Table 1

Baseline characteristics of study participants (N = 400; 100 per center)


Center





Brazil
 Canada
 US
 UK
 Total
Characteristic
N
 %
 N
 %
 N
 %
 N
 %
 N
 %
Age group
 < 30
 20
 20.0
 8
 8.0
 9
 9.0
 4
 4.0
 41
 10.3

30–34
 37
 37.0
 36
 36.0
 28
 28.0
 16
 16.0
 117
 29.3

35–39
 32
 32.0
 30
 30.0
 25
 25.0
 38
 38.0
 125
 31.3

40+
 11
 11.0
 26
 26.0
 38
 38.0
 42
 42.0
 117
 29.3
Married/partnered
100
 100.0
 87
 87.0
 93
 93.0
 98
 98.0
 379
 94.5
Number of children
 0
 0
 0.0
 6
 6.0
 6
 6.0
 4
 4.0
 16
 4.0

1
 5
 5.0
 14
 14.0
 18
 18.0
 7
 7.0
 44
 11.0

2
 48
 48.0
 51
 51.0
 50
 50.0
 52
 52.0
 201
 50.3

3+
 47
 47.0
 29
 29.0
 26
 26.0
 37
 37.0
 139
 34.8
Prior condom use
 No
 47
 47.0
 41
 41.0
 52
 52.0
 44
 44.0
 184
 46.0

Yes
 53
 53.0
 59
 59.0
 48
 48.0
 56
 56.0
 216
 54.0

Barone et al. BMC Urology 2004 4:10   doi:10.1186/1471-2490-4-10