Menstrual characteristics, disorders and associated risk factors among female international students in Zhejiang Province, China: a cross-sectional survey

Table 4 Relationship between high stress level and menstrual disorders (n = 201)

Menstrual Disorders	Grade				P-Value	Odds Ratio	OR95%CI
	High stress		Low stress
	Number	%	Number	%
	Number	%	Number	%			LOWER	UPPER
Irregular	30	100.0	19	100.0	.892	.946	.425	2.105
Menstrual Length
<21 days	35	44.30	17	50	.605	1.276	.506	3.218
>35 days	44	55.70	17	50	.453	.713	.295	1.724
Duration of flow
<3 days	26	48.15	10	40	.118	.440	.157	1.233
>8 days	28	51.85	15	60	.871	.931	.390	2.220
Amount of flow
Little	38	40.43	22	52.38	.156	1.976	.770	5.070
Heavy	56	59.57	20	47.62	.986	.992	.411	2.393
Dysmenorrhea	90	100.0	37	100.0	.037	.172	.033	.896
PMS	136	100.0	65	100.0	.069	.940	.880	1.005

ISSN: 1472-6874