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Table 2 Odds ratios (with 95% CIs) of metabolic syndrome on the basis of sleep characteristics

From: Sleep characteristic profiles and the correlation with spectrum of metabolic syndrome among older adult: a cross-sectional study

  Model 1 Model 2
OR (95%CI)a P OR (95%CI)b P
PSQI
  PSQI ≤ 5 Reference   Reference  
  PSQI > 5 0.92(0.72,1.17) 0.482 0.87(0.66,1.16) 0.341
Subjective sleep quality
  Very good Reference   Reference  
  General 0.89(0.70,1.15) 0.387 0.90(0.68,1.19) 0.443
  Bad 0.90(0.62,1.30) 0.581 0.85(0.56,1.31) 0.471
  Very bad 1.51(0.73,3.13) 0.271 1.05(0.46,2.41) 0.905
Sleep efficiency
  ≥ 85% Reference   Reference  
  75% ~ 84% 1.16(0.88,1.53) 0.301 1.24(0.90,1.70) 0.191
  < 75% 0.84(0.64,1.11) 0.224 0.91(0.66,1.26) 0.575
Sleep latency
  ≤ 15 min Reference   Reference  
  16-30 min 1.01(0.79,1.29) 0.954 1.05(0.79,1.39 0.743
  31-60 min 0.75(0.50,1.12) 0.166 0.72(0.46,1.14) 0.164
  > 60 min 1.39(0.94,2.05) 0.097 1.32(0.84,2.08) 0.225
Sleep duration
  6-8 h Reference   Reference  
  < 6 h 1.02(0.72,1.43) 0.92 0.98(0.66,1.45) 0.927
  > 8 h 1.11(0.80,1.55) 0.533 1.31(0.90,1.91) 0.155
Sleep disturbances
  None Reference   Reference  
  Mild 0.84(0.65,1.09) 0.191 0.85(0.63,1.13) 0.261
  Moderate-severe 0.81(0.49,1.36) 0.180 0.61(0.34,1.12) 0.112
Sleep drug
  Not use Reference   Reference  
  Use 1.06(0.66,1.69) 0.821 1.04(0.61,1.78) 0.888
Daytime dysfunction
  None Reference   Reference  
  Yes 1.10(0.87,1.38) 0.438 1.01(0.77,1.33) 0.951
Bed time
  21:00 ~ 22:00 Reference   Reference  
  < 21:00 1.07(0.85,1.34) 0.583 1.16(0.88,1.51) 0.289
  > 22:00 1.32(0.73,2.39) 0.356 1.05(0.54,2.05) 0.893
Rise time
  5:00 ~ 6:00 Reference   Reference  
  < 5:00 0.91(0.66,1.26) 0.571 0.86(0.60,1.24) 0.421
  > 6:00 1.46(1.00,2.12) 0.048 1.77(1.17,2.69) 0.007
  1. PSQI the Pittsburgh Sleep Quality Index
  2. OR Odds ratios
  3. CI confidence interval
  4. aUnadjusted
  5. bAdjusted for age, sex, BMI, smoking status, alcohol use status, physical activity and depression