 18 September 2025. doi:10.1002/oby.70025

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.