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Table 1 Cohort (n = 291) descriptions and bivariate comparisons of baseline characteristics in participants with AUD alone compared to those with poly-SUDs at baseline, living and deceased participants at the 19 year follow-up study, and deceased with AUD alone to deceased with poly-SUDs at baseline

From: Mortality, cause of death and risk factors in patients with alcohol use disorder alone or poly-substance use disorders: a 19-year prospective cohort study

Baseline characteristics

Total

(n = 291)

AUD alone (n = 130)

Poly-SUDs (n = 161)

p a

Living

(n = 189)

Deceased total cohort

(n = 102)

p b

Deceased AUD only

(n = 66)

Deceased poly-SUDs

(n = 36)

p c

Demographics

 Sex, male

n (%)

208 (72)

101 (78)

107 (67)

0.035d

126 (67)

82 (80)

0.013d

57 (86)

25 (69)

0.040d

 Age, years at baseline

mean (SD)

38.3 (11.4)

45.8 (9.86)

32.3 (8.67)

< 0.001e

35.1 (10.2)

44.3 (11.1)

< 0.001e

48.6 (9.4)

36.5 (9.8)

< 0.001e

 Married or cohabitant (n = 288)

n (%)

98 (34)

55 (42)

43 (27)

0.007d

61 (33)

37 (37)

0.493d

25 (38)

12 (34)

0.721d

 Upper secondary school (n = 285)

n (%)

139 (48)

75 (59)

64 (41)

0.003d

86 (47)

53 (52)

0.421d

36 (55)

17 (47)

0.479d

 Fulltime ordinary work (n = 287)

n (%)

61 (21)

39 (30)

22 (14)

0.001d

42 (23)

19 (19)

0.456d

16 (24)

3 (9)

0.055d

Mental health Diagnoses CIDI lifetime

 Affective disorder (n = 287)

n (%)

182 (63)

75 (58)

107 (68)

0.067d

129 (70)

53 (52)

0.003d

27 (41)

26 (72)

0.002d

 Anxiety disorder (n = 283)

n (%)

233 (82)

97 (76)

136 (88)

0.009d

154 (84)

79 (80)

0.412d

48 (73)

31 (94)

0.013d

 Number of psychiatric symptom disorders (not SUD)

mean (SD)

3.6 (2.6)

3.2 (2.5)

3.9 (2.6)

0.029e

3.7 (2.6)

3.3 (2.6)

0.201e

2.8 (2.5)

4.2 (2.5)

0.012e

Personality disorder MCMI-II

 No personality disorder (n = 264)

n (%)

74 (28)

44 (36)

30 (21)

0.006d

47 (27)

27 (30)

0.608d

21 (36)

6 (19)

0.110d

 Number of personality disorders (n = 264)

mean (SD)

2.7 (2.7)

2.4 (2.9)

3.0 (2.6)

0.107e

2.7 (2.7)

2.7 (2.8)

0.992e

2.6 (2.9)

3.0 (2.7)

0.471 e

Substance use disorders

 Number of SUDs

mean (SD)

2.5 (2.0)

1.00 (0)

3.6 (2.0)

f

2.7 (2.0)

2.1 (1.8)

0.011e

1.00 (0)

4.0 (2.0)

f

 Onset SUD before 18 years

n (%)

133 (46)

24 (18.5)

109 (68)

< 0.001d

97 (51)

36 (35)

0.009d

13 (20)

23 (64)

< 0.001d

 Age onset SUD

mean (SD)

22.6 (10.7)

28.9 (11.4)

17.6 (6.7)

< 0.001e

20.8 (9.1)

26.0 (12.8)

< 0.001e

29.8 (12.02)

19.1 (10.14)

< 0.001e

 AUD alone (vs. poly-SUDs)

n (%)

130 (45)

f

f

f

64 (34)

66 (65)

< 0.001d

f

f

f

  1. ap-value baseline characteristics in participants with AUD alone compared to those with poly-SUDs at baseline
  2. bp-value living compared to deceased participants at the 19 year follow-up study
  3. cp-value deceased with only AUD at baseline compared to deceased with poly-SUDs at baseline
  4. dχ2-test
  5. eIndependent samples t test
  6. fNot relevant