. 2012 Dec;10(4):405–418. doi: 10.1016/j.ehb.2012.04.015

Table 2.

Coefficients (std. err) of the bivariate correlations, obtained from separate regression of the indicators presented in the first column on each instrumental variable.

	Mother's BMI	Child's fat mass, age 9	FTO	MC4R
Girl^a	−0.001	−0.000	0.010	−0.034^*
	(0.001)	(0.001)	(0.013)	(0.018)
Birth weight	7.718^***	1.905^*	11.596	−41.152^**
	(1.227)	(1.057)	(14.280)	(20.038)
Older siblings (0, 1, 2 or more)	0.004^***	0.001	−0.015	0.005
	(0.001)	(0.001)	(0.019)	(0.027)
Younger siblings (0, 1, 2 or more)	−0.003^**	−0.002	0.030^*	0.025
	(0.001)	(0.001)	(0.017)	(0.024)
Ln (income)	−0.003^***	−0.003^***	0.010	−0.006
	(0.001)	(0.001)	(0.012)	(0.016)
Mother's education	−0.011^***	−0.010^***	0.023	0.012
	(0.002)	(0.002)	(0.023)	(0.033)
Grandmother's education	−0.008^***	−0.006^***	−0.001	0.032
	(0.001)	(0.001)	(0.020)	(0.028)
Grandfather's education	−0.009^***	−0.007^***	0.072^***	0.023
	(0.001)	(0.001)	(0.020)	(0.029)
Raised by natural father^a	0.001^**	−0.001^*	−0.002	0.018^**
	(0.000)	(0.000)	(0.006)	(0.008)
Father's social class	0.015^***	0.007^***	−0.084^**	−0.056
	(0.002)	(0.002)	(0.033)	(0.047)
Mother's age	−0.002	−0.003^**	−0.007	−0.024
	(0.002)	(0.002)	(0.024)	(0.033)
Mother works PT, at 21 months^a	0.001	−0.001	−0.008	0.018
	(0.001)	(0.001)	(0.013)	(0.018)
Mother works FT, at 21 months^a	0.001	−0.000	0.003	−0.030^***
	(0.001)	(0.001)	(0.008)	(0.011)
Partner is employed, 21 months^a	−0.000	0.000	−0.009	0.013
	(0.001)	(0.001)	(0.007)	(0.010)
IMD	0.107^***	0.145^***	0.376	−0.752
	(0.026)	(0.027)	(0.359)	(0.499)
Mother smoked during pregnancy^a	0.000	0.003^***	−0.008	0.002
	(0.001)	(0.001)	(0.010)	(0.014)
Mother drank alcohol during pregnancy^a	0.000	−0.001	0.002	−0.023
	(0.001)	(0.001)	(0.013)	(0.018)
Intensity of breastfeeding	−0.016^***	−0.015^***	0.047	0.119^***
	(0.002)	(0.002)	(0.032)	(0.044)
Mother's ‘locus of control’	0.095^***	0.102^***	0.364	0.319
	(0.018)	(0.018)	(0.250)	(0.345)
Mother's CCEI	0.028^**	0.027^*	0.136	0.473^*
	(0.014)	(0.014)	(0.187)	(0.262)
Mother's EPDS	−0.005	0.007	0.070	0.185
	(0.009)	(0.009)	(0.119)	(0.166)
Mother's teaching score	−0.002	−0.001	0.004	−0.068^**
	(0.002)	(0.002)	(0.024)	(0.034)
Interest in child's development	−0.000	−0.000	0.005	0.005
	(0.000)	(0.000)	(0.005)	(0.007)
Parent's activity score	−0.017^**	−0.004	−0.042	0.213
	(0.009)	(0.009)	(0.115)	(0.168)
Number of observations	3001	3001	3001	3001

Binary indicators.

p < 0.10.

^**

p < 0.05.

^***

p < 0.01.