Table 7 Impact of unit changes of individual variables on the expected number of patients (%) in the compared models for PHQ-9
Independent variables | P | NB | ZIP | ZINB | ||
|---|---|---|---|---|---|---|
e1: Y > 0 | e2: Y = 0 | e1: Y > 0 | e2: Y = 0 | |||
Gender | 0.285 33.0% | 0.322 38.1% | 0.174 19.1% | - | - | - |
living with other people | - | - | - | - | - | 0.501 65.0% |
Income | -0.305 -26.5% | -0.332 -28.3% | -0.179 -16.4% | 0.401 49.4% | -0.225 -20.2% | - |
Infarction | - | - | 0.250 28.4% | - | - | - |
Gastroesophageal reflux disease | - | - | 0.728 107.2% | - | 0.797 122.0% | - |
Number of comorbidities | 0.184 20.3% | 0.203 22.5% | 0.044 4.5% | -0.534 -41.4% | - | -0.656 -48.1% |
Number of missing teeth | - | - | 0.007 0.7% | - | - | - |
Likelihood ratio test | < 0.001 | 0.001 | < 0.001 | < 0.001 | ||
Sum of squared deviations | 7311 | 7494 | 7050 | 6916 | ||