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Table 2 Associations between snoring and measurements of body size and composition, NHANES 2005–2006

From: Relationship between sleep characteristics and measures of body size and composition in a nationally-representative sample

  Snoring frequency, nights/week p for trend
β (95 % CI) 5+ 3–4 1–2 Never
BMI (kg/m2)
 age and sex adjusted 4.59 (3.52, 5.67) 3.02 (2.29, 3.75) 1.85 (0.85, 2.86) ref <.0001
 multivariablea 4.56 (3.56, 5.55) 2.80 (2.01, 3.60) 1.85 (0.88, 2.83) ref <.0001
 multivariableb 4.45 (3.44, 5.46) 2.70 (1.89, 3.51) 1.90 (0.95, 2.84) ref <.0001
Percent body fat
 age and sex adjusted 3.47 (2.47, 4.48) 2.51 (1.82, 3.21) 1.49 (0.64, 2.34) ref <.0001
 multivariablea 3.57 (2.69, 4.45) 2.46 (1.83, 3.10) 1.61 (0.84, 2.38) ref <.0001
 multivariableb 3.48 (2.59, 4.36) 2.38 (1.73, 3.03) 1.65 (0.88, 2.41) ref <.0001
Waist circumference (cm)
 age and sex adjusted 10.56 (8.20, 12.91) 7.71 (5.77, 9.65) 4.65 (2.29, 7.00) ref <.0001
 multivariablea 10.29 (8.09, 12.48) 7.18 (5.14, 9.23) 4.52 (2.29, 6.75) ref <.0001
 multivariableb 10.04 (7.84, 12.25) 6.92 (4.86, 8.99) 4.59 (2.40, 6.77) ref <.0001
Android/Gynoid fat ratio
 age and sex adjusted 0.10 (0.07, 0.14) 0.09 (0.07, 0.12) 0.03 (0.01, 0.05) ref <.0001
 multivariablea 0.10 (0.07, 0.13) 0.09 (0.07, 0.12) 0.03 (0.01, 0.06) ref <.0001
 multivariableb 0.10 (0.07, 0.13) 0.09 (0.07, 0.12) 0.03 (0.01, 0.06) ref <.0001
  1. aadjusted for age, sex, race/ethnicity, smoking status, alcohol drinking, education, intakes of fat, carbohydrate and total calories, physical activity and diabetes
  2. badjusted for covariates in aas well as sleep duration and sleep quality index