| Summary: | Introduction
This study evaluates the association between passive smoking,
specifically secondhand smoke (SHS) and thirdhand smoke (THS) exposure,
and sleep quality in a hypertensive population.
Methods
We enrolled 1427 eligible hypertensive patients from a 2022 national
survey cross-sectional in China. Data on tobacco smoke exposure and sleep were
collected via questionnaires. Multiple logistic regression and linear regression
were employed to assess the relationship between passive smoking and sleep
quality characteristics, as well as the correlation between passive smoking
exposure characteristics and sleep quality.
Results
Among 589 hypertensive patients with no tobacco smoke exposure, 679
exposed to SHS, and 159 exposed to THS, SHS exposure was associated with a
higher risk of poor sleep quality, even after adjusting for potential confounding
factors (β=0.10; 95% CI: 0.32–0.95). No significant relationship was observed
between THS exposure and sleep quality. SHS exposure was associated with
various sleep quality characteristics, including shorter sleep duration (AOR=1.71;
95% CI: 1.06–2.76) and increased frequency of 1–2 sleep disturbances per week
(AOR=1.68; 95% CI: 1.25–2.26). Individuals exposed to SHS were more likely to
experience poorer subjective sleep quality (AOR=1.53; 95% CI: 1.07–2.21) and
have sleep efficiency <65% (AOR=1.82; 95% CI: 1.22–2.71). Exposure to passive
smoking at home, in the community, in public places, exposure to passive smoking
with family and friends, and increased frequency of exposure, were all associated
with a higher risk of poor sleep quality.
Conclusions
Our study suggests that SHS exposure in hypertensive populations
is associated with poor sleep quality and various characteristics of sleep quality.
No significant association was found between THS exposure and sleep quality.
These findings underscore the need to enhance tobacco control efforts in China,
particularly for individuals with chronic diseases, to safeguard public health.
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