Table 3.
Lifetime Functional Impairment in Participants with and without lifetime Substance Use Disorder (SUD)
| Variable | SUD present (n=87) | SUD absent (n=236) | Statistic1 | p-value |
|---|---|---|---|---|
| Receiving disability payments, n (%) | 27 (31.0) | 36 (15.3) | 10.08c | .001 |
| Disability primarily due to OCD, n (%) | 21 (24.1) | 27 (11.4) | 8.10c | .004 |
| Functional impairment due to OCD: | ||||
| occupational functioning2 , Mean (SD) | 3.0 (0.9) | 2.8 (0.8) | -1.73t | .084 |
| social functioning2, Mean (SD) | 2.7 (0.8) | 2.5 (0.9) | -1.82t | .070 |
| avoidance of occupational activities, n (%) | 66 (75.9) | 145 (61.4) | 6.54c | .011 |
| avoidance of social interactions, n (%) | 73 (84.9) | 176 (74.6) | 3.82c | .051 |
| housebound for at least one week, n (%) | 32 (37.2) | 50 (21.2) | 8.53c | .004 |
| temporarily dropped out of school, n (%) | 15 (17.4) | 26 (11.1) | 2.30c | .129 |
| permanently dropped out of school, n (%) | 15 (20.3) | 17 (18.9) | 6.49c | .011 |
| Suicidality and hospitalizations, n (%) | ||||
| History of suicidal ideation due to OCD | 45 (52.3) | 94 (39.8) | 4.01c | .045 |
| History of at least one suicide attempt | 23 (27.1) | 27 (11.5) | 11.5c | .001 |
| History of psychiatric hospitalization | 44 (50.6) | 62 (26.2) | 17.0c | <.001 |
1
For statistic column: c=chi-square and t=t-test. For all chi-square analyses, df=1. For all t-test analyses, df=314
2
Functional impairment was assessed by asking participants to recall the worst period of OCD lifetime. Impairment ranged from no impairment (0) to extreme impairment (4).