Sample description and estimated occurrence of a recent drug purchase opportunity, in relation to respondent characteristics: data from US National Household Survey on Drug Abuse, NHSDA 1998
| Number | Estimated†% | Odds ratio | 95% CI | p Value | |
|---|---|---|---|---|---|
| *Any extra-medical or illegal drug use in past year including marijuana, cocaine and crack, hallucinogens, heroin, and inhalants. †Estimated prevalence (%), after sample weighting and post-stratification adjustment. Estimated OR = odds ratio from contingency table analysis, no statistical adjustment for covariates. | |||||
| Sex | |||||
| Female | 14239 | 4.1 | 1.0 | ||
| Male | 11261 | 8.2 | 2.1 | (1.8 to 2.4) | <0.001 |
| Age | |||||
| 18 or older | 18722 | 5.3 | 1.0 | ||
| 12–17 years | 6778 | 13.7 | 2.8 | (2.4 to 3.3) | <0.001 |
| Race | |||||
| White, non-Hispanic | 11709 | 5.2 | 1.0 | ||
| Black, non-Hispanic | 5815 | 9.4 | 1.9 | (1.5 to 2.3) | <0.001 |
| Hispanic | 6795 | 9.3 | 1.9 | (1.6 to 2.2) | <0.001 |
| Other, non-Hispanic | 1181 | 4.1 | 0.8 | (0.5 to 1.1) | 0.20 |
| Education | |||||
| >12th grade | 7783 | 4.1 | 1.0 | ||
| High school or less | 10939 | 7.7 | 1.9 | (1.6 to 2.4) | <0.001 |
| Census division | |||||
| North East and Mid Atlantic | 3121 | 5.4 | 1.0 | ||
| North Central | 3680 | 5.9 | 1.1 | (0.8 to 1.6) | 0.57 |
| South Atlantic | 3959 | 6.4 | 1.2 | (0.8 to 1.7) | 0.30 |
| South Central | 4545 | 6.4 | 1.2 | (0.9 to 1.7) | 0.28 |
| Mountain | 4779 | 5.2 | 1.0 | (0.6 to 1.4) | 0.85 |
| Pacific | 5416 | 6.7 | 1.3 | (0.9 to 1.7) | 0.14 |
| Urbanicity | |||||
| Rural | 3579 | 4.5 | 1.0 | ||
| Urban | 21930 | 6.5 | 1.5 | (1.2 to 1.8) | <0.001 |
| Past year drug use* | |||||
| No | 22109 | 3.4 | 1.0 | ||
| Yes | 2797 | 28.5 | 11.3 | (9.7 to 13.3) | <0.001 |
| Quartile of neighbourhood disadvantage as rated by others living in the same area segment as the respondent | |||||
| Least disadvantaged | 6314 | 4.2 | 1.0 | ||
| Quartile 2 | 6315 | 6.1 | 1.5 | (1.2 to 1.8) | <0.001 |
| Quartile 3 | 6315 | 7.4 | 1.8 | (1.5 to 2.2) | <0.001 |
| Most disadvantaged | 6315 | 10.3 | 2.6 | (2.1 to 3.3) | <0.001 |