Table 4. Association between food insecurity status and 3 and 12 month weight status change from pre-pregnancy weight.

	3 month postpartum*		12 month postpartum**
	Weight (pounds) β (95% CI)	BMI β (95% CI)	Weight (pounds) β (95% CI)	BMI β (95% CI)
Food security status during pregnancy	(n=505)	(n=505)	(n=492)	(n=492)
Marginally Secure	0.19 (-4.12, 4.51)	-0.25 (-1.03, 0.53)	2.91 (-1.89, 7.71)	0.28 (-0.59, 1.14)
Food Insecure	6.36 (1.25, 11.47)	1.74 (0.81, 2.66)	5.00 (-0.69, 10.70)	1.65 (0.62, 2.68)
Constant	23.28 (13.91, 32.65)	4.28 (2.59, 5.97)	17.15 (6.69, 27.61)	3.52 (1.63, 5.40)
Food security status during postpartum			(n=512)	(n=512)
Marginally Secure			4.47 (-1.00, 9.94)	0.84 (-0.15, 1.83)
Food Insecure			3.97 (-0.82, 8.76)	0.93 (0.07, 1.80)
Constant			16.87 (6.75, 26.99)	3.32 (1.50, 5.15)

^*controlling for pre-pregnancy BMI, age, race, education, income, marital status, children, smoking at 3 months and breastfeeding duration at 3 months

^**controlling for pre-pregnancy BMI, age, race, education, income, marital status, children, smoking at 12 months and breastfeeding duration at 12 months

Note: Sample size varies due to missing values of the outcome