Table 3 Association between the frequency of PMDD among the participants and their demographics (Chi-square test)

Age

.9

18–25 years

5006 (34.9%)

9329 (65.1%)

25–30 years

1646 (36%)

2924 (64%)

30–35 years

1075 (34.5%)

2041 (65.5%)

BMI

.001*

Underweight

372 (34.1%)

719 (65.9%)

Normal

4363 (34%)

8460 (66%)

Over-weight

2121 (37.4%)

3555 (62.6%)

Obese

871 (35.8%)

1560 (64.2%)

Country

.000*

Egypt

4106 (40%)

6158 (60%)

Jordan

1620 (34.7%)

3045 (65.3%)

Syria

2001 (28.2%)

5091 (71.8%)

Education level

.24

Below College

874 (34.4%)

1664 (65.6%)

College degree

5827 (35%)

10,803 (65%)

above college degree

1026 (36%)

1827 (64%)

Marital status

.8

Single or separated

5859 (35%)

10,860 (65%)

married

1868 (35.2%)

3434 (64.8%)

Job

.000*

Medical Job

2271 (38.4%)

3646 (61.6%)

Office Job

484 (30.8%)

1089 (69.2%)

Service Job

578 (33.8%)

1132 (66.2%)

Business owner

83 (34.9%)

155 (65.1%)

Student

3087 (34.9%)

5746 (65.1%)

Never worked before

1224 (32.6%)

2526 (67.4%)

Number of work hours

Less than 20 h

1879 (35.4%)

3424 (64.6%)

.371

20–40 h

3004 (35.3%)

5509 (64.7%)

40–60 h

547 (35%)

1014 (65%)

More than 60

101 (28.5%)

253 (71.5%)

No current job

2196 (34.9%)

4094 (65.1%)

Number of Pregnancies**

.8

Zero

466 (35.1%)

862 (64.9%)

1

552 (35.9%)

985 (64.1%)

2

549 (35.1%)

1013 (64.9%)

Three or more

422 (35.9%)

754 (64.1%)

Number of births**

.19

Zero

598 (34.1%)

1158 (65.9%)

1

552 (35.7%)

995 (64.3%)

2

563 (36.7%)

970 (63.3%)

Three or more

266 (35.8%)

478 (64.2%)