Table 7.
Multivariable ordinal logistic regression analysis of risk factors (fungal or parasitic infection) associated with schizophrenia based on CGI-S.
| Variables | AOR (95% CI) | p-value | Brant test p-value |
|---|---|---|---|
| Age (year) | 1.08 (1.03–1.12) | < 0.001* | 0.268 |
| Occupation | |||
| Employed | 1 | ||
| Unemployed | 3.29 (1.02–10.60) | 0.046* | 0.891 |
| Smokinga | |||
| No | 1 | ||
| Yes | 4.44 (1.00–19.77) | 0.050* | 0.359 |
| Fungal or parasitic infection | |||
| No | 1 | ||
| Yes | 12.49 (3.84–40.62) | < 0.001* | 0.497 |
Brant test with p-value ≥ 0.05 indicates that the respective variable fulfills the proportional odds assumption of the model. Ordinal Hosmer–Lemeshow test (p = 0.208) implies that the regression model is of good fit.
COR crude odds ratio, CI confidence interval.
*Statistical significance (p-value < 0.25).
aSmokes at least once per week.