Table 4 Unsafe water’s effects on males’ years of education (19–21-year-olds) and days of school attended (6–10-year-olds)

Regression

1

2

3

4

Unsafe water

−.501^a (0.134)

−.565^a (0.167)

−.119^b (0.053)

−.170^a (0.067)

Unsafe*drink safe

0.494^a (0.140)

0.497^a (0.141)

0.107^c (0.056)

0.105^c (0.056)

10–50-ppb arsenic

–

−0.158 (0.150)

–

−0.057 (0.056)

10–50 ppb*drink safe

–

0.140 (0.150)

–

−0.027 (0.053)

R ²

0.3294

0.3296

0.0489

0.0491

# observations

4511

4511

13,556

13,556