Table A1.

Description of dummy variables of multipack and package size.

Dummy Variables	Soy Milk	Almond Milk	Rice Milk	2% Milk	1% Milk	Whole Milk	Fat-Free Milk
$D_{\mathrm{pkge}\_\mathrm{size}1}$	8 oz.	8 oz.	11 oz.	size < 8 oz.	8 oz.	size < 8 oz.	size < 8 oz.
$D_{\mathrm{pkge}\_\mathrm{size}2}$	8 oz. < size < 10 oz.	10 oz.	12 oz.	8 oz.	10 oz.	8 oz.	8 oz.
$D_{\mathrm{pkge}\_\mathrm{size}3}$	10 oz.	12 oz.	14 oz.	8 oz. < size < 10 oz	10 oz. < size < 11 oz.	10 oz.	10 oz.
$D_{\mathrm{pkge}\_\mathrm{size}4}$	10 oz. < size < 11 oz.	16 oz.	16 oz.	10 oz.	12 oz.	10 oz.<size < 11 oz.	10 oz.<size < 11 oz.
$D_{\mathrm{pkge}\_\mathrm{size}5}$	11 oz.	32 oz.	32 oz.	10 oz. < size < 11 oz.	14 oz.	12 oz.	11 oz.
$D_{\mathrm{pkge}\_\mathrm{size}6}$	12 oz.	48 oz.	48 oz.	11 oz.	16 oz.	14 oz.	12 oz.
$D_{\mathrm{pkge}\_\mathrm{size}7}$	15 oz.	64 oz.	64 oz.	12 oz.	32 oz.	16 oz.	14 oz.
$D_{\mathrm{pkge}\_\mathrm{size}8}$	15oz. < size < 16 oz.		128 oz.	14 oz.	52 oz.	20 oz.	16 oz.
$D_{\mathrm{pkge}\_\mathrm{size}9}$	16 oz.			16 oz.	52 oz.<size < 64 oz.	24 oz.	20 oz.
$D_{\mathrm{pkge}\_\mathrm{size}10}$	32 oz.			20 oz.	64 oz.	32 oz.	32 oz.
$D_{\mathrm{pkge}\_\mathrm{size}11}$	32 oz. < size < 48oz.			24 oz.	94 oz.	32 oz. < size < 52 oz.	32 oz. < size < 52 oz.
$D_{\mathrm{pkge}\_\mathrm{size}12}$	48 oz.			32 oz.	96 oz.	52 oz.	52 oz.
$D_{\mathrm{pkge}\_\mathrm{size}13}$	64 oz.			32 oz. < size < 52 oz.	97 oz.	52 oz. < size < 64 oz.	52 oz. < size < 64 oz.
$D_{\mathrm{pkge}\_\mathrm{size}14}$	128 oz.			52 oz.	128 oz.	64 oz.	64 oz.
$D_{\mathrm{pkge}\_\mathrm{size}15}$				52 oz. < size < 64 oz. oz.		96 oz.	94 oz.
$D_{\mathrm{pkge}\_\mathrm{size}16}$				64 oz.		128 oz.	96 oz.
$D_{\mathrm{pkge}\_\mathrm{size}17}$				94 oz.			128 oz.
$D_{\mathrm{pkge}\_\mathrm{size}18}$				96 oz.
$D_{\mathrm{pkge}\_\mathrm{size}19}$				97 oz.
$D_{\mathrm{pkge}\_\mathrm{size}20}$				128 oz.
$D_{\mathrm{multi}1}$	1 Pack	1 pack	1 pack	1 pack	1 pack	1 pack	1 pack
$D_{\mathrm{multi}2}$	2 packs	2 packs		2 packs	2 packs	2 packs	2 packs
$D_{\mathrm{multi}3}$	3 packs			3 packs	3 packs	3 packs
$D_{\mathrm{multi}4}$	4 packs	4 packs
$D_{\mathrm{multi}5}$						5 packs
$D_{\mathrm{multi}6}$	6 packs	6 packs		6 packs	6 packs	6 packs
$D_{\mathrm{multi}7}$		12 packs	12 packs	12 packs	12 packs	9 packs
$D_{\mathrm{multi}8}$		18 packs