Table 3.
Mixed-effects negative binomial regression for the rate of mental health act detention across clinical commissioning groups in England
| Univariate Analysis | Multivariate Analysis | |||||
|---|---|---|---|---|---|---|
| Variable | IRR | 95% CI | p value | IRR | 95% CI | p value |
| Severe Mental Illness | 3.226 | 2.452 to 4.245 | < 0.001 | 2.327 | 1.803 to 3.003 | < 0.001 |
| Depression | 1.002 | 0.976 to 1.028 | 0.896 | - | - | - |
| Index of Multiple Deprivation | 1.023 | 1.017 to 1.029 | < 0.001 | 1.000 | 0.994 to 1.007 | 0.883 |
| % Non-White | 1.011 | 1.006 to 1.016 | < 0.001 | 1.003 | 0.999 to 1.007 | 0.097 |
| % Aged 18 to 35 Years | 1.032 | 1.022 to 1.043 | < 0.001 | 1.001 | 0.990 to 1.013 | 0.820 |
| % Male Sex | 1.172 | 1.092 to 1.258 | < 0.001 | 1.085 | 1.015 to 1.160 | 0.016 |
| Community and Outpatient Mental Health Visits per 100 | 1.019 | 1.013 to 1.025 | < 0.001 | 1.013 | 1.008 to 1.017 | < 0.001 |
| Urbanicity | ||||||
| Predominantly Rural† | - | - | - | - | - | - |
| Urban with Significant Rural | 0.930 | 0.800 to 1.081 | 0.342 | 0.962 | 0.870 to 1.065 | 0.445 |
| Predominantly Urban | 1.213 | 1.067 to 1.378 | 0.003 | 1.052 | 0.956 to 1.157 | 0.301 |
Note Bold indicates significance to p < .05
† Reference category