Table 3.

Prevalence of MMc by parity, as a proportion of all measurements

Parity	Number of observations	Prevalence, n (%)	Adjusted*
			OR (95% CI)	P
All samples
1	36	12 (33)	1.0
2	50	3 (6)	0.11 (0.03-0.42)	0.001
3, 4**	14	0
Samples < 12 months postpartum
1	28	10 (36)
2	21	1 (5)
3,4	2	0
Samples ≥ 12 months postpartum
1	8	2 (25)
2	29	2 (7)
3,4	12	0

^*Adjusted for age at draw date.

^**Parity 2-4 modeled as a single category.