Table 1:

Demographic Data for Study Participants (n=1643)

	Hormonal contraceptive usea
	Current (n=460)	Former (n=951)	Never (n=232)
Age at enrollment, y (mean ± SD; range)b	28.8 ± 3.3; 23–35	29.6 ± 3.5; 23–35	28.4 ± 3.4; 23–35
Body mass index, kg/m2 (mean ± SD; range)	32.2 ± 8.6; 17.8–68.3	34.1 ± 9.7; 15.9–79.4	35.0 ± 10.9; 17.5–72.9
AMH, ng/mL (median, IQR)	3.56 (3.8)	4.23 (4.8)	4.71(4.3)
AMH, ng/mL (range)	<0.002–26.0	<0.002–55.7	0.04–22.2
Education (%)
High school/GED or less	15.7	23.2	29.7
Some college, associate’s, or technical degree	50.7	50.9	44.8
Bachelor’s or graduate degree	33.7	25.8	25.4
Income (%)
Less than $20,000	37.6	48.1	52.6
$20,000–50,000	40.4	36.3	29.7
More than $50,000	21.7	14.8	16.4
Current smoker (%)	11.5	22.0	23.3
History of polycystic ovarian syndrome (%)	2.2	4.1	1.3
History of abnormal menstrual bleeding (%)	9.6	12.5	10.3
History of thyroid condition (%)	2.4	3.5	1.7
History of seeking care for difficulty conceiving (%)	2.6	7.5	5.6
History of previous birth (%)	67.6	64.1	34.9
Number of pregnancies (mean ± SD; range)c	2.9 ± 1.8; 1–15	3.3 ± 2.1; 1–13	2.5 ± 1.9; 1–13

SD=standard deviation, IQR=interquartile range

^aIncludes users of COC, ring, DMPA, implant, patch and LNG-IUD

^bWomen ages 23–34 were recruited, but some women had turned 35 by the time that all baseline activities and enrollment were completed.

^cAmong gravid women (n=356 current users, n=738 former users, n=112 never users)