| β | SE | p |
---|---|---|---|
Negative binomial model | Â | Â | Â |
Treatment area | −0.580 | 0.108 | 0.000 |
Arsenic (100 µg/L) | 0.009 | 0.020 | 0.644 |
High socioeconomic status | −0.302 | 0.076 | 0.000 |
Cost distance to clinica | −0.092 | 0.052 | 0.077 |
(Intercept) | −4.359 | 0.073 | 0.000 |
Log (theta) | 1.704 | 0.595 | 0.004 |
Zero-inflated model | Â | Â | Â |
Treatment area | 11.985 | 76.145 | 0.875 |
Arsenic (100 µg/L) | −2.633 | 2.769 | 0.342 |
High socioeconomic status | 1.007 | 1.334 | 0.450 |
Cost distance to clinica | 1.206 | 1.339 | 0.368 |
(Intercept) | −15.708 | 76.162 | 0.837 |
N | 6693 | Â | Â |