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Table 1 Characteristics of study participants in the dropout subsample (N = 147), with data presented as n (%) or mean (± standard deviation)

From: Effects of a brief pre-admission telephone reminder on no-show and dropout rates in substance use disorder treatment: a quasi-experimental study

Characteristics

Non-intervention

n = 66

Intervention

n = 81

p a

Age, years

36 (± 14)

36 (± 11)

0.844

Sex, female

16 (24)

19 (24)

0.911

Education, years

11.1 (± 2.8)

12.0 (± 2.4)

0.035

Living alone or unstable living conditions

38 (58)

48 (59)

0.837

Welfare benefits or no income

51 (77)

59 (73)

0.720

Substance use disorder diagnosis

 Alcohol use disorder

25 (38)

38 (47)

0.271

 Drug use disorder

41 (62)

43 (53)

Substance use severity b

3.8 (± 1.0)

3.7 (± 0.9)

0.633

Mental distress c

2.18 (± 0.78)

2.09 (± 0.70)

0.436

  1. a P values from Student’s t-test for continuous variables and the Chi-square test for binomial variables
  2. b SYRAAP severity sub-scale, range 1–5
  3. c Hopkins Symptom Checklist 10, range 1–4; clinical cut-off, 1.85