Table 1 Characteristics of women with premenstrual disorders (PMDs) in relation to use of antidepressants and hormonal contraceptives

Women, N^a

23,013

10,858

23,025

17,863

Follow-up periods, N

134,530

21,605

107,709

48,426

Person-years

122,114

16,832

108,110

30,836

Mean [SD]

Mean [SD]

Mean [SD]

Mean [SD]

Age at follow-up

36.9 [7.6]

33.5 [8.3]

35.7 [8.0]

38.0 [7.1]

Duration of use, days

342.0 [479.0]

219.7 [292.3]

379.6 [514.7]

203.6 [265.9]

N (%)

N (%)

N (%)

N (%)

Country of birth

Sweden

117,301 (87.2)

19,161 (88.7)

94,253 (87.5)

42,209 (87.2)

Others

17,229 (12.8)

2444 (11.3)

13,456 (12.5)

6217 (12.8)

Year of birth

1960–1964

30,428 (22.6)

2676 (12.4)

21,147 (19.6)

11,957 (24.7)

1965–1969

36,798 (27.4)

4382 (20.3)

27,181 (25.2)

13,999 (28.9)

1970–1974

29,799 (22.2)

4778 (22.1)

23,832 (22.1)

10,745 (22.2)

1975–1979

17,787 (13.2)

3663 (17.0)

15,436 (14.3)

6014 (12.4)

1980–1984

11,351 (8.4)

3048 (14.1)

10,906 (10.1)

3493 (7.2)

1985–1990

6892 (5.1)

2429 (11.2)

7470 (6.9)

1851 (3.8)

Educational level

Primary

17,718 (13.2)

3329 (15.4)

14,871 (13.8)

6176 (12.8)

High school

65,112 (48.4)

9734 (45.1)

51,067 (47.4)

23,779 (49.1)

College and beyond

43,454 (32.3)

5728 (26.5)

32,969 (30.6)

16,213 (33.5)

Unknown

8246 (6.1)

2814 (13.0)

8802 (8.2)

2258 (4.7)

Region of residency

South

23,401 (17.4)

4077 (18.9)

19,244 (17.9)

8234 (17.0)

Middle

77,359 (57.5)

11,898 (55.1)

61,100 (56.7)

28,157 (58.1)

North

24,341 (18.1)

3807 (17.6)

19,256 (17.9)

8892 (18.4)

Unknown

9429 (7.0)

1823 (8.4)

8109 (7.5)

3143 (6.5)

PYs (%)

PYs (%)

PYs (%)

PYs (%)

Psychiatric comorbidities

No

108,580 (88.9)

14,960 (88.9)

98,526 (91.1)

25,014 (81.1)

Yes

13,534 (11.1)

1872 (11.1)

9584 (8.9)

5822 (18.9)