| β | SE | p |
---|---|---|---|
Treatment area | Â | Â | Â |
Negative binomial model | Â | Â | Â |
 Arsenic (100 µg/L) | 0.010 | 0.042 | 0.807 |
 High socioeconomic status | −0.348 | 0.140 | 0.013 |
 Cost distance to clinica | 0.125 | 0.147 | 0.396 |
 (Intercept) | −4.777 | 0.195 | 0.000 |
 Log(theta) | 0.674 | 0.559 | 0.228 |
Zero-inflated model | Â | Â | Â |
 Arsenic (100 µg/L) | −2.921 | 2.742 | 0.287 |
 High socioeconomic status | 0.502 | 1.677 | 0.765 |
 Cost distance to Clinic1 | 1.945 | 1.488 | 0.191 |
 (Intercept) | −3.214 | 1.405 | 0.022 |
N | 3251 | Â | Â |
Comparison area | Â | Â | Â |
Negative binomial model | Â | Â | Â |
 Arsenic (100 µg/L) | 0.008 | 0.022 | 0.702 |
 High socioeconomic status | −0.302 | 0.090 | 0.001 |
 Cost distance to clinica | −0.151 | 0.058 | 0.010 |
 (Intercept) | −4.306 | 0.084 | 0.000 |
 Log (theta) | 2.807 | 1.815 | 0.122 |
Zero-inflated model | Â | Â | Â |
 Arsenic (100 µg/L) | −1.686 | 3.006 | 0.575 |
 High Socioeconomic Status | −1.310 | 1.712 | 0.444 |
 Cost Distance to Clinica | −5.137 | 3.003 | 0.087 |
 (Intercept) | −8.242 | 2.693 | 0.002 |
N | 3442 | Â | Â |