Table 4.
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) |
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.
Age at first use of marijuana, inhalants, cocaine/crack, hallucinogens, heroin or first non-medical use of prescription pain relievers, sedatives, tranquilizers or stimulants.
The adjusted model included all variables listed in the first column.
Bold: P<0.05.