Table 3.
Effects of Interventions on Hospitalization Rates
| MI (Ratio Hospitalized) | HE (Ratio Hospitalized) | χ2 | P | |
|---|---|---|---|---|
| T0: baseline (n = 114) | 24/55 (44%) | 26/59 (44%) | 0.002 | .963 |
| T1: posttreatment (n = 94) | 17/45 (38%) | 19/49 (39%) | 0.01 | .921 |
| T2: 6-mo follow-up (n = 93) | 12/45 (27%) | 19/48 (40%) | 1.74 | .187 |
| • Females (n = 19) | 1/11 (9%) | 5/8 (63%) | 6.12 | .041 |
| • Males (n = 74) | 11/34 (32%) | 14/40 (35%) | 0.06 | .810 |
| • Cannabis positive (n = 10) | 0/3 (0%) | 3/7 (43%) | 1.84 | .475 |
| • Cannabis negative (n = 40) | 5/25 (20%) | 8/15 (53%) | 4.75 | .041 |
| • Urine analysis refused (n = 43) | 7/17 (41%) | 8/26 (31%) | 0.49 | .484 |
| • Age ≤35 (n = 43) | 3/21 (14%) | 11/22 (50%) | 6.24 | .012 |
| • Age >35 (n = 50) | 9/24 (38%) | 8/26 (31%) | 0.25 | .616 |
| • Duration of illness ≤6 y (n = 41) | 3/22 (14%) | 8/19 (42%) | 4.21 | .040 |
| • Duration of illness >6 y (n = 52) | 9/23 (39%) | 11/29 (38%) | 0.01 | .930 |
| • Depot antipsychotic (n = 25) | 2/10 (20%) | 7/15 (47%) | 1.32 | .380 |
| • Oral antipsychotic (n = 68) | 10/35 (29%) | 12/33 (36%) | 1.20 | .273 |
Note: HE, health education; MI, motivational interviewing.