Table 5 The association of demographic and gynecologic/obstetrics factors with PMS, March-April 2013 (n = 173)

Marital status

6.365

0.173

Class year in university

7.370

0.118

Department

8.278

0.218

Residence

1.303

0.521

Chronic disease

.041

0.839

Past contraceptive use

.592

0.442

Age of first menstruation

1.501

0.682

Average length of one cycle of menstruation

3.824

.281

Number of days of bleeding per one cycle

13.102

.004*

Menstrual flow type

7.083

.069