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Table 2 Multivariable-adjusted odds ratio and 95% confidence interval for the association of sleep duration with underweight and overweight/obesity

From: Association of sleep duration and sleep quality with overweight/obesity among adolescents of Bangladesh: a multilevel analysis

  Underweight Overweight/obesity
Model 1a Model 2b Model 1a Model 2b
Total sleep duration (hours/day)
  ≥8 1.00 (reference) 1.00 (reference) 1.00 (reference) 1.00 (reference)
   7 to <8 0.75 (0.51-1.13) 0.76 (0.50-1.15) 1.11 (0.77-1.59) 1.10 (0.76-1.60)
  <7 0.33 (0.20-0.53) 0.33 (0.20-0.54) 1.71 (1.21-2.42) 1.73 (1.21-2.47)
  P trend <0.001 <0.001 0.002 0.003
Weekday sleep duration (hours/day)
  ≥8 1.00 (reference) 1.00 (reference) 1.00 (reference) 1.00 (reference)
  7 to <8 0.77 (0.49-1.21) 0.77 (0.49-1.21) 1.19 (0.79-1.80) 1.17 (0.77-1.78)
  <7 0.54 (0.35-0.82) 0.55 (0.35-0.84) 1.43 (0.98-2.09) 1.43 (0.98-2.11)
  P trend 0.004 0.006 0.056 0.058
Weekend sleep duration (hours/day)
  ≥8 1.00 (reference) 1.00 (reference) 1.00 (reference) 1.00 (reference)
  7 to <8 0.79 (0.50-1.23) 0.79 (0.50-1.25) 1.42 (0.99-2.02) 1.36 (0.95-1.96)
  <7 0.53 (0.32-0.89) 0.53 (0.31-0.89) 1.48 (1.03-2.12) 1.46 (1.00-2.12)
  P trend 0.01 0.02 0.018 0.029
Night sleep duration (hours/day)
  ≥8 1.00 (reference) 1.00 (reference) 1.00 (reference) 1.00 (reference)
  7 to <8 0.88 (0.57-1.38) 0.90 (0.58-1.42) 1.24 (0.82-1.88) 1.21 (0.80-1.85)
  <7 0.56 (0.36-0.85) 0.56 (0.36-0.87) 1.56 (1.06-2.26) 1.55 (1.06-2.28)
  P trend 0.006 0.008 0.019 0.020
Daytime nap duration (minutes/day)
  >45 1.00 (reference) 1.00 (reference) 1.00 (reference) 1.00 (reference)
  ≤ 45 0.61 (0.38-0.97) 0.57 (0.35-0.93) 1.30 (0.86-1.97) 1.41 (0.93-2.15)
  0 0.56 (0.38-0.84) 0.56 (0.37-0.85) 1.45 (1.01-2.08) 1.52 (1.05-2.19)
  P trend 0.007 0.010 0.047 0.034
Difference between weekday and weekend sleep duration (hours)
  -4 to <0 1.03 (0.62-1.72) 1.04 (0.62-1.74) 1.46 (0.98-2.18) 1.46 (0.97-2.18)
  >0 to 1 1.00 (reference) 1.00 (reference) 1.00 (reference) 1.00 (reference)
  >1 to 2 1.24 (0.74-2.07) 1.25 (0.74-2.10) 1.01 (0.66-1.54) 1.06 (0.69-1.63)
  >2 to 3 1.19 (0.64-2.21) 1.19 (0.63-2.23) 1.00 (0.60-1.66) 1.05 (0.63-0.87)
  >3 t0 8 1.60 (0.84-3.04) 1.57 (0.81-3.02) 0.62 (0.33-1.15) 0.60 (0.32- 1.14)
  1. aModel 1 adjusted for age (year, continuous) and sex (boys or girls)
  2. bModel 2 variables adjusted in model 1 + number of household members (continuous), soft drink consumption (less than once/week, once/week, ≥2 times/week), fast food consumption (less than once/week, once/week, ≥2 times/week), general physical activity (<30 min/day, 30-59 min/day, ≥60 min/day), sitting activities (<5 h a day, ≥ 5 h a day), and exposure to passive smoking (0 days, 1-2 days, 3-4 days, ≥5 days)