Table 1.
Prevalence of unprotected sex based on 1 vs. 2 questions
| First Vaginal Sex Occasion | |||||||||
| Total N=135 |
PHIV+ N=88 |
PHIV− N=47 |
Boys N=73 |
Girls N=62 |
Latino N=51a |
African- American N=64a |
Younger than 19 N=71 |
19 or older N=64 |
|
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Report unprotected sex based on first question onlyb | 16 (12) | 10 (11) | 6 (13) | 8 (11) | 8 (13) | 6 (12) | 8 (13) | 8 (11) | 8 (13) |
| Report unprotected sex based on follow-up question only | 15 (11) | 7 (8) | 8 (17) | 9 (12) | 6 (10) | 6 (12) | 4 (6) | 7 (10) | 8 (13) |
| Report at least partially unprotected sex based on both questionsb | 31 (23) | 17 (19) | 14 (30) | 17 (23) | 14 (23) | 12 (24) | 12 (19) | 15 (21) | 16 (25) |
| Most Recent Vaginal Sex Occasion | |||||||||
| Total N=125 |
PHIV+ N=82 |
PHIV− N=43 |
Boys N=67 |
Girls N=58 |
Latino N=46 |
African- American N=59 |
Younger than 19 N=65 |
19 or older N=60 |
|
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Report unprotected sex based on first question onlyb | 21 (17) | 11 (13) | 10 (23) | 6 (9) | 15 (26) | 9 (20) | 7 (12) | 9 (14) | 12 (20) |
| Report unprotected sex based on follow-up question only | 16 (13) | 10 (12) | 6 (14) | 6 (9) | 10 (17) | 9 (20) | 4 (7) | 8 (12) | 8 (13) |
| Report at least partially unprotected sex based on both questionsb | 37 (30) | 21 (26) | 16 (37) | 12 (18) | 25 (43) | 18 (39) | 11 (19) | 17 (26) | 20 (33) |
a
18 mixed (African-American & Latino) and 2 "other" race/ethnicity youth excluded from these results.
b
Example from boys’ version / first vaginal sex occasion: First question = "Did you wear a condom the first time you had vaginal sex?" Follow-up question = "The first time you had vaginal sex, did you ever have your penis in the girl's vagina when you were NOT wearing a condom?"