Determinants and underlying causes of frequent attendance in midwife-led care: an exploratory cross-sectional study

Table 5 Index for assessment of the adequacy of prenatal care utilization in the Dutch primary midwifery care context [3]

Duration of gestation	Initiation of care	Number of visits	Kotelchuck Index^b
0 - 11+6	≤ 11+6	≥ 3	4
		1-2	3
			2
		0	1
12 - 26+6 Ideally 3.75 visits^a	≤ 11+6	≥ 6	4
		3-5	3
		2	2
		≤ 1	1
	≥ 12+0		1
27 - 36+6 Ideally 7.5 visits^a		≥ 10	4
		6-9	3
		4-5	2
		≤ 3	1
	≥ 12+0		1
37+0 - 37+6 Ideally 11 visits^a	≤ 11+6	≥ 13	4
		10-12	3
		6-9	2
		≤5	1
	≥ 12+0		1
38+0 - 38+6 Ideally 12 visits^a	≤ 11+6	≥ 14	4
		10-13	3
		6-9	2
		≤5	1
	≥ 12+0		1
39+0 - 39+6 Ideally 13 visits^a	≤ 11+6	≥ 15	4
		11-14	3
		7-10	2
		≤ 6	1
	≥ 12+0		1
40+0 - 40+6 Ideally 14 visits^a	≤ 11+6	≥ 16	4
		12-15	3
		7-11	2
		≤ 6	1
	≥ 12+0		1
41+0 - 41+6 Ideally 15 visits^a	≤ 11+6	≥ 17	4
		12-16*	3
		8-11	2
		≤ 7	1
	≥ 12+0		1