Illicit substance use disorder2 (N = 17 331) | Licit substance use disorder2 (N = 13 914) | Relative risk/ Mean quotient | p-value6 | |
---|---|---|---|---|
Range (), 99% CI [] | Range (), 99% CI [ | 99% CI [] | ||
Demographic and social correlates | ||||
Age. Mean (range) | 33.4 (15–93) | 46.6 (14–88) | 0.72 [0.71–0.72] | < 0.001 |
Males. % | 69.6 [68.7–70.5] | 67.6 [66.6–68.7] | 1.03 [1.01–1.05] | < 0.001 |
Low education level. % | ||||
Unadjusted | 70.4 [69.5–71.3] | 41.9 [40.8–43.0] | 1.68 [1.63–1.73] | < 0.001 |
Adjusted3 | 65.4 [64.2–66.6] | 49.2 [48.0–50.4] | 1.33 [1.29–1.36] | < 0.001 |
Father’s education (low level). % | ||||
Unadjusted | 40.6 [39.6–41.6] | 44.0 [42.8–45.2] | 0.92 [0.89–0.96] | < 0.001 |
Adjusted3 | 43.0 [41.8–44.2] | 40.8 [39.5–42.2] | 1.05 [1.01–1.10] | < 0.001 |
Living alone. % | ||||
Unadjusted | 48.8 [47.8–49.5] | 46.0 [44.9–47.1] | 1.06 [1.03–1.09] | < 0.001 |
Adjusted3 | 52.8 [51.6–54.0] | 43.7 [42.5–44.9] | 1.21 [1.17–1.25] | < 0.001 |
Living with young children. % | ||||
Unadjusted | 7.6 [7.1–8.1] | 6.3 [5.7–6.8] | 1.21 [1.09–1.36] | < 0.001 |
Adjusted3 | 6.2 [5.8–6.7] | 8.4 [7.6–9.1] | 0.74 [0.66–0.83] | < 0.001 |
Urban dwelling. % | ||||
Unadjusted | 46.1 [45.1–47.1] | 43.0 [41.9–44.1] | 1.07 [1.04–1.11] | < 0.001 |
Adjusted3 | 47.3 [46.1–48.5] | 42.9 [41.2–44.1] | 1.10 [1.06–1.15] | < 0.001 |
Economic correlates | ||||
In paid work4. % | ||||
Unadjusted | 45.6 [44.7–46.6] | 61.7 [60.6–62.8] | 0.74 [0.72–0.76] | < 0.001 |
Adjusted3 | 41.2 [40.0–42.3] | 64.7 [63.5–66.0] | 0.64 [0.62–0.66] | < 0.001 |
Total income. Three years’ mean. 1000 NOK | ||||
Unadjusted | 175 [174 -176] | 285 [282 -289] | 0.61 [0.60–0.62] | < 0.001 |
Adjusted3 | 192 [188 -196] | 256 [254 -259] | 0.75 [0.73–0.77] | < 0.001 |
Wealth. Three years’ mean. 1000 NOK | ||||
Unadjusted | 71 [59 -83] | 320 [299 -340] | 0.22 [0.18–0.26] | < 0.001 |
Adjusted3 | 114 [93 -136] | 232 [216 -7] | 0.49 [0.40–0.59] | < 0.001 |
Disability pension5. % | ||||
Unadjusted | 14.6 [13.9–15.3] | 22.7 [21.8–23.7] | 0.64 [0.60–0.68] | < 0.001 |
Adjusted3 | 24.8 [23.8–25.8] | 15.2 [14.6–15.9] | 1.63 [1.53–1.73] | < 0.001 |
Financial assistance/supplementary benefit. % | ||||
Unadjusted | 58.8 [57.9–59.8] | 26.6 [25.7–27.6] | 2.21 [2.12–2.30] | < 0.001 |
Adjusted3 | 57.3 [56.1–58.4] | 30.7 [29.5–31.9] | 1.87 [1.79–1.95] | < 0.001 |