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

Table 4

Logistic regression analysis of menstrual cycle and sleep status.

		SE	Wald	OR (95% CI)	value
Bedtime	0.002	0.074	0.001	1.00 (0.87, 1.16)	0.975
Bedtime regularity	-0.102	0.140	0.553	0.90 (0.69, 1.19)	0.465
Sleep duration	-0.072	0.055	1.702	0.93 (0.84, 1.04)	0.192
Sleep quality	0.081	0.099	0.665	1.08 (0.89, 1.32)	0.415

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