Table 4.
Relative risk ratios from multinomial logistic regressions using latent risk profiles to predict contraceptive method used in last intercourse, with ‘condom only’ as the reference category. Sexually active female high school students, ages 13–18, National YRBS 2011–15
| White | Hispanic | Black | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| None | Withdraw. | Presc. Contrac. | Condom & Presc. Contrac. | None | Withdraw. | Presc. Contrac. | Condom & Presc. Contrac. | None | Withdraw. | Presc. Contrac. | Condom & Presc. Contrac. | |
| NON-SEXUAL RISK PROFILE (Ref: Abstainers, no marijuana use) | ||||||||||||
| Experimenters, low hard-drug use | 1.32 [0.26] | 0.98 [0.20] | 1.70*** [0.23] | 0.93 [0.14] | ||||||||
| High substance use and violence | 2.36*** [0.55] | 2.43*** [0.57] | 1.93*** [0.34] | 0.75 [0.13] | ||||||||
| NON-SEXUAL RISK PROFILE (Ref: Abstainers) | ||||||||||||
| Experimenters, moderate hard- drug use | 1.23 [0.21] | 1.09 [0.25] | 0.96 [0.19] | 1.28 [0.34] | ||||||||
| High substance use and violence | 2.05** [0.53] | 1.50 [0.46] | 1.41 [0.45] | 1.00 [0.53] | ||||||||
| NON-SEXUAL RISK PROFILE (Ref: Abstainers, moderate violence) | ||||||||||||
| Experimenters, high marijuana use and violence | 1.82** [0.40] | 1.76 [0.50] | 1.27 [0.28] | 1.13 [0.32] | ||||||||
| AGE (Ref: 15 or younger) | ||||||||||||
| 16 | 0.87 [0.19] | 1.11 [0.30] | 1.62* [0.33] | 1.47 [0.30] | 1.2 [0.27] | 1.33 [0.43] | 1.08 [0.34] | 2.31* [0.97] | 1.43 [0.37] | 1.2 [0.58] | 3.15** [1.27] | 2.42 [1.16] |
| 17 | 0.96 [0.22] | 1.04 [0.24] | 2.15*** [0.43] | 1.53* [0.31] | 1.08 [0.24] | 1.57 [0.44] | 1.66* [0.41] | 1.93 [0.80] | 1.17 [0.40] | 1.9 [0.86] | 3.37** [1.39] | 2.89** [1.13] |
| 18 or older | 1.01 [0.24] | 0.93 [0.25] | 2.90*** [0.58] | 1.81** [0.41] | 1.19 [0.26] | 1.26 [0.42] | 1.25 [0.34] | 1.82 [0.85] | 1.69 [0.52] | 1.51 [0.71] | 3.98*** [1.56] | 3.24* [1.57] |
| SEXUAL BEHAVIOR | ||||||||||||
| Had intercourse before age 13 | 2.52** [0.83] | 1.45 [0.63] | 1.28 [0.47] | 1.92 [0.82] | 2.30* [0.84] | 1.83 [0.80] | 1.89 [0.69] | 2.94** [1.20] | 0.79 [0.28] | 0.78 [0.32] | 1.85 [0.70] | 1.74 [0.84] |
| Has had 4 or more sex partners | 1.92*** [0.30] | 1.29 [0.24] | 2.08*** [0.29] | 0.94 [0.15] | 1.32 [0.22] | 1.49 [0.35] | 1.78** [0.38] | 0.95 [0.36] | 1.56* [0.30] | 1.09 [0.31] | 1.47 [0.33] | 0.85 [0.25] |
Notes:
*
p<0.05,
**
p<0.01,
***
p<0.001.
Standard errors not shown. Models are estimated separately by race and ethnicity. Sexually active women are defined as those who had sexual intercourse in the past 3 months. Contraceptive use corresponds to last sexual intercourse in the past 3 months. Relative risk ratios for survey year are not shown to preserve space.