Carolien Zeetsen

51 CHAPTER Validating the MoCA in addiction health care 3 Table 3.3. Continued. Total NCD no–NCD p –value ( n = 82) ( n = 45) ( n = 37) Marital Status (%) .028* single 26 (31.7) 12 (26.7) 14 (37.8) with partner/married 34 (41.5) 15 (33.3) 19 (51.4) separated/divorced 20 (24.4) 16 (35.6) 4 (10.8) widowed 2 (2.4) 2 (4.4) 0 (0.0) Inclusion based on (%) .179 indication 59 (72.0) 35 (77.8) 24 (64.9) selection 17 (20.7) 6 (13.3) 11 (29.7) both 6 (7.3) 4 (8.9) 2 (5.4) Primary problem substance (%) .864 alcohol 58 (70.7) 33 (73.3) 25 (67.6) cannabis 13 (15.9) 6 (13.3) 7 (18.9) stimulants 8 (9.8) 4 (8.9) 4 (10.8) opiates 3 (3.7) 2 (4.4) 1 (2.7) Abstinent, yes (%) at baseline 20 (75.6) 13 (28.9) 7 (18.9) .317# mean duration in days ( SD ) 44.9 (77.8) 23.5 (12.6) 84.4 (126.5) .141‡ at follow–up 43 (52.4) 26 (57.8) 17 (45.9) .375# mean duration in days ( SD ) 62.7 (45.4) 62.6 (45.4) 62.9 (46.8) .950‡ Abstinent at (%) .604 baseline, not follow–up 4 (4.9) 2 (4.4) 2 (5.4) follow–up, not baseline 27 (32.9) 15 (33.3) 12 (32.4) both baseline and follow–up 16 (19.5) 11 (24.4) 5 (13.5) neither baseline nor follow–up 35 (42.7) 17 (37.8) 18 (48.6) Mean interval between baseline and follow–up in days ( SD ) 92.9 (83.6) 104.0 (101.0) 79.5 (54.04) .394‡ History of treatment, yes (%) 41 (50.0) 24 (53.3) 17 (45.9) .657# Note: # = Fisher’s Exact Test; ‡ = Mann–Whitney U –test; * = p < .05. Criterion validity Montreal Cognitive Assessment Level of education correlated with the unadjusted MoCA–TS both at baseline ( ρ = 0.421, p < .001) and at follow–up ( ρ = 0.550, p < .001).