Table 3. Models assessing associated factors of involuntary admission in the psychiatric emergency service.
| Model I | Model II | Model III | |
|---|---|---|---|
| OR (95% CI) | OR(95% CI) | OR(95% CI) | |
| Demographics | |||
| Male gender | 0.91(0.61–1.37) | 1.02(0.68–1.52) | 0.92(0.61–1.39) |
| Age (reference: ≦29) | |||
| 30–49 | 1.53(0.87–2.68) | 1.56(0.89–2.76) | 1.56(0.88–2.77) |
| ≧50 | 1.14(0.60–2.14) | 1.17(0.62–2.21) | 1.18(0.62–2.24) |
| Emergency service utilization | |||
| Police referral | 2.37(1.49–3.79)* | 2.94(1.86–4.63)* | 2.30(1.43–3.68)* |
| Nighttime arrival | 0.82(0.55–1.22) | 0.83(0.56–1.23) | 0.81(0.54–1.21) |
| Nighttime discharge | 2.61(1.07–6.39)* | 2.64(1.08–6.43)* | 2.72(1.11–6.67)* |
| Length of stay | 1.66(1.32–2.10)* | 1.65(1.31–2.08)* | 1.66(1.31–2.09)* |
| Clinical Characteristics assessed by nurses | |||
| Higher triage | 1.43(0.93–2.21) | 1.39(0.90–2.15) | |
| Presenting problem | |||
| Violence | 2.03(1.33–3.11)* | 2.11(1.37–3.25)* | |
| Suicide | 0.89(0.40–2.00) | 0.95(0.42–2.13) | |
| Substance | 1.20(0.50–2.86) | 1.33(0.54–3.25) | |
| Anxiety | 0.61(0.30–1.25) | 0.65(0.32–1.33) | |
| Clinical Characteristics assessed by psychiatrists | |||
| Diagnosis (reference: other mood disorders) | |||
| Psychotic disorders a | 1.29(0.59–2.81) | 1.31(0.60–2.87) | |
| Unspecified psychosis | 2.22(1.01–4.90)* | 2.17(0.98–4.82) | |
| Bipolar disorder | 1.63(0.68–3.93) | 1.83(0.75–4.44) | |
| Others | 1.25(0.45–3.45) | 1.09(0.39–3.09) | |
| Physical consultation | 0.86(0.41–1.77) | 0.81(0.39–1.70) | |
| PICU b admission | 1.79(0.87–3.69) | 1.62(0.78–3.35) | |
| Goodness-of-fit c | 0.65 | 0.36 | 0.77 |
*p<0.05
a Psychotic disorders were broadly defined and referred to schizophrenia, schizoaffective disorder, and delusional disorder.
b PICU = Psychiatric Intensive Care Unit
c p value of Hosmer-Lemeshow test