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Laboratory comparison of consumer-grade and research-established wearables for monitoring heart rate, body temperature, and physical acitivity in sub-Saharan Africa

Mendt et al. · 2025 · Frontiers in Physiology

DOI: 10.3389/fphys.2025.1491401 ↗

01 / Study designValidation
02 / ContributionMeasurement and field methods
03 / Interpretation

Feasibility and measurement performance are context-specific.

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Summary

Summary

Compares consumer-grade and established research devices under standardized conditions for field research in Africa.

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

Key findings

Device agreement depended on activity and outcome, demonstrating why field studies require measurement-specific validation.

Study design & setting

Study design and methods

Population, setting or evidence base

Berlin laboratory, September 2021: 22 healthy young adults recruited; 21 evaluable per comparison. Single rest/incremental treadmill session.

Methods

Paired comparisons against ECG, heat-flux temperature, accelerometry and calorimetry.

Limits to interpretation

Limitations

Young, fair-skinned sample; Treadmill movement differs from farming; Some reference measures were estimates rather than gold standards.

Research relevance

Research relevance

Supports cautious interpretation and device-specific quality assurance.

People, places & projects

Research connections

Labels identify published coauthors, study settings, planned protocol settings and wider methods or network connections.

Coauthors with research profiles

Sites & research settings

Projects & methods connections

Published sources & review scope

Sources

This page summarises the publication. Sources and editorial scope ↗

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