Table 2 Negative binominal model for the number of mental health consultations
IRR | 95% CI | p-value | |
|---|---|---|---|
First eye pre-surgery | reference | ||
First eye post-surgery | 0.978 | 0.971–0.985 | < 0.001 |
Time interval between first and second eye | |||
< 3 months | ref | ||
3–6 months | 1.021 | 1.002–1.041 | 0.027 |
6–12 months | 1.031 | 1.008–1.055 | 0.009 |
> 12 months | 0.939 | 0.923–0.955 | < 0.001 |
Post-surgery*time interval | |||
Post/3-6 months | 1.034 | 1.020–1.047 | < 0.001 |
Post/6–12 months | 1.087 | 1.070–1.104 | < 0.001 |
Post/> 12 months | 1.095 | 1.082–1.108 | < 0.001 |
Age | |||
20–35 | ref | ||
35–50 | 1.595 | 1.211–2.099 | 0.001 |
50–65 | 2.383 | 1.820–3.120 | < 0.001 |
> =65 | 2.870 | 2.192–3.756 | < 0.001 |
Sex | |||
Male | ref | ||
Female | 1.459 | 1.440–1.479 | < 0.001 |
Urbanization | |||
Urban | ref | ||
Suburban | 0.924 | 0.911–0.937 | < 0.001 |
Rural | 0.787 | 0.771–0.803 | < 0.001 |
Low-income status | |||
No | ref | ||
Yes | 1.738 | 1.602–1.885 | < 0.001 |
Charlson Comorbidity Index | |||
0 | ref | ||
1 | 1.221 | 1.180–1.264 | < 0.001 |
> =2 | 1.330 | 1.265–1.398 | < 0.001 |