Table 5.
Test of Instrument Validity, Time Till First Birth—Orthogonalized
| Mother’s Age at | Mother’s Age at | |||
|---|---|---|---|---|
| Death/100 | Death/100 | Infant Mortality | Infant Mortality | |
| OLS | OLS | OLS | OLS | |
| (1) | (2) | (3) | (4) | |
| Time Till First Birth—Orthogonalized | 0.001 | 0.001 | 0.001 | 0.005 |
| (0.002) | (0.001) | (0.005) | (0.006) | |
| Year/100 | −0.670*** | −0.735*** | 2.148*** | 2.276*** |
| (0.228) | (0.179) | (0.564) | (0.575) | |
| (Year/100)2/100 | 19.554*** | 21.581*** | −58.523*** | −62.365*** |
| (6.331) | (4.954) | (15.642) | (15.948) | |
| Mother’s Age at Birth/100 | 0.294*** | 0.011 | 0.488*** | 0.471*** |
| (0.050) | (0.041) | (0.142) | (0.152) | |
| Father’s Age at Birth/100 | −0.030 | −0.034 | 0.136 | 0.136 |
| (0.037) | (0.031) | (0.102) | (0.108) | |
| Father’s Age at Death/100 | 0.105*** | 0.074*** | −0.048 | −0.036 |
| (0.018) | (0.014) | (0.043) | (0.047) | |
| Male | 0.044*** | 0.043*** | ||
| (0.012) | (0.013) | |||
| Mother’s Age at Death/100 | −0.193*** | −0.067 | ||
| (0.039) | (0.055) | |||
| Father’s Occupation | Y | Y | Y | Y |
| Village Fixed Effects | Y | Y | Y | Y |
| Mother Survived until the Age of 40 | N | Y | N | Y |
| Time Till First Birth >269 Days | Y | Y | Y | Y |
| Observations | 4,296 | 3,602 | 4,296 | 3,602 |
p<0.01,
p<0.05,
p<0.1.
Robust standard errors in parentheses.