Observational studyDirect CHEERSFull text reviewed

Assessment of Heat Exposure and Health Outcomes in Rural Populations of Western Kenya by Using Wearable Devices: Observational Case Study

Matzke et al. · 2024 · JMIR mHealth and uHealth

DOI: 10.2196/54669 ↗

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01 / Study designObservational study

02 / ContributionEmpirical and methodological evidence

03 / Interpretation

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Summary

Links weather exposure with wearable measurements of sleep, activity and heart rate in rural western Kenya.

Full text reviewed

The summary describes the published study and the sources listed below.

Scientific notes: 2026-11-11 · Research connections: 12 November 2026

Key findings

Wearables supported activity monitoring, while substantial heart-rate gaps and inconclusive sleep associations exposed priorities for improved study design.

Study design & setting

Study design and methods

Population, setting or evidence base

Siaya observational case study, September 2021–April 2022; 86 enrolled, 83 analyzed; each participated for 21 days; ages 6–83.

Methods

Descriptive monitoring plus adult regressions adjusted for age, sex and BMI.

Limits to interpretation

Limitations

Weather models used adults with ≥50% completeness; Repeated-subject trends not modeled; Device validation, missingness and multiplicity limit inference.

Research relevance

Supports feasibility learning, not causal heat-effect estimates.

People, places & projects