Changes in diet from pregnancy to one year after birth: a longitudinal study

Table 3 Associations between age, SES, BMI before pregnancy, and previous births and nutritional health at t0 (pregnancy), t1 (breastfeeding period), and t2 (after weaning), and with differences in nutritional health between time points (n = 110)

		NHS t0	NHS t1	NHS t2	Differences NHS t1-t0	Difference NHS t2-t1	Difference NHS t2-t0
Age	B	1.27	1.19	.98	−.08	−.21	−0.29
	95% CI	0.19, 2.34	−0.13, 2.51	− 0.31, 2.27	−1.18, 1.02	−1.38, 0.97	− 1.33, 0.76
	P	.021	.077	.137	.890	.730	.590
SES (ref = high)	B	−2.15	−7.37	−10.50	− 5.23	−3.12	−8.35
	95% CI	−10.96, 6.66	−17.23, 2.48	−20.33, -0.67	− 13.94, 3.49	−12.48, 6.24	− 16.55, -0.15
	P	.633	.143	.036	.240	.510	.046
BMI before pregnancy^a	B	−.17	−.80	.27	−.63	1.07	0.44
	95% CI	−0.92, 0.58	−1.82, 0.23	−0.52, 1.07	−1.53, 0.27	0.13, 2.01	−0.43, 1.32
	P	.660	.130	.500	.170	.026	.320
Previous births (ref = no)	B	4.20	−1.46	−1.13	−5.66	0.33	−5.33
	95% CI	−4.43, 12.84	−11.12, 8.21	−11.32, 9.07	− 14.75, 3.43	−9.46, 10.12	−14.00, 3.33
	P	.340	.770	.830	.220	.947	.220

^aAssociations with BMI before pregnancy were assessed in a subsample (n = 97) due to missing BMI data for a number of participants

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