title: BMI is an independent risk factor for snoring in Chinese women aged over 30 years.
abstract: OBJECTIVE
  The study was designed to analyze body mass index (BMI) as one of risk factors for snoring in Chinese women.
  
  
  METHODS
  Totally, 2,938 women (2,423 available for evaluation of menstrual status) aged over 30 years from a population-based epidemiologic study were enrolled.
  
  
  CONCLUSIONS
  For those with regular menstrual status, BMI was the main risk factor with OR 3.906 (BMI >or=25 kg/m(2)) and 8.467 (BMI >or=30 kg/m(2)), respectively, compared with those of BMI 20-25 kg/m(2) (p < 0.001). For postmenopausal women, BMI was also indicated as a risk factor with OR 2.041 (BMI >or=25 kg/m(2)) and 2.884 (BMI >or=30 kg/m(2)) compared with those of BMI 20-25 kg/m(2) (p < 0.01). As for different BMI, menopause was the only risk factor for women with BMI < 20 kg/m(2) (OR = 10.568, p < 0.05). Whereas for those with BMI between 20 and 25 kg/m(2), the risk factors included post-menopause, family history, drinking, etc.
  
  
  CONCLUSIONS
  In conclusion, the prevalence of snoring was correlated with BMI independent of menstrual status, and lower BMI is a protective factor against snoring in premenopausal women.
authors.affiliation: Department of Respiratory Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.
authors.forename: Qing-Yun
authors.initials: QY
authors.lastname: Li
authors.forename: Shao-Guang
authors.initials: SG
authors.lastname: Huang
authors.forename: Min
authors.initials: M
authors.lastname: Li
authors.forename: Jia-Lin
authors.initials: JL
authors.lastname: Liu
authors.forename: Huan-Ying
authors.initials: HY
authors.lastname: Wan
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D044466:Asian People / Q000706:statistics & numerical data*; D015992:Body Mass Index; D002391:Catchment Area, Health; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008875:Middle Aged; D009765:Obesity / Q000453:epidemiology*; D017698:Postmenopause; D015995:Prevalence; D012307:Risk Factors; D020181:Sleep Apnea, Obstructive / Q000453:epidemiology; D012913:Snoring / Q000453:epidemiology*; D011795:Surveys and Questionnaires