Table 2.

Descriptive characteristics of participants^{^}, overall and among the cohort^*

	3-months Postpartum		12-months Postpartum		Cohort*
	(n=181)		(n=204)		(n=80)
	n	%	n	%	n	%
Age in years
<20	2	1	1	0	0	0
20-29	79	44	59	29	32	40
≥30	100	55	144	71	48	60
Marital status
Not married	27	15	20	10	7	9
Married	154	85	184	90	73	91
Race/Ethnicity (assessed once during pregnancy)
Nonhispanic White	133	73	167	82	64	80
Nonhispanic Black	32	18	21	10	8	10
Other	16	9	16	8	8	10
Education in years (assessed once during pregnancy)
<=12	25	14	25	12	11	14
13-15	41	23	34	17	16	20
>=16	115	64	145	71	53	66
General health (assessed once during pregnancy)
Excellent	68	38	73	36	26	33
Very Good	73	40	87	43	31	39
Good	31	17	35	17	18	23
Fair/Poor	9	5	9	4	5	6
Body mass index (kg/m^2)
Low (<18.5)	0	0	6	3	0	0
Normal (18.5 to <25.0)	72	40	112	55	34	43
Overweight (25.0 to <30.0)	54	30	45	22	23	29
Obese (>=30.0)	55	30	41	20	23	29
Parity (assessed once during pregnancy)
0	87	48	101	50	38	48
1	65	36	71	35	27	34
2	20	11	24	12	11	14
3+	9	5	8	4	4	5
Number of children in home
1	82	45	94	46	37	46
2	72	40	78	38	29	36
3+	27	15	32	16	14	18
Working status
Not employed	94	52	68	33	40	50
Employed	87	48	136	67	40	50
Breastfeeding
No	60	33	144	71	21	26
Yes	121	67	60	29	59	74

^{^}Measures were from 3-month postpartum interview unless indicated otherwise.

^*The cohort was defined as participants that completed the accelerometer portion of the study at both 3- and 12-months postpartum.