Snoring is the primary symptom of sleep-disordered breathing and is associated with cardiovascular and metabolic morbidity(Young T,AJRCM 2002). The prevalence of habitual snoring, in a large cohort of 30-60 year old adults, has been reported to be 19% in males and 9% in females(Jennum P, J Sleep Res 1992). However, the effect of atopy on gender predisposition of snoring is not known(Young T,AJRCM 2002). The objective of this study was thus to determine the prevalence of snoring in a community based cohort of young adult females with atopy, and to identify risk factors for habitual snoring in this group.
Mothers of all children (n=710) participating in the Cincinnati Childhood Allergy and Air Pollution Study (CCAAPS) were recruited for this study. A questionnaire survey of their snoring frequency as well as cigarette smoking was obtained. Atopic status was determined by a skin prick test to a panel of 15 aeroallergens (ALK America, Round Rock, Texas). Subjects with habitual snoring (defined as snoring ≥ 3 times per week) were compared to those who either did not snore or snored <3 times per week using chi-square test.
Data were available in 515 of the 710 females whose children were participating in CCAAPS study. The mean age of our cohort at the time of assessment for snoring was 29.8 years (S.D. 5.7). Of the 515 females, 257 (49.9%) never snored, 176(34.2%) snored at least one night per week, and 105 (20.4%) snored habitually. There was a significant association between habitual snoring and (1) positive cigarette smoking (34% vs. 18.2%) (p=0.001), (2) being African American (29.1% vs. 18.5%) (p=0.02).
We report a high prevalence of habitual snoring in young adult females with atopy. Cigarette smoking and being African American are risk factors for habitual snoring in this group.
Atopic adult females are at increased risk for sleep-disordered breathing. This high risk group should be targeted for screening to reduce morbidity from untreated sleep-disordered breathing.
Maninder Kalra, University grant monies Dr.M Kalra is supported by CReFF grant, Cincinnati Children’s General Clinical Research Center; Grant monies (from sources other than industry); This study was funded by NIEHS, grant # R01 ES 11170-01.