[Retracted] Sleep Status and Menstrual Problems among Chinese Young Females

Table 3

Logistic regression analysis of dysmenorrhea and sleep status.

		SE	Wald	OR (95% CI)	value
Bedtime	0.322	0.089	13.22	1.38 (1.16, 1.64)	<0.001
Bedtime regularity	0.288	0.153	3.53	1.33 (0.99, 1.80)	0.060
Sleep duration	0.021	0.062	0.112	1.02 (0.91, 1.15)	0.738
Sleep quality	0.556	0.111	25.23	1.74 (1.40, 2.17)	<0.001

: regression coefficients; SE: standard error; Wald: Chi-square value; OR: odds ratio; CI: confidence interval.