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. Author manuscript; available in PMC: 2013 Mar 6.
Published in final edited form as: Am J Psychiatry. 2011 Jun 15;168(11):1186–1194. doi: 10.1176/appi.ajp.2011.11010048

Table 3.

Determinants of Diagnostic Shifts: Mixed-Effects Logistic Regression

Schizophrenia Bipolar Disorder MDD Substance-Induced
Adjusted
Odds
Ratio
95%
Confidence
Interval
Adjusted
Odds
Ratio
95%
Confidence
Interval
Adjusted
Odds
Ratio
95%
Confidence
Interval
Adjusted
Odds
Ratio
95%
Confidence
Interval
Changes in symptoms
GAF 0.28*** 0.19–0.41   4.61*** 2.80–7.59 2.12** 1.32–3.41 1.31 0.73–2.35
Negative symptoms 3.02*** 2.11–4.32   0.42*** 0.25–0.69 0.51** 0.31–0.85 0.89 0.49–1.60
Psychotic symptoms 3.49 *** 2.43–5.01   0.45*** 0.28–0.71 0.31*** 0.17–0.57 0.65 0.36–1.19
Disorganized symptoms 0.70* 0.50–1.00   1.45 0.98–2.14 0.75 0.43–1.32 0.85 0.47–1.54
Depression symptoms 0.45*** 0.33–0.63   1.76** 1.19–2.61 4.23*** 2.77–6.46 1.21 0.76–1.91
BPRS excitement 0.70* 0.51–0.97   1.66** 1.19–2.30 0.49* 0.27–0.88 0.91 0.56–1.47
Suicide attempts 0.63 0.26–1.52   0.57 0.17–1.95 3.25* 1.18–8.90 0.96 0.28–3.25
Aggression 0.79 0.43–1.44   1.00 0.49–2.04 0.90 0.42–1.94 2.83* 1.14–7.05
Changes in treatment
Rehospitalization 1.27 0.66–2.43   1.33 0.58–3.03 0.50 0.21–1.21 2.23 0.77–6.47
Antipsychotics 6.92*** 3.62–13.25   0.52 0.25–1.06 0.46* 0.22–0.99 0.46 0.19–1.12
Antidepressants 0.61 0.33–1.11   0.39 0.18–0.82 3.85*** 1.93–7.69 0.62 0.24–1.58
Anti-manic 0.44* 0.22–0.86 13.92*** 6.81–28.45 0.22*** 0.09–0.55 0.35 0.11–1.17
Substance abuse 0.42* 0.19–0.94   0.91 0.36–2.30 0.35* 0.12–0.99 5.91*** 2.38–14.65

NOTE: Odds ratios adjusted for effects of all other predictors

*

p<0.05

**

p<0.01

***

p<0.001