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Table 1 Patient1 and control2 cohort, 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

 

Patient cohort

(N = 31 245)

Population cohort

(N = 31 275)

Relative risk/ mean quotient

p-value6

 

Range (), 99% CI []

Range (), 99% CI []

99% CI []

 

Demographic and social correlates

 Age. Mean (range)

39.3 (14–93)

40.0 (14–94)

0.98 [0.98–0.99]

-5

 Males. %

68.8 [68.1–69.4]

68.8 [68.1–69.4]

1.00 [0.99–1.01]

-5

 Low education level. %

57.7 [56.9–58.4]

24.5 [23.9–25.2]

2.35 [2.28–2.42]

 < 0.001

 Father’s education (low level). %

42.1 [41.3–42.8]

33.2 [32.4–34.0]

1.27 [1.23–1.30]

 < 0.001

 Living alone. %

47.5 [46.8–48.3]

20.9 [20.3–21.5]

2.27 [2.20–2.35]

 < 0.001

 Living with young children. %

7.0 [6.7–7.4]

17.7 [17.2–18.3]

0.40 [0.37–0.42]

 < 0.001

 Urban dwelling. %

44.7 [44.0–45.5]

38.4 [37.7–39.1]

1.16 [1.14–1.19]

 < 0.001

Economic correlates

 In paid work3. %

52.7 [51.9–53.4]

89.7 [89.2–90.1]

0.59 [0.58–0.60]

 < 0.001

 Total income. Three years’ mean. 1000 NOK

224 [222–226]

378 [373 -382]

0.59 [0.58–0.60]

 < 0.001

 Wealth. Three years’ mean. 1000 NOK

182 [170 -193]

606 [569–643]

0.30 [0.27–0.33]

 < 0.001

 Disability pension4. %

18.1 [17.6–18.7]

5.8 [5.5–6.1]

3.12 [2.92–3.34]

 < 0.001

 Financial assistance/supplementary benefit. %

44.5 [43.8–45.2]

3.9 [3.6–4.2]

11.38 [10.60–12.29]

 < 0.001

  1. 1 Substance use disorder patients with treatment admission 2009–2010. 2 Control cohort per 1 January 2010 with same age and gender distribution as the patient cohort. 3 Age group 18–66 years of age. 4 Granted to persons 18–66 years of age. 5 Matching variables. 6 With ten p-values less than 0.001, the probability of at least one significant result by chance will be less than 0.01