TABLE 4.

Summary of results of the regression analysis for purchases of low energy density (LED) and high energy density (HED) foods

	LED foods			HED foods
Variable	Estimate	SE	P	Estimate	SE	P
Constant	1.030	1.349	0.445	8.273	1.945	< 0.001
Own-price elasticity	−0.569	0.220	< 0.010	−1.586	0.275	< 0.001
Cross-price elasticity	0.622	0.191	0.001	−0.058	0.317	0.856
Study income	0.032	0.001	< 0.001	0.046	0.001	< 0.001
Age	0.004	0.003	0.121	−0.007	0.003	0.035
Hunger	−0.041	0.016	0.008	0.060	0.021	0.005
BMI	0.119	0.046	0.011	−0.106	0.067	0.112
Amount spent on groceries/wk	0.001	0.0004	0.014	−0.003	0.001	< 0.001
No. of family members	−0.069	0.013	< 0.001	0.120	0.018	< 0.001
Socioeconomic status	0.003	0.001	0.007	−0.004	0.001	0.011
Minority status	0.037	0.030	0.224	−0.003	0.041	0.944
Cross-price elasticity × BMI	−0.017	0.007	0.008	−0.001	0.011	0.928
Own-price elasticity × BMI	−0.008	0.008	0.316	0.023	0.009	0.016