Why the study?
Physical activity intervention effects on blood pressure have mostly been studied in high socioeconomic status older adults, with reliable evidence lacking in low socioeconomic status populations.
Does a physical activity intervention reduce blood pressure in socioeconomically disadvantaged older adults?
Population
506 low socioeconomic status older adults across eight villages in Sichuan, China
Comparison
Physical activity intervention vs no intervention
Design
Cluster randomized trial
Follow-up
24 months
Key result
An 8-week physical activity intervention did not significantly decrease systolic blood pressure (between-group difference 1.77 mm Hg, P = .37) at 24 months in low socioeconomic status older adults.
Authors
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No sustained BP benefit from physical activity at 24 months in disadvantaged older adults; leaves open whether longer or tailored programs would succeed.
RCT (n=506)
Single-blind
1:1 ratio
Yes
Does a physical activity intervention reduce blood pressure in socioeconomically disadvantaged older adults?
Mean Difference: 1.77
Absolute Event Rate: 136.44% vs 133.83%
p-value: p=.37
A physical activity intervention did not significantly decrease blood pressure at 24 months in socioeconomically disadvantaged older adults.
Liu et al. (2026) conducted an RCT in Low socioeconomic status older adults (n=506). Physical activity intervention vs. No intervention was evaluated on Change in systolic blood pressure at 24 months (MD 1.77 mm Hg, p=.37). An 8-week physical activity intervention did not significantly decrease systolic blood pressure (between-group difference 1.77 mm Hg, P = .37) at 24 months in low socioeconomic status older adults.
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