[Retracted] Influence of Melatonin Treatment on Emotion, Sleep, and Life Quality in Perimenopausal Women: A Clinical Study

Table 1

Demographic characteristics of included participants.

Demographic characteristics	Study group (n = 47)	Control group (n = 44)	value
	mean ± SD	mean ± SD
Age (year)	49.47 ± 2.91	49.57 ± 2.93	0.87
Duration of perimenopausal state	2.49 ± 1.14	2.52 ± 1.17	0.90
BMI (kg/m^2)	22.09 ± 1.70	21.86 ± 1.75	0.53
History of alcohol (Y/N)	6/42	4/40	0.74
History of smoking (Y/N)	3/44	4/41	0.71