Table 2 Characteristics Associated With HIV Testing Among Students Who Had Sexual Intercourse, National YRBS 2005–2011
Students, No. (n = 28177) | cOR (95% CI) | aOR (95% CI) | |
|---|---|---|---|
Sex of the subject | |||
Male | 14463 | Referent | See Interaction |
Female | 13614 | 1.72 (1.59–1.86) | See Interaction |
Grade of the subject | |||
9th grade | 4749 | Referent | See Interaction |
10th grade | 6147 | 1.10 (0.96–1.26) | See Interaction |
11th grade | 7944 | 1.19 (1.04–1.36) | See Interaction |
12th grade | 9154 | 1.39 (1.22–1.58) | See Interaction |
Race and ethnicity | |||
White | 10684 | Referent | See Interaction |
Black or African American | 6834 | 1.67 (1.45–1.92) | See Interaction |
Hispanic | 8106 | 1.00 (0.90–1.12) | See Interaction |
Other | 2085 | 1.17 (1.01–1.36) | See Interaction |
Use of condom at last sexual intercourse | |||
Yes | 17614 | Referent | See Interaction |
No | 9919 | 1.63 (1.51–1.76) | See Interaction |
Four or more sexual partners in life | |||
No | 18771 | Referent | See Interaction |
Yes | 9116 | 2.59 (2.40–2.79) | See Interaction |
First sexual intercourse before 13 | |||
No | 24077 | Referent | See Interaction |
Yes | 3966 | 1.67 (1.51–1.85) | See Interaction |
Ever forced to have sexual intercourse | |||
No | 24156 | Referent | See Interaction |
Yes | 3856 | 2.24 (2.03–2.47) | See Interaction |
Lifetime illegal injection drug use | |||
No | 26630 | Referent | Referent |
Yes | 930 | 2.51 (2.07–3.04) | 1.68 (1.26–2.25) |
2-way interactions | |||
Race and Number of sexual partner in life | |||
White | |||
Less than 4 sexual partners in life | 7750 | Referent | Referent |
4 or more sexual partners in life | 2883 | 2.86 (2.55–3.20) | 2.50 (2.21–2.82) |
Black or African American | |||
Less than 4 sexual partners in life | 3769 | Referent | Referent |
4 or more sexual partners in life | 2968 | 1.80 (1.58–2.05) | 1.73 (1.48–2.02) |
Hispanic | |||
Less than 4 sexual partners in life | 5612 | Referent | Referent |
4 or more sexual partners in life | 2395 | 2.20 (1.86–2.61) | 1.99 (1.66–2.39) |
Other | |||
Less than 4 sexual partners in life | 1354 | Referent | Referent |
4 or more sexual partners in life | 699 | 2.95 (2.27–3.83) | 2.72 (2.06–3.58) |
Sex and Age at first sexual intercourse | |||
Male | |||
First sexual intercourse at 13 or later | 11465 | Referent | Referent |
First sexual intercourse before 13 | 2918 | 2.26 (1.97–2.60) | 1.42 (1.21–1.66) |
Female | |||
First sexual intercourse at 13 or later | 12531 | Referent | Referent |
First sexual intercourse before 13 | 1033 | 1.49 (1.27–1.75) | 0.99 (0.83–1.18) |
Sex and Use of condom at last sexual intercourse | |||
Male | |||
Use of condom at last sexual intercourse | 9890 | Referent | Referent |
No use of condom at last sexual intercourse | 4178 | 1.24 (1.10–1.40) | 1.07 (0.93–1.22) |
Female | |||
Use of condom at last sexual intercourse | 7673 | Referent | Referent |
No use of condom at last sexual intercourse | 5701 | 1.76 (1.57–1.97) | 1.48 (1.32–1.65) |
Grade and Ever forced sexual intercourse | |||
9th | |||
No forced sexual intercourse | 3970 | Referent | Referent |
Ever forced sexual intercourse | 748 | 2.14 (1.66–2.77) | 1.35 (1.05–1.72) |
10th | |||
No forced sexual intercourse | 5227 | Referent | Referent |
Ever forced sexual intercourse | 881 | 2.21 (1.78–2.73) | 1.60 (1.28–2.00) |
11th | |||
No forced sexual intercourse | 6847 | Referent | Referent |
Ever forced sexual intercourse | 1059 | 2.77 (2.29–3.35) | 1.93 (1.57–2.37) |
12th | |||
No forced sexual intercourse | 7974 | Referent | Referent |
Ever forced sexual intercourse | 1126 | 1.93 (1.61–2.31) | 1.24 (1.02–1.50) |