Composite dietary antioxidant index and sleep health: a new insight from cross-sectional study

BMC Public Health

Table 2 Weighted logistic regression analyses of CDAI with three sleep-related outcomes

Variables	Model 1		Model 2		Model 3
Variables	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P
OSA
CDAI	0.99(0.97,1.00)	0.063	0.98(0.97,1.00)	0.018	0.98(0.95,1.00)	0.041
CDAI
Q1	Reference		Reference		Reference
Q2	0.87(0.72,1.06)	0.170	0.84(0.68,1.03)	0.091	0.81(0.63,1.05)	0.101
Q3	0.85(0.69,1.04)	0.113	0.79(0.64,0.98)	0.033	0.74(0.54,1.01)	0.058
Q4	0.81(0.66,0.98)	0.042	0.75(0.60,0.94)	0.014	0.69(0.49,0.97)	0.035
P for trend		0.041		0.012		0.029
Per 1-SD increase	0.94(0.89,1.00)	0.063	0.92(0.87,0.98)	0.018	0.92(0.80,0.99)	0.041
Day sleepiness
CDAI	0.98(0.95,1.01)	0.111	0.98(0.95,1.00)	0.078	0.97(0.94,0.99)	0.027
CDAI
Q1	Reference		Reference		Reference
Q2	0.75(0.57,0.97)	0.028	0.78(0.60,1.01)	0.060	0.75(0.54,1.03)	0.070
Q3	0.83(0.64,1.08)	0.163	0.86(0.66,1.13)	0.274	0.81(0.59,1.12)	0.164
Q4	0.71(0.51,0.98)	0.038	0.72(0.52,0.98)	0.036	0.64(0.44,0.94)	0.029
P for trend		0.075		0.068		0.034
Per 1-SD increase	0.91(0.82,1.02)	0.111	0.91(0.82,1.01)	0.078	0.88(0.79,0.98)	0.027
Insufficient Sleep
CDAI	0.96(0.94,0.97)	< 0.001	0.96(0.94,0.98)	< 0.001	0.96(0.93,0.99)	0.013
CDAI
Q1	Reference		Reference		Reference
Q2	0.91(0.77,1.09)	0.292	0.92(0.77,1.10)	0.330	0.95(0.75,1.20)	0.609
Q3	0.78(0.65,0.95)	0.013	0.79(0.66,0.96)	0.020	0.82(0.64,1.07)	0.121
Q4	0.62(0.51,0.76)	< 0.001	0.64(0.52,0.79)	< 0.001	0.68(0.50,0.92)	0.021
P for trend		< 0.001		< 0.001		0.014
Per 1-SD increase	0.83(0.77,0.90)	< 0.001	0.84(0.78,0.92)	< 0.001	0.85(0.76,0.96)	0.013

Model 1: None
Model 2: Age, gender, race, marital status;
Model 3: Age, gender, race, marital status, education, PIR, BMI, smoke, alcohol status, CVD, hypertension, diabetes status, energy intakes, caffeine, carbohydrate, fat, protein, and fiber
Abbreviations: OSA, Obstructive sleep apnea; CDAI, composite dietary antioxidant index; PIR, poverty income ratio; BMI, body mass index; CVD, cardiovascular disease; OR, odds ratio; CI, confidence interval; Q, quartile; SD, standard deviation

ISSN: 1471-2458