Silverforsen D, Theorell-Haglöw J, Ljunggren M, Middelveld R, Wang J, Franklin K, Norbäck D, Lundbäck B, Forsberg B, Lindberg E, Janson C. Snoring and environmental exposure: results from the Swedish GA2LEN study.
BMJ Open 2021;
11:e044911. [PMID:
34108162 PMCID:
PMC8191604 DOI:
10.1136/bmjopen-2020-044911]
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Abstract
OBJECTIVE
Habitual snoring is associated with fatigue, headaches and low work performance. This cross-sectional study aimed to investigate if snoring is affected by environmental factors such as home dampness and exposure to air pollution.
SETTING
General population sample from four Swedish cities.
PARTICIPANTS
25 848 participants from the Swedish part of the epidemiological Global Asthma and Allergy and European network of excellence study carried out in 2008. The participants completed a postal questionnaire on snoring and, indoor and outdoor environmental exposure as well as potential confounders including smoking, weight, height and educational level.
RESULTS
Of the participants, 4211 (16.3%) were habitual snorers. Habitual snorers reported water damage (8.3% vs 7.0% p<0.0001), floor dampness (4.6% vs 3.8% % p<0.0001) and visible mould (5.2% vs 3.8% p<0.0001) in their homes more often than non-snorers. Habitual snorers stated being annoyed by air pollution more often than non-snorers with habitual snorers reporting being irritated with the air in their residential area to a higher extent (sometimes 16.2% vs 13.9%, and daily 4.6% vs 3.1%) as well as annoyance from traffic fumes (somewhat 19% vs 18.5% and very 5% vs 3.6%) (p<0.0001). These results remained significant after adjustment for age, body mass index, smoking history and educational level.
CONCLUSION
Snoring is more prevalent in subjects reporting home dampness and air pollution. These association should be confirmed in further research using objective measurements and a longitudinal approach.
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