Table 7.

Effects of Junk Food Availability on BMI and Obesity in Fifth Grade with Alternate Sample Restrictions

	Log BMI	Obese
A. Sample Excluding Private School Students (N=7540)
OLS Estimates
Junk food availability	0.003	0.003
	[0.004]	[0.008]
IV Estimates
Junk food availability	0.005	0.011
	[0.024]	[0.052]
Reduced Form Estimates
Combined school attendance	0.001	0.002
	[0.005]	[0.010]
B. Sample Excluding Schools With Grades 9 or higher (N=9030)
OLS Estimates
Junk food availability	0.001	−0.002
	[0.003]	[0.007]
IV Estimates
Junk food availability	0.006	−0.003
	[0.023]	[0.053]
Reduced Form Estimates
Combined school attendance	0.001	0.000
	[0.004]	[0.009]
C. Sample Excluding Children Who Changed Schools Between Kindergarten and Fifth Grade (N=6980)
OLS Estimates
Junk food availability	0.001	−0.004
	[0.004]	[0.008]
IV Estimates
Junk food availability	−0.007	0.019
	[0.029]	[0.070]
Reduced Form Estimates
Combined school attendance	−0.001	0.003
	[0.005]	[0.012]

Notes: All models include the full set of covariates. Robust standard errors clustered at school level are shown in brackets. Hausman tests for consistency of OLS estimates could not be rejected in any case. The tests are not reported in the table.

⁺significant at 10%;

^*significant at 5%;

^**significant at 1%