TABLE 4.
Adjusted Associations Between Exposures and Having More Than 1 Lifetime Partner and Not Using a Condom at Last Sexual Intercourse: Aboriginal Adolescent Health Survey, British Columbia, 2003
| Exposure Variable | AORa (95% CI) | P |
| Young women | ||
| Ever had sexual intercourse (n = 1131) | ||
| Increasing age (years) | 1.68b (1.49, 1.89) | < .001 |
| Higher lifetime substance use | 4.02 (2.62, 6.16) | < .001 |
| Ever lived on a reserve | 1.59 (1.05, 2.42) | .029 |
| Higher school connectedness (range, 1–5) | 0.74b (0.56, 0.97) | .030 |
| Had more than 1 sex partner (n = 351) | ||
| Increasing age (years) | 1.24b (1.02, 1.52) | .030 |
| Higher lifetime substance use | 6.12 (3.54, 10.59) | < .001 |
| Ever been sexually abused or forced to have sexual intercourse | 1.95 (1.11, 3.44) | .021 |
| Learned about culture from school | 0.48 (0.24, 0.95) | .035 |
| Learned about culture from community | 2.14 (1.17, 3.93) | .014 |
| Helped in community, past year | 0.32 (0.17, 0.63) | .001 |
| Condom nonuse at last act of sexual intercourse (n = 378) | ||
| Increasing age (years) | 1.51b (1.10, 2.07) | .011 |
| Ever lived on a reserve | 7.80 (3.25, 18.73) | < .001 |
| Higher family connectedness (range, 1–3) | 0.43b (0.19, 0.99) | .048 |
| Learned about culture from family | 0.37 (0.16, 0.86) | .021 |
| Contraceptive use | 101.34 (30.05, 341.73) | < .001 |
| Young men | ||
| Ever had sexual intercourse (n = 858) | ||
| Increasing age (years) | 1.51b (1.35, 1.69) | < .001 |
| Higher lifetime substance use | 9.98 (6.13, 16.24) | < .001 |
| Ever lived on a reserve | 1.88 (1.19, 2.99) | .007 |
| Had more than 1 sex partner (n = 297) | ||
| Increasing age (years) | 1.09b (0.92, 1.28) | .324 |
| Higher lifetime substance use | 2.22 (1.24, 3.97) | .007 |
| Condom nonuse at last act of sexual intercourse (n = 334) | ||
| Increasing age (years) | 0.97b (0.75, 1.27) | .849 |
| Higher family connectedness (range, 1–3) | 0.48b (0.26, 0.91) | .023 |
| Used noncondom contraception at last act of sexual intercourse | 39.66 (16.48, 95.46) | < .001 |
| Ever been sexually abused or forced to have sexual intercourse | 4.52 (1.69, 12.09) | .003 |
Note. AOR = adjusted odds ratio; CI = confidence interval. Analyses are based on weighted data and are adjusted for survey design.
a
Adjusted for all other variables in the model.
b
AOR should be interpreted as increase in odds of outcome for every unit increase in exposure score.