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

Nutrition Journal

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

	Categories of isoflavone intake				p for trend^a
	Q1 (Low)	Q2	Q3	Q4 (High)	p for trend^a
No. of subjects	269	269	269	269
No. with sufficient sleep	126	148	157	174
Model 1^b	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 2^e	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 3^f	1.00	1.30 (0.91, 1.84)	1.48 (1.03, 2.12)^d	1.78 (1.22, 2.60)^d	0.002

^aObtained by multiple logistic regression analysis
^bAdjusted for age, sex, and body mass index
^cAdjusted odds ratio (95 % CI) (all such values)
^dSignificantly different than category Q1, p < 0.05 (Bonferroni corrected)
^eFurther adjusted for intake of vitamins B12, C, and D; and coffee consumption
^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

ISSN: 1475-2891