Table 2.

Association between chronic condition types and breastfeeding difficulty clusters

	Relative Risk Ratio (95% CI)
	Crude		Adjusted
Low milk production vs. Physiologically expected (reference
Endocrine	2.82	(1.38–5.80)	2.34	(1.10–5.00)
Neurological	0.90	(0.33–2.45)	0.89	(0.32–2.51)
Cardiovascular	3.53	(1.37–9.12)	2.75	(1.01–7.81)
Respiratory	1.02	(0.34–3.06)	0.95	(0.30–2.99)
Gastrointestinal	2.75	(1.23–6.12)	2.51	(1.11–5.69)
Musculoskeletal	0.97	(0.44–2.14)	0.80	(0.35–1.85)
Genitourinary	0.75	(0.26–2.18)	0.71	(0.22–2.24)
Ineffective latch vs. Physiologically expected (reference)
Endocrine	1.66	(0.92–3.00)	1.75	(0.91–3.36)
Neurological	1.09	(0.52–2.31)	1.03	(0.45–2.33)
Cardiovascular	1.49	(0.59–3.73)	1.52	(0.54–4.28)
Respiratory	1.88	(0.91–3.90)	1.98	(0.89–4.40)
Gastrointestinal	2.40	(1.27–4.53)	2.44	(1.25–4.77)
Musculoskeletal	1.22	(0.67–2.22)	1.17	(0.62–2.23)
Genitourinary	0.51	(0.21–1.27)	0.37	(0.13–1.02)

Adjusted model controlled for maternal age, pre-pregnancy body mass index, prenatal depressive score, prenatal anxiety score, maternal education, mode of delivery, and obstetrical complications

CI Confidence interval