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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Contemp Clin Trials. 2013 Jun 29;36(1):135–146. doi: 10.1016/j.cct.2013.06.019

Table 2.

Sexual behavior patterns of study participants at baseline, overall and by condition (N = 1010)

Total sample General survey, General DVD General survey, Sexual DVD Sexual survey, General DVD Sexual survey, Sexual DVD
n M (SD) M (SD) M (SD) M (SD) M (SD)
Sexual partners, past 3 months 1009 2.7 (2.0) 2.7 (2.0) 2.6 (1.7) 2.6 (1.9) 2.8 (2.4)
Unprotected sex (no. episodes), past 3 months 998 16.4 (19.8) 15.6 (19.6) 15.9 (19.0) 17.3 (19.6) 16.8 (21.0)
Unprotected sex with steady partnera (no. episodes), past 3 months 790 18.0 (21.4) 17.0 (22.0) 17.7 (20.7) 18.8 (20.6) 18.7 (22.3)
Unprotected sex with casual partnersb (no. episodes), past 3 months 732 3.0 (3.7) 3.0 (3.5) 2.9 (3.6) 2.8 (3.4) 3.5 (4.2)
Unprotected sex (proportion episodes), past 3 months (0-1) 998 .70 (.32) .68 (.31) .69 (.32) .73 (.31) .69 (.34)
Unprotected sex with steady partnera (proportion episodes), past 3 months (0-1) 790 .77 (.32) .75 (.33) .77 (.32) .81 (.29) .76 (.34)
Unprotected sex with casual partnersb (proportion episodes), past 3 months (0-1) 732 .53 (.40) .53 (.39) .51 (.41) .53 (.40) .54 (.41)
n (%) n (%) n (%) n (%) n (%)
Had a steady partner, past 3 months 796 (79%) 203 (80%) 202 (80%) 200 (80%) 191 (76%)
Had casual partners, past 3 months 769 (77%) 200 (79%) 191 (75%) 194 (78%) 184 (74%)
Had concurrent partners, past 3 months 478 (47%) 126 (50%) 120 (47%) 124 (49%) 108 (43%)

Note. Outliers > 3X the interquartile range (IQR) from the 75th percentile truncated to 3X IQR from the 75th percentile + 1. M = mean.

a

only for those (n = 796) reporting a steady partner

b

only for those (n = 769) reporting a casual partner