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Table 3 Adjusted relationship between daily intake of isoflavone and sleep quality

From: Relationship between daily isoflavone intake and sleep in Japanese adults: a cross-sectional study

  Categories of isoflavone intake p for trenda
Q1 (Low) Q2 Q3 Q4 (High)
No. of subjects 269 269 269 269  
No. with sufficient sleep 126 148 157 174  
 Model 1b 1.00 1.33 (0.94, 1.87)c 1.52 (1.07, 2.14)d 1.91 (1.34, 2.72)d <0.001
 Model 2e 1.00 1.31 (0.93, 1.86) 1.49 (1.05, 2.12)d 1.85 (1.28, 2.67)d 0.001
 Model 3f 1.00 1.30 (0.91, 1.84) 1.48 (1.03, 2.12)d 1.78 (1.22, 2.60)d 0.002
  1. aObtained by multiple logistic regression analysis
  2. bAdjusted for age, sex, and body mass index
  3. cAdjusted odds ratio (95 % CI) (all such values)
  4. dSignificantly different than category Q1, p < 0.05 (Bonferroni corrected)
  5. eFurther adjusted for intake of vitamins B12, C, and D; and coffee consumption
  6. fFurther adjusted for smoking, drinking habits, physical activity, depressive symptoms, metabolic syndrome, high-sensitivity C-reactive protein level, education level, occupation, and hypnotic drug use