Key result
Daily maximum outdoor temperature was negatively associated with systolic (-0.38 mmHg/°C; P<0.001) and diastolic (-0.18 mmHg/°C; P<0.001) blood pressure, contributing minimally to regional variations.
Why the study?
Does environmental temperature and humidity affect blood pressure in adults?
Observational (n=10,331)
Yes
Does environmental temperature and humidity affect blood pressure in adults?
Effect estimate: -0.38 mmHg/degrees C
p-value: p=<0.001
Geographic differences in outdoor temperature contribute minimally (up to 2 mmHg systolic and 1 mmHg diastolic) to regional blood pressure variations in Britain.
Authors
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Minimal temperature-BP associations should not change practice; leaves open other environmental contributors to regional variations.
Bruce et al. (1991) conducted an observational in blood pressure variations (n=10,331). Environmental temperature and humidity was evaluated on systolic blood pressure (-0.38 mmHg/degrees C, p=<0.001). Daily maximum outdoor temperature was negatively associated with systolic (-0.38 mmHg/°C; P<0.001) and diastolic (-0.18 mmHg/°C; P<0.001) blood pressure, contributing minimally to regional variations.
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