Table 2.
Characteristics Associated With Drug-Alcohol Interactions Among Older Adults in the U.S. (N=2975)
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|---|---|---|---|
| Characteristic | Prevalence | Unadjusted OR | Adjusted ORa |
| Age, y | |||
| 57–64 | 39.6 (33.7–45.5) | 1 [Reference] | 1 [Reference] |
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| 65–74 | 36.2 (31.5–40.9) | 1.11 (0.85–1.46) | 1.13 (0.86–1.48) |
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| 75–85 | 24.2 (19.5–28.9) | 1.09 (0.82–1.47) | 1.14 (0.85–1.52) |
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| Gender | |||
| Male | 58.8 (55.3–62.3) | 1 [Reference] | 1 [Reference] |
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| Women | 41.2 (37.7–44.7) | 0.60 (0.51–0.69)* | 0.59 (0.51–0.69)* |
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| Race/ethnicity | |||
| White, non-Hispanic | 87.3 (83.5–91.1) | 1 [Reference] | 1 [Reference] |
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| Black, non-Hispanic | 6.8 (4.2–9.5) | 0.58 (0.39–0.85)* | 0.59 (0.41–0.85)* |
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| Hispanic, any race | 4.6 (2.6–6.6) | 0.56 (0.33–0.96)* | 0.56 (0.33–0.96)* |
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| Other | 1.2 (0.2–2.2) | 0.38 (0.15–1.00) | 0.36 (0.14–0.95)* |
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| Income, $ | |||
| <25,000 | 14.2 (10.1–18.4) | 1 [Reference] | 1 [Reference] |
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| 25,000–50,000 | 41.6 (35.7–47.4) | 3.07 (2.22–4.23)* | 3.11 (2.25–4.32)* |
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| >50,000–74,999 | 12.5 (9.0–15.9) | 2.29 (1.44–3.64)* | 2.42 (1.53–3.83)* |
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| ≥75,000 | 31.7 (24.7–38.7) | 3.62 (2.40–5.45)* | 3.91 (2.56–5.99)* |
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| Education | |||
| <HS | 10.1 (7.1–13.2) | 1 [Reference] | 1 [Reference] |
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| HS graduate/GED | 21.5 (17.8–25.1) | 1.54 (1.09–2.18)* | 1.58 (1.12–2.22)* |
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| Some college/AA/Voc. | 34.7 (30.5–39.0) | 2.45 (1.81–3.32)* | 2.58 (1.90–3.50)* |
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| Bachelors/above | 33.7 (28.0–39.3) | 3.08 (2.19–4.34)* | 3.04 (2.20–4.20)* |
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| Self-Reported Health | |||
| Poor | 5.9 (3.3–8.5) | 1 [Reference] | 1 [Reference] |
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| Fair | 18.0 (14.4–21.7) | 1.19 (0.76–1.85) | 1.19 (0.77–1.84) |
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| Good | 31.5 (27.0–36.1) | 1.29 (0.81–2.05) | 1.33 (0.83–2.13) |
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| Very Good | 33.1 (27.9–38.2) | 1.20 (0.78–1.86) | 1.22 (0.79–1.86) |
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| Excellent | 11.5 (8.4–14.6) | 1.01 (0.57–1.73) | 1.03 (0.60–1.76) |
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| Insurance Coverage | |||
| None | 3.8 (2.1–5.5) | 0.68 (0.42–1.11) | 0.66 (0.41–1.06) |
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| Medicare | 60.4 (54.0–66.8) | 1.15 (0.89–1.48) | 1.24 (0.97–1.59) |
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| Medicaid | 4.0 (2.3–5.7) | 0.61 (0.39–0.96)* | 0.61 (0.40–0.94)* |
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| Private Insurance | 71.2 (65.8–76.6) | 1.71 (1.33–2.21)* | 1.73 (1.36–2.21)* |
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| VA | 7.7 (5.0–10.3) | 1.15 (0.82–1.62) | 0.94 (0.67–1.31) |
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| Other | 10.6 (6.9–14.2) | 0.82 (0.53–1.26) | 0.86 (0.56–1.31) |
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| Comorbidity Index | |||
| 0 | 19.3 (14.6–24.0) | 1 [Reference] | 1 [Reference] |
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| 1–4 | 73.1 (68.1–78.1) | 1.46 (1.08–1.97)* | 1.52 (1.14–2.04)* |
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| 5+ | 7.6 (5.2–9.9) | 1.63 (1.05–2.52)* | 1.62 (1.07–2.46)* |
Abbreviations: CI, confidence interval; OR, odds ratio;
Notes: Adjusted Model includes all variables in the table (age group, gender, race/ethnicity, household income, education, self-reported health, insurance coverage, comorbidity index);
*
Statistically significant difference (p<0.05) using chi-square test.