Table 2.

Body Mass Index Groups, Breastfeeding Practices, and Breastfeeding Problems During Hospital Stay

	Group
	Obese		Nonobese		Comparison obese × nonobese			Effect of obesity at days 2 and 3
	n	%	n	%	OR	95% CI	p	OR	95% CI	p
EBF
Day 1	56/79	70.9	107/132	81.1	0.54	0.28–1.04	0.065	—	—	—
Day 2	56/83	67.5	103/134	76.9	0.62	0.34–1.13	0.119	1.13	0.56–2.28	0.721
Day 3	27/42	64.3	60/72	83.3	0.43	0.18–1.01	0.053	0.79	0.32–1.98	0.621
BF problems
Day 1	44/77	57.1	52/126	41.3	1.91	1.08–3.39	0.026	—	—	—
Day 2	45/82	54.9	51/134	38.1	1.97	1.13–3.43	0.017	1.03	0.50–2.10	0.941
Day 3	19/42	45.2	29/72	40.3	1.13	0.53–2.40	0.754	0.59	0.24–1.43	0.241
Nipple damage
Day 1	12/78	15.4	25/128	19.5	0.77	0.37–1.63	0.496	—	—	—
Day 2	23/82	28.1	50/135	37.0	0.67	0.37–1.21	0.185	0.87	0.41–1.85	0.715
Day 3	21/40	52.5	33/72	45.8	1.21	0.59–2.52	0.598	1.58	0.65–3.84	0.316
Nipple pain
Day 1	10/78	12.8	23/128	18.0	0.67	0.30–1.48	0.318	—	—	—
Day 2	15/81	18.5	37/134	27.6	0.60	0.31–1.17	0.135	0.90	0.39–2.07	0.798
Day 3	15/40	37.5	22/71	31.0	1.46	0.68–3.13	0.327	2.19	0.85–5.66	0.106
Inadequate position of mother
Day 1	44/78	56.4	63/126	50.0	1.27	0.72–2.24	0.407	—	—	—
Day 2	29/82	35.4	58/133	43.6	0.71	0.40–1.25	0.230	0.56	0.27–1.14	0.112
Day 3	8/41	19.5	24/72	33.3	0.53	0.22–1.29	0.162	0.42	0.16–1.13	0.085
Inadequate position of baby
Day 1	54/76	71.1	73/123	59.4	1.65	0.90–3.03	0.108	—	—	—
Day 2	41/82	50.0	55/133	41.4	1.44	0.83–2.50	0.200	0.87	0.41–1.84	0.716
Day 3	20/42	47.6	25/72	34.7	1.67	0.78–3.57	0.190	1.01	0.40–2.53	0.982
Poor latch
Day 1	47/78	60.3	68/128	53.1	1.28	0.73–2.27	0.389	—	—	—
Day 2	38/82	46.3	62/133	46.6	0.99	0.57–1.72	0.973	0.77	0.37–1.59	0.482
Day 3	26/42	61.9	26/72	36.1	2.81	1.29–6.10	0.009	2.19	0.88–5.43	0.092

São Paulo, 2016/2018.

EBF, exclusive breastfeeding; BF, breastfeeding; CI, confidence interval; OR, odds ratio.