Table 5. Association between food insecurity status at 12 month weight status change from pre-pregnancy weight stratified by pre-pregnancy weight.

	12 Month Weight (pounds)*		12 Month BMI*
	Normal Weight β (95% CI)	Overweight/Obese β (95% CI)	Normal Weight β (95% CI)	Overweight/Obese β (95% CI)
Food security status during pregnancy	(n=320)	(n=172)	(n=320)	(n=172)
Marginally Secure	0.85 (-4.70, 6.39)	4.48 (-4.02, 12.98)	-0.11 (-1.15, 0.92)	0.60 (-0.90, 2.10)
Food Insecure	-2.46 (-10.71, 5.78)	10.37 (0.89, 19.84)	-0.11 (-1.64, 1.43)	2.60 (0.92, 4.27)
Constant	11.56 (-2.54, 25.66)	30.55 (10.43, 50.68)	2.70 (0.06, 5.33)	6.00 (2.45, 9.56)
Food security status during postpartum	(n=320)	(n=180)	(n=320)	(n=172)
Marginally Secure	3.36 (-2.78, 9.52)	6.80 (-3.55, 17.15)	0.28 (-0.87, 1.43)	1.50 (-0.34, 3.34)
Food Insecure	-2.02 (-7.90, 3.88)	7.33 (-1.39, 16.05)	-030 (-1.40, 0.80)	1.59 (0.04, 3.14)
Constant	9.99 (-4.15, 24.12)	24.66 (4.41, 44.90)	2.55 (0.09, 5.19)	4.49 (0.89, 8.09)

^*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