Table 3.
Odds of first sexual experience by Wave IV among participants who were sexually inexperienced at age 18, by biological sex.
| Males (n = 1,172) | Females (n = 1,302) | |||||||
|---|---|---|---|---|---|---|---|---|
| Unadjusted | Adjusted | Unadjusted | Adjusted | |||||
| OR | 95% CI | aOR | 95% CI | OR | 95% CI | aOR | 95% CI | |
| Sociodemographic characteristics | ||||||||
| Race/ethnicity | ||||||||
| Non-Hispanic White (ref) | - | - | - | - | ||||
| Non-Hispanic Black | 0.76 | 0.53–1.07 | 0.84 | 0.59–1.19 | 1.04 | 0.79–1.38 | 1.20 | 0.88–1.65 |
| Non-Hispanic Asian | 0.72 | 0.49–1.06 † | 0.61 | 0.43–0.88** | 1.19 | 0.90–1.56 | 1.34 | 1.00–1.80† |
| Hispanic (any race) | 0.88 | 0.57–1.35 | 0.94 | 0.65–1.37 | 0.88 | 0.61–1.27 | 0.82 | 0.60–1.12 |
| Non-Hispanic other | 1.22 | 0.79–1.89 | 1.54 | 0.96–2.48 † | 0.65 | 0.38–1.11 | 0.63 | 0.39–1.02† |
| Parental education | ||||||||
| Less than high school | 0.91 | 0.63–1.32 | 1.31 | 0.86–2.00 | 1.19 | 0.93–1.53 | 1.81 | 1.24–2.64** |
| High school diploma/GED | 0.71 | 0.48–1.06 † | 0.82 | 0.61–0.10 | 1.05 | 0.81–1.38 | 1.40 | 1.10–1.78** |
| Some college | 0.92 | 0.71–1.20 | 1.03 | 0.84–1.26 | 1.03 | 0.74–1.45 | 1.10 | 0.84–1.44 |
| College graduate (ref) | - | - | - | - | ||||
| Biosocial characteristics | ||||||||
| Cognitive performance | ||||||||
| < 85 | 0.60 | 0.34–1.04 † | 0.85 | 0.54–1.34 | 0.60 | 0.35–1.05† | 0.65 | 0.44–0.95* |
| 85–99 | 0.88 | 0.64–1.21 | 1.00 | 0.76–1.31 | 0.90 | 0.72–1.12 | 0.97 | 0.76–1.23 |
| 100–114 (ref) | - | - | - | - | ||||
| > 114 | 1.13 | 0.89–1.42 | 1.09 | 0.85–1.39 | 0.89 | 0.69–1.14 | 0.95 | 0.74–1.22 |
| Has a physical disability | 0.66 | 0.31–1.38 | 0.68 | 0.37–1.26 | 0.71 | 0.41–1.25 | 0.77 | 0.39–1.50 |
| Pubertal timing | ||||||||
| Early | 1.00 | 0.81–1.23 | 0.86 | 0.68–1.08 | 0.99 | 0.75–1.30 | 1.06 | 0.84–1.33 |
| Typical (ref) | - | - | - | - | ||||
| Late | 0.62 | 0.42–0.09* | 0.67 | 0.51–0.87** | 0.92 | 0.72–1.19 | 0.87 | 0.67–1.13 |
| BMI | ||||||||
| Underweight | 0.66 | 0.43–1.03† | 0.78 | 0.51–1.18 | 0.73 | 0.48–1.12 | 1.05 | 0.72–1.52 |
| Healthy (ref) | - | - | - | - | ||||
| Overweight | 1.20 | 0.90–1.59 | 1.16 | 0.84–1.60 | 0.73 | 0.50–1.08 | 0.72 | 0.54–0.96* |
| Obese | 0.70 | 0.48–1.03† | 0.82 | 0.61–1.09 | 0.68 | 0.42–1.12 | 0.75 | 0.53–1.08 |
| Physical attractiveness | ||||||||
| Very unattractive | 1.30 | 0.83–2.04 | 0.95 | 0.45–2.03 | 1.23 | 0.70–2.19 | 1.39 | 0.81–2.39 |
| Unattractive | 0.65 | 0.45–0.96* | 0.65 | 0.45–0.95* | 0.87 | 0.45–1.69 | 0.91 | 0.54–1.52 |
| Average (ref) | - | - | - | - | ||||
| Attractive | 1.35 | 1.00–1.83† | 1.27 | 1.00–1.61† | 1.54 | 1.17–2.03** | 1.33 | 1.07–1.65* |
| Very attractive | 1.57 | 0.99–2.46† | 1.46 | 1.01–2.12* | 1.94 | 1.29–2.91** | 1.80 | 1.23–2.62** |
| Behavioral characteristics | ||||||||
| Religious service attendance (at least weekly) | 1.10 | 0.82–1.48 | 0.91 | 0.73–1.13 | 0.72 | 0.54–0.97** | 0.78 | 0.61–0.99* |
| Cigarette use (past 30 days) | 1.15 | 0.83–1.59 | 0.92 | 0.65–1.31 | 1.74 | 1.18–2.55** | 1.39 | 0.98–1.98 † |
| Alcohol use (past 12 mo) | 1.57 | 1.23–2.01*** | 1.24 | 0.95–1.61 | 1.49 | 1.06–2.08* | 1.26 | 0.97–1.62 † |
| Binge drinking (past 12 mo) | 1.54 | 1.16–2.06** | 1.10 | 0.77–1.56 | 1.30 | 0.72–2.36 | 0.98 | 0.61–1.59 |
| Marijuana use (past 30 days) | 1.35 | 0.94–1.93 | 1.16 | 0.75–1.80 | 1.59 | 0.60–4.20 | 1.26 | 0.51–3.11 |
| Sexual non-attraction (ever) | 0.43 | 0.27–0.68*** | 0.51 | 0.38–0.69*** | 0.48 | 0.31–0.75*** | 0.57 | 0.42–0.77*** |
| Multivariable model statistics | F(37, 92) = 5.31, p < .001 | F(37, 92) = 4.15, p < .001 | ||||||
Note: All models include duration (age) effects.
CI = confidence interval; OR = odds ratio; aOR = adjusted odds ratio; ref = referent category
†
p < .10;
*
p < .05;
**
p < .01;
***
p < .001