TABLE 2.
Service Utilization Over 2 Years by 351 Patients With Early-Phase Primary Psychosis or Substance-Induced Psychosis
| Group and Treatment or Service | Assessment
|
p
|
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline
|
6 Months
|
12 Months
|
18 Months
|
24 Months
|
Group Difference at Baseline | Average Time Trend | Group- by-Time Interaction | ||||||
| N | % | N | % | N | % | N | % | N | % | ||||
| Primary psychosis group | 217 | 100 | 186 | 86 | 173 | 80 | 171 | 79 | 162 | 75 | |||
| Substance-induced psychosis group | 134 | 100 | 98 | 73 | 87 | 65 | 82 | 61 | 77 | 57 | |||
| Antidepressant medication | 0.297 | 0.574 | 0.109 | ||||||||||
| Primary psychosis group | 66 | 30 | 53 | 28 | 62 | 36 | 60 | 35 | 56 | 35 | |||
| Substance-induced psychosis group | 37 | 28 | 20 | 20 | 13 | 15 | 14 | 17 | 15 | 19 | |||
| Antipsychotic medication | <0.001 | <0.001 | 0.139 | ||||||||||
| Primary psychosis group | 175 | 81 | 121 | 65 | 95 | 55 | 91 | 53 | 85 | 52 | |||
| Substance-induced psychosis group | 67 | 50 | 30 | 31 | 14 | 16 | 13 | 16 | 10 | 13 | |||
| Mood-stabilizing medication | 0.008 | 0.351 | 0.547 | ||||||||||
| Primary psychosis group | 55 | 25 | 45 | 254 | 34 | 20 | 40 | 23 | 39 | 24 | |||
| Substance-induced psychosis group | 21 | 16 | 10 | 10 | 4 | 5 | 5 | 6 | 10 | 13 | |||
| Outpatient mental health treatment | 0.079 | 0.232 | 0.004 | ||||||||||
| Primary psychosis group | 20 | 9 | 46 | 25 | 39 | 23 | 45 | 26 | 49 | 30 | |||
| Substance-induced psychosis group | 8 | 6 | 12 | 12 | 9 | 10 | 5 | 6 | 3 | 4 | |||
| Outpatient substance abuse treatment | 0.016 | 0.057 | 0.531 | ||||||||||
| Primary psychosis group | 6 | 3 | 6 | 3 | 5 | 3 | 8 | 5 | 5 | 3 | |||
| Substance-induced psychosis group | 7 | 5 | 11 | 11 | 12 | 14 | 15 | 18 | 8 | 10 | |||
| Outpatient dual disorders treatment | 0.090 | 0.005 | 0.530 | ||||||||||
| Primary psychosis group | 18 | 8 | 24 | 13 | 24 | 14 | 19 | 11 | 26 | 16 | |||
| Substance-induced psychosis group | 4 | 3 | 8 | 8 | 10 | 11 | 9 | 11 | 6 | 8 | |||
| Psychiatric hospitalization | 0.010 | 0.331 | 0.945 | ||||||||||
| Primary psychosis group | 9 | 4 | 27 | 15 | 15 | 9 | 19 | 11 | 18 | 11 | |||
| Substance-induced psychosis group | 1 | 1 | 3 | 3 | 1 | 1 | 0 | 0 | 2 | 3 | |||
| Outpatient visits to a psychiatrist | <0.001 | <0.001 | 0.534 | ||||||||||
| Primary psychosis group | 62 | 29 | 124 | 67 | 105 | 61 | 104 | 61 | 100 | 62 | |||
| Substance-induced psychosis group | 16 | 12 | 25 | 26 | 20 | 23 | 20 | 24 | 20 | 26 | |||
| Outpatient visits to other physicians | 0.136 | <0.001 | 0.205 | ||||||||||
| Primary psychosis group | 37 | 17 | 35 | 19 | 39 | 23 | 40 | 24 | 43 | 27 | |||
| Substance-induced psychosis group | 15 | 11 | 14 | 14 | 16 | 18 | 17 | 21 | 19 | 25 | |||
| Substance treatment medication | 0.009 | 0.356 | 0.082 | ||||||||||
| Primary psychosis group | 5 | 2 | 3 | 2 | 2 | 1 | 6 | 4 | 5 | 3 | |||
| Substance-induced psychosis group | 12 | 9 | 6 | 6 | 3 | 3 | 2 | 2 | 3 | 4 | |||