[Retracted] Multifactor Analysis and Intervention Study on Menstrual Disorders of Female Athletes in the Context of the Winter Olympic Games: A Case-Control Study Based on a Large Sample

Table 1

Single-factor analysis of menstrual disorders.

Related factors	Menstrual disorder group (n = 163)	Normal menstruation group (n = 218)	t/χ2
Age (years)	22.43 ± 3.21	22.91 ± 3.44	1.386	>0.05
Age of menarche (age)	13.25 ± 2.07	13.66 ± 2.13	1.881	>0.05
BMI (kg/m^2)	21.93 ± 2.75	22.14 ± 2.88	0.718	>0.05
Smoking history (n/%)			1.199	>0.05
Yes	4 (2.45)	10 (4.59)
None	159 (97.55)	208 (95.41)
Drinking history (n/%)			2.190	>0.05
Yes	7 (4.29)	55 (25.23)
None	156 (95.71)	163 (30.73)
Training years			0.683	>0.05
<1 Year	40 (24.54)	61 (27.98)
1∼3 Year	51 (31.29)	65 (29.81)
3∼8 Year	38 (23.31)	51 (23.39)
>8 Year	34 (20.86)	41 (18.81)
Sexual life history			0.059	>0.05
Yes	52 (31.90)	67 (30.734)
None	111 (68.10)	151 (69.27)
History of flow of people			0.003	>0.05
Yes	11 (6.75)	15 (6.88)
None	152 (93.25)	203 (93.12)
Family history of menstrual disorders			12.576	<0.01
Yes	75 (46.01)	140 (64.22)
None	88 (53.99)	78 (35.78)
Sleep quality			27.773	<0.01
Good	54 (33.13)	126 (57.80)
Poor	109 (66.87)	92 (42.20)
Dietary regularity			75.265	<0.01
Law	56 (34.36)	171 (78.44)
Irregular	107 (65.64)	47 (21.56)
Mental health status			102.331	<0.01
Good	83 (50.92)	208 (95.41)
Poor	80 (49.08)	10 (4.59)