Table 4.

Children with Access to IBCLCs grouped by County-Level Breastfeeding Initiation Rates

	County Breastfeeding Initiation Rate
	Low (52–67% initiation)	Medium (68–75% initiation)	High (76–87% initiation)
	n=214,373	n=196,783	n=318,382
Distance	n (%)	n (%)	n (%)	Chi-square	p
IBCLC in any practice settinga
15 mi	200,863 (94)	189,254 (96)	313,571 (98)	8.7×103	<0.001
30 mi	211,481 (99)	196,783 (100)	317,485 (100)	4.2×103	<0.002
60 mi	214,373 (100)	196,783 (100)	318,382 (100)	NA	NA
IBCLC in any practice setting
15 mi	150,387 (70)	144,274 (73)	291,038 (91)	4.5×104	<0.001
30 mi	187,777 (88)	166,927 (85)	308,406 (97)	2.5×104	<0.001
60 mi	209,045 (98)	179,060 (91)	310,652 (98)	1.5×104	<0.001
Hospital Based IBCLC
15 mi	148,716 (69)	119,532 (61)	278,683 (88)	5.2×104	<0.001
30 mi	186,243 (87)	162,214 (82)	307,846 (97)	3.1×104	<0.001
60 mi	208,961 (97)	179,060 (91)	310,605 (98)	1.5×104	<0.001
Private Practice IBCLC
15 mi	118,310 (55)	84,960 (43)	226,649 (71)	4.1×104	<0.001
30 mi	155,432 (73)	151,783 (77)	294,609 (93)	4.1×104	<0.001
60 mi	205,759 (96)	173,651 (88)	310,402 (97)	2.1×104	<0.001
Office Based IBCLC
15 mi	109,873 (51)	98,829 (50)	163,529 (51)	69.7	<0.001
30 mi	133,214 (62)	138,291 (70)	288,160 (91)	6.4×104	<0.001
60 mi	196,047 (91)	160,675 (82)	303,275 (95)	2.6×104	<0.001
WIC-Affiliated IBCLC
15 mi	105,912 (49)	20,432 (10)	155,163 (49)	9.0×104	<0.001
30 mi	124,558 (58)	99,008 (50)	237,764 (75)	3.4×104	<0.001
60 mi	160,641 (75)	153,509 (78)	305,480 (96)	5.4×104	<0.001

Notes. Data source is International Lactation Consultant Association (2015) unless otherwise specified. Results indicate number (%) of children 0–4 years old living within the designated number of miles from the specified type of IBCLC. Abbreviations: IBCLC, International Board-Certified Lactation Consultant; NA, not applicable.

^aThe data source for the first three rows of results is the International Board of Lactation Consultant Examiners (2016).