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Table 3 Odd ratios of metabolic parameters from sleep duration and sleep patterns, by sex

From: Role of sleep duration and sleep-related problems in the metabolic syndrome among children and adolescents

  Boys Girls
  OR (95% CI) P value OR (95% CI) P value
Sleep Duration
 High waist circumference 1.79 (0.77–4.18) 0.175 1.54 (0.76–3.12) 0.226
 Low HDL 1.05 (0.80–1.39) 0.701 1.07 (0.84–1.36) 0.569
 High triglycerides 0.93 (0.68–1.26) 0.634 1.03 (0.80–1.32) 0.815
 High fasting blood glucose 0.71 (0.40–0.94) 0.031 1.26 (0.74–2.12) 0.392
 High systolic blood pressure 1.12 (0.81–1.56) 0.482 1.09 (0.78–1.53) 0.607
 High diastolic blood pressure 0.77 (0.51–1.16) 0.221 0.76 (0.54–1.09) 0.145
 Presence metabolic syndrome 0.86 (0.54–1.36) 0.513 0.77 (0.53–1.13) 0.181
Bedtime problems
 High waist circumference 0.62 (0.19–2.01) 0.433 0.53 (0.24–1.32) 0.175
 Low HDL 0.92 (0.65–1.30) 0.655 1.08 (0.80–1.44) 0.600
 High triglycerides 1.29 (0.94–1.76) 0.112 1.00 (0.74–1.34) 0.987
 High fasting blood glucose 0.76 (0.40–1.46) 0.424 1.51 (0.73–3.08) 0.259
 High systolic blood pressure 1.07 (0.70–1.65) 0.732 1.11 (0.73–1.69) 0.608
 High diastolic blood pressure 0.78 (0.48–1.26) 0.316 1.17 (0.75–1.82) 0.477
 Presence metabolic syndrome 0.72 (0.42–1.25) 0.253 1.46 (0.89–2.39) 0.129
Excessive day sleepiness
 High waist circumference 1.04 (0.39–2.79) 0.926 0.88 (0.43–1.76) 0.719
 Low HDL 1.36 (1.02–1.83) 0.036 0.99 (0.78–1.26) 0.977
 High triglycerides 0.88 (0.64–1.23) 0.482 1.28 (1.01–1.63) 0.045
 High fasting blood glucose 1.15 (0.63–2.10) 0.645 0.96 (0.55–1.65) 0.882
 High systolic blood pressure 1.21 (0.83–1.77) 0.317 1.27 (0.90–1.80) 0.172
 High diastolic blood pressure 1.00 (0.65–1.54) 0.979 1.24 (0.87–1.78) 0.229
 Presence metabolic syndrome 1.46 (0.86–2.47) 0.151 1.24 (0.84–1.82) 0.262
Awakenings during the night
 High waist circumference 0.82 (0.27–2.49) 0.732 1.81 (0.80–4.09) 0.149
 Low HDL 1.01 (0.70–1.44) 0.954 1.27 (0.94–1.72) 0.115
 High triglycerides 1.10 (0.73–1.66) 0.631 1.00 (0.74–1.36) 0.966
 High fasting blood glucose 1.89 (0.84–4.20) 0.119 0.77 (0.39–1.52) 0.465
 High systolic blood pressure 0.85 (0.55–1.32) 0.495 0.70 (0.46–1.07) 0.105
 High diastolic blood pressure 0.83 (0.50–1.38) 0.491 0.97 (0.62–1.52) 0.902
 Presence metabolic syndrome 1.34 (0.73–2.48) 0.337 0.97 (0.60–1.59) 0.927
Regularity and duration of sleep
 High waist circumference 0.47 (0.19–1.18) 0.111 0.55 (0.25–1.18) 0.126
 Low HDL 0.96 (0.71–1.29) 0.820 0.71 (0.55–0.91) 0.009
 High triglycerides 0.97 (0.69–1.35) 0.864 0.98 (0.76–1.26) 0.891
 High fasting blood glucose 0.65 (0.37–1.14) 0.135 1.01 (0.57–1.78) 0.972
 High systolic blood pressure 0.98 (0.68–1.41) 0.919 1.05 (0.73–1.51) 0.766
 High diastolic blood pressure 0.89 (0.58–1.36) 0.603 0.86 (0.60–1.25) 0.457
 Presence metabolic syndrome 0.87 (0.54–1.41) 0.579 1.07 (0.72–1.59) 0.719
  1. Reference group (Odds Ratio = 1.0): short-long duration sleep duration or non-sleep problem. Analysis adjusted by age, sexual maturity, body mass index (except for waist circumference), and cardiorespiratory fitness