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Exercise, Occupational Activity, and Risk of Sleep Apnea: A Cross-Sectional Study.


ABSTRACT:

Study objectives

To investigate whether structured exercise and occupational activity are associated with obstructive sleep apnea (OSA) severity.

Methods

The International Physical Activity Questionnaire was answered by 5,453 individuals who underwent full-night polysomnography. Participants were classified as exercisers or non-exercisers and also as occupationally active or non-active. The apnea-hypopnea index (AHI), minimum oxygen saturation (SaO2min), and time with saturation below 90% (TB90%) during polysomnography were used as indicators of OSA severity.

Results

The sample included mostly men (59%), non-exercisers (56%), and occupationally non-active individuals (75%). Mean age (± standard deviation) was 44 ± 14 years, and mean body mass index was 29.9 ± 7.3 kg/m2. Non-exercisers had higher AHI (median 14, 25-75% interquartile range 4-34) than exercisers (8 [2-24]), lower SaO2min (83 ± 9 vs. 86 ± 8%), and longer TB90% (2 [0-18] vs. 0 [0-7] minutes), with p < 0.001 for all comparisons. AHI was higher in active (16 [6-34]) vs. non-active occupations (10 [3-27]; p < 0.001). Multinomial logistic regression with control for age, sex, overweight, obesity, and occupational activity showed that structured exercise was significantly associated with a 23% lower odds ratio for moderate OSA and 34% lower odds ratio for severe OSA. Active occupation was not associated with OSA.

Conclusions

Structured physical exercise is associated with lower odds for OSA, independently of confounders. Occupational activity does not seem to replace the effects of regular exercise. Compensatory behaviors may be involved in these diverging outcomes. Our results warrant further research about the effect of occupational activity on OSA severity.

SUBMITTER: da Silva RP 

PROVIDER: S-EPMC5263075 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Publications

Exercise, Occupational Activity, and Risk of Sleep Apnea: A Cross-Sectional Study.

da Silva Roberto P RP   Martinez Denis D   Pedroso Martina M MM   Righi Camila G CG   Martins Emerson F EF   Silva Leticia M T LM   Lenz Maria do Carmo S MD   Fiori Cintia Z CZ  

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine 20170215 2


<h4>Study objectives</h4>To investigate whether structured exercise and occupational activity are associated with obstructive sleep apnea (OSA) severity.<h4>Methods</h4>The International Physical Activity Questionnaire was answered by 5,453 individuals who underwent full-night polysomnography. Participants were classified as exercisers or non-exercisers and also as occupationally active or non-active. The apnea-hypopnea index (AHI), minimum oxygen saturation (SaO<sub>2</sub>min), and time with s  ...[more]

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