Table 3.

SEM usage

Characteristic	Mean (SD or range), % (N)
Range age of first SEM use	6–17 years
Use of SEM around FSSSE
Yes	81 % (38)
No	19 % (9)
Type of SEM
Gay only	42 % (16)
Straight only	34 % (13)
Gay and straight	11 % (4)
Straight then gay	13 % (5)
Source of SEM
Internet	79 % (30)
DVD	10.5 % (4)
Television	5 % (2)
Magazines	2.6 % (1)
Webcams	2.6 % (1)
Repeat SEM use at 4 month follow-up interview
Yes	76.4 % (29)
No	23.6 % (9)
Frequency of SEM use at 4 month follow-up interview
1–5 times	20.7 % (6)
6–10 times	20.7 % (6)
11–20 times	0%
21–30 times	17.2 % (5)
More than 30 times	41.4 % (12)
Type of repeat SEM
Gay only	48.3 % (14)
Straight only	6.9 % (2)
Gay and straight	44.8 % (13)