Table 9.

IV—The effects of contemporaneous height, instrumented by the nine SNPs simultaneously, on cognitive skills and mental health.

	(1) Key Stage 3, Age 14		(2) IQ test score, Age 8		(3) Scholastic self-esteem, Age 8		(4) Global self-worth, Age 8		(5) Depression, Age 13
	Boys	Girls	Boys	Girls	Boys	Girls	Boys	Girls	Boys	Girls
Unadjusted
Height	−0.164	0.358*	0.015	0.419**	−0.057	0.196	−0.072	0.072	0.099	0.123
	(0.167)	(0.184)	(0.185)	(0.182)	(0.189)	(0.206)	(0.190)	(0.202)	(0.139)	(0.228)
p-value DWH test	0.122	0.209	0.484	0.080	0.636	0.495	0.616	0.839	0.568	0.915
p-value Hansen J test	0.514	0.586	0.550	0.177	0.783	0.702	0.511	0.793	0.310	0.748
First stage F-statistic	2.90	3.69	3.63	2.96	3.43	2.48	3.43	2.48	3.50	3.61
Adjusted for all covariates
Height	−0.148	0.296*	0.081	0.353**	−0.002	0.161	−0.074	0.058	0.125	0.098
	(0.137)	(0.175)	(0.146)	(0.165)	(0.168)	(0.217)	(0.168)	(0.218)	(0.133)	(0.246)
p-value DWH test	0.137	0.139	0.986	0.068	0.946	0.587	0.646	0.912	0.369	0.923
p-value Hansen J test	0.900	0.554	0.771	0.595	0.619	0.638	0.524	0.739	0.271	0.788
First stage F-statistic	3.08	3.02	4.83	2.81	4.55	2.28	4.55	2.28	3.87	3.16