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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