Chapter 3. Infant Feeding

Table 3.107. Percent of mothers who switched formula because they thought the baby had a problem with the formula being used by infant age and selected demographics¹, among mothers who switched formula at each age Infant Feeding Practices Study II
	Neonatal		Month 2		Month 5		Month 7		Month 9
	N	%	N	%	N	%	N	%	N	%
ALL	485	56.3	293	49.1	188	39.9	146	19.2	162	22.2
Age
18-24	115	58.3	69	56.5	43	46.5	24	41.7	31	29.0
25-29	143	60.8	92	44.6	55	41.8	43	14.0	44	25.0
30-34	142	57.7	81	48.1	57	29.8	56	17.9	55	16.4
35+	84	44.0	51	49.0	32	46.9	23	8.7	32	21.9
Parity
Primiparous	161	55.9	97	54.6	57	47.4	43	25.6	51	17.6
Multiparous	304	56.3	191	45.5	128	36.7	102	16.7	106	24.5
Education
HS or less	102	59.8	63	50.8	41	41.5	24	25.0	30	33.3
Some college	185	56.2	105	46.7	57	40.4	43	18.6	54	22.2
College graduate	142	48.6	96	44.8	76	32.9	75	16.0	69	14.5
Income (% of poverty)
< 185%	206	58.7	125	50.4	70	51.4	53	18.9	61	29.5
185- < 350%	163	54.0	99	48.5	73	38.4	49	22.4	59	18.6
>=350%	116	55.2	69	47.8	45	24.4	44	15.9	42	16.7
WIC Participant
No	261	54.8	154	46.1	120	32.5	95	16.8	108	15.7
Yes	224	58.0	139	52.5	68	52.9	51	23.5	54	35.2
Race
White	387	55.0	238	48.7	154	35.7	120	19.2	137	21.9
Black	22	68.2	15	80.0	9	55.6	6	33.3	4	25.0
Hispanic	38	52.6	16	31.3	14	50.0	10	20.0	8	25.0
Region
Northeast	80	63.8	60	56.7	34	29.4	26	11.5	30	30.0
Midwest	152	46.7	89	48.3	48	41.7	48	14.6	46	23.9
South	171	64.9	97	53.6	65	43.1	47	21.3	53	22.6
West	82	48.8	47	31.9	41	41.5	25	32.0	33	12.1
¹Table is based on variables: N53, M2E28, M5E14, M7E12, M9E11