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Table 2 Patients1 with illicit and licit substance use disorders, by socio-demographic correlates

From: Patients admitted to treatment for substance use disorder in Norway: a population-based case–control study of socio-demographic correlates and comparative analyses across substance use disorders

 

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

  1. 1 Substance use disorder patients with treatment admission 2009–2010. 2 Licit SUD includes alcohol use disorder and sedatives/hypnotics disorder, while illicit includes opioid, cannabis, and stimulant disorders, as well as disorders including several or other drugs. 3 Adjusted to the gender and age distribution among all patients in the study. 4 Age group 18–66 years of age. 5 Granted to persons 18–66 years of age. 6 With eleven p-values less than 0.001, the probability of at least one significant result by chance will be less than 0.01