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Table 3 Associations between sleep quality 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

  Sleep quality score p for trend
β (95 % CI) 2+ 1 0
BMI (kg/m2)
 age and sex adjusted 1.29 (0.40, 2.18) 1.10 (0.34, 1.85) ref 0.002
 multivariablea 1.19 (0.34, 2.04) 0.93 (0.30, 1.57) ref 0.002
 multivariableb 0.55 (−0.41, 1.51) 0.87 (0.24, 1.49) ref 0.05
Percent body fat
 age and sex adjusted 1.06 (0.29, 1.84) 0.84 (0.20, 1.48) ref 0.002
 multivariablea 1.18 (0.44, 1.93) 0.87 (0.22, 1.53) ref 0.0004
 multivariableb 0.82 (0.11, 1.53) 0.78 (−0.07, 1.63) ref 0.01
Waist circumference (cm)
 age and sex adjusted 3.37 (1.40, 5.33) 1.91 (0.19, 3.62) ref 0.0003
 multivariablea 2.82 (0.87, 4.77) 1.59 (0.06, 3.12) ref 0.001
 multivariableb 1.77 (−0.65, 4.19) 1.30 (−0.38, 2.99) ref 0.01
Android/Gynoid fat ratio
 age and sex adjusted 0.03 (0.00, 0.07) 0.01 (−0.01, 0.04) ref 0.02
 multivariablea 0.04 (0.00, 0.08) 0.02 (−0.01, 0.04) ref 0.01
 multivariableb 0.03 (0.00, 0.06) 0.01 (−0.03, 0.04) ref 0.03
  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 snoring and sleep duration