Table 1 Subjects in partly overlapping subgroups according to age, parity, gender and contraception status.

All participants

107

42.4(11.8)

21-63

6.3(1.7)

Males

45

39.2(12.0)

22-63

6.0(1.9)

Females

62

44.7(11.2)

21-61

6.5(1.6)

Younger* males

29

31.6(6.3)

22-42

6.3(2.0)

Younger females

27

33.8(7.0)

21-43

6.1(1.5)

Older** males

16

52.9(5.9)

44-63

5.4(1.5)

Older females

35

53.0(4.7)

44-61

6.7(1.6)

Parous women

34

46.7(8.4)

28-60

6.7(1.4)

Nulliparous womean

23

40.0(14.3)

21-61

6.2(1.7)

Women using oral contraception

10

33.5(9.5)

21-53

6.0(1.8)

Women not using oral contraception

33

48.0(10.3)

24-60

6.7(1.4)