Table 4.
Odds ratios (OR) and 95% confidence intervals (CI) of lifetime sexually transmitted diseases among young adults aged 18–22 years in 2005–2006
| Logistic regression model | College students OR (95% CI) |
Non-students OR (95% CI) |
||
|---|---|---|---|---|
| Crude | Adjusted3 | Crude | Adjustedc | |
| Age (vs 18–20 years) | ||||
| 21–22 years | 2.0 (1.47–2.81) | 2.1 (1.53–2.94) | 1.5 (1.18–1.92) | 1.6 (1.24–2.00) |
| Gender (vs male) | ||||
| Female | 5.5 (3.77–8.14) | 6.6 (4.39–9.87) | 3.9 (3.10–4.90) | 4.1 (3.15–5.22) |
| Race/ethnicity (vs White) | ||||
| African American | 2.4 (1.69–3.38) | 3.4 (2.29–5.11) | 1.9 (1.33–2.60) | 2.4 (1.73–3.40) |
| Hispanic | 1.4 (0.84–2.34) | 1.5 (0.90–2.50) | 0.7 (0.49–0.99) | 1.0 (0.70–1.48) |
| Othera | 1.0 (0.45–2.26) | 1.4 (0.60–3.20) | 1.6 (0.95–2.55) | 1.8 (1.09–2.97) |
| Family income (US$) (vs ≥ 75,000) | ||||
| 0–19,999 | 1.0 (0.63–1.65) | 0.9 (0.53–1.39) | 2.3 (1.28–4.16) | 1.7 (0.93–3.10) |
| 20,000–39,999 | 1.1 (0.66–1.89) | 0.8 (0.47–1.40) | 1.5 (0.86–2.64) | 1.3 (0.73–2.40) |
| 40,000–74,999 | 0.9 (0.64–1.34) | 0.9 (0.59–1.25) | 1.8 (0.91–3.44) | 1.6 (0.80–3.24) |
| Age at onset of alcohol use (vs no) | ||||
| ≤14 years | 7.8 (4.12–14.8) | 3.7 (1.68–8.17) | 5.6 (3.46–9.15) | 3.7 (2.16–6.49) |
| 15–17 years | 4.9 (2.43–9.78) | 3.1 (1.42–6.83) | 4.1 (2.36–7.01) | 2.9 (1.70–5.03) |
| ≥18 years | 4.1 (2.18–7.72) | 3.3 (1.64–6.47) | 3.0 (1.76–5.01) | 2.2 (1.32–3.85) |
| Age at onset of any drug use2 (vs no) | ||||
| ≤14 years | 5.7 (3.55–9.03) | 5.5 (2.65–11.49) | 3.2 (2.27–4.43) | 2.4 (1.60–3.64) |
| 15–17 years | 3.5 (2.49–5.03) | 3.6 (2.28–5.65) | 2.6 (1.78–3.66) | 2.0 (1.40–2.84) |
| ≥18 years | 2.5 (1.66–3.78) | 1.9 (1.21–3.11) | 1.7 (1.02–2.68) | 1.2 (0.74–1.97) |
| Past-year emergency department or inpatient treatment (vs no) | ||||
| Yes | 1.5 (1.10–2.14) | 1.1 (0.81–1.57) | 1.5 (1.10–1.91) | 1.0 (0.78–1.38) |
| History of substance abuse treatment (vs no) | ||||
| Yes | 1.9 (1.14–3.28) | 1.4 (0.78–2.62) | 1.5 (1.02–2.32) | 1.3 (0.85–1.89) |
a
Due to a small sample size of STDs among Asians, Pacific Islanders, American Indians, Alaska Natives and those reporting multiple race, these categories are combined into one group.
b
Age at first use of marijuana, inhalants, cocaine/crack, hallucinogens, heroin or first non-medical use of prescription pain relievers, sedatives, tranquilizers or stimulants.
c
The adjusted model included all variables listed in the first column.
Bold: P<0.05.