Abstract To explore the effect of the indoor environment on blood pressure (BP) at home, individuals moving into newly constructed, well-insulated, and well-ventilated apartment buildings were targeted in this study. The BP of the participants was measured in February for two consecutive years before and after the participants moved. The analysis included 179 and 178 individuals with morning and evening BP measurements, respectively. No overall change in BP was observed before and after the participants moved. In the subgroup analysis, in the antihypertensive treatment group, the systolic and diastolic morning BP decreased by ~7 and 5 mmHg, respectively. In the hypertension and elderly participant groups, the systolic and diastolic BP decreased by ~4–6 mmHg and 2–4 mmHg, respectively. This reduction in BP correlated with the subjective temperature in the bedroom. These results demonstrate the impact of the indoor environment on BP control in apartments.
Nakagami et al. (2026) studied this question.