. Author manuscript; available in PMC: 2013 Oct 4.

Published in final edited form as: Forum Health Econ Policy. 2012 Oct 4;14(2):11. doi: 10.2202/1558-9544.1237

Table A7.

Probit and IV probit regression coefficients of the child development risk status function^a

	Probit	IV Probit

		Area instrument	Area instrument with SES interaction	Caregiver availability instruments
Parental/household investment	−0.273^*** (0.062)	−0.910^*** (0.114)	−0.910^*** (0.109)	−0.910^*** (0.240)
African ancestry	0.519^*** (0.105)	0.264^** (0.120)	0.262^** (0.120)	0.286 (0.184)
Native ancestry	0.303^** (0.137)	0.201 (0.123)	0.200 (0.122)	0.217 (0.142)
Socioeconomic status	−0.035 (0.032)	0.097^*** (0.038)	0.095^*** (0.036)	0.095 (0.069)
Maternal mental health problems	−0.008 (0.133)	−0.051 (0.134)	−0.050 (0.133)	−0.051 (0.134)
Maternal chronic physical health problems	0.112 (0.130)	0.162 (0.132)	0.163 (0.132)	0.152 (0.132)
Maternal smoking during prenatal period	0.133 (0.095)	0.134 (0.084)	0.134 (0.084)	0.131 (0.084)
Child has private insurance	0.039 (0.145)	0.049 (0.102)	0.049 (0.102)	0.050 (0.106)
maternal age	0.072^** (0.034)	0.085^*** (0.032)	0.084^*** (0.032)	0.082^*** (0.031)
maternal age squared	−0.001^** (0.001)	−0.001^*** (0.001)	−0.001^*** (0.001)	−0.001^*** (0.001)
Mother is single	0.309^*** (0.089)	0.241^*** (0.073)	0.242^*** (0.072)	0.248^*** (0.076)
Mother is in a stable relationship	0.131^* (0.073)	0.050 (0.074)	0.050 (0.074)	0.053 (0.071)
Child’s age in months	0.002 (0.008)	0.067^*** (0.014)	0.067^*** (0.014)	0.066^** (0.028)
Male child	0.154^*** (0.060)	0.079 (0.059)	0.080 (0.059)	0.082 (0.065)
Number of child’s siblings	0.066^* (0.035)	0.035 (0.034)	0.035 (0.034)	0.039 (0.038)
Disabled sibling	0.370^* (0.214)	0.235 (0.147)	0.235 (0.146)	0.244 (0.166)
Number of other household members	−0.031^* (0.016)	−0.019 (0.015)	−0.019 (0.015)	−0.020 (0.016)
Brazil	0.062 (0.243)	−0.293 (0.228)	−0.291 (0.228)	−0.292 (0.300)
Bolivia	0.988 (0.625)	0.934^*** (0.318)	0.931^*** (0.316)	0.990^*** (0.326)
Chile	0.508 (0.312)	0.448^** (0.183)	0.447^** (0.183)	0.494^** (0.208)
Ecuador	0.517^** (0.214)	0.123 (0.221)	0.123 (0.218)	0.144 (0.307)
Constant	−2.490^*** (0.547)	−2.988^*** (0.507)	−2.981^*** (0.509)	−2.970^*** (0.503)

Chi-square [df] of instrument effects on investments		232.29^*** [1]	235.58^*** [2]	13.78^*** [2]

^{*, ** and ***}

indicate p <0.1, <0.05 and <0.01, respectively.

Standard errors are in parentheses.