Table 1. Descriptive Statistics for Young and Older Adolescents.

		Total Sample		13- to 16-Year-Olds		17- to 19-Year-Olds
Demographic Variable	M/SD/Mdn	n	%	n	%	n	%
Age (years)	(M/SD = 17.9/1.43)	(N = 193)		(n = 31)		(n = 162)
13	Mdn = 18.00	3	1.5	3	9.7	—	—
14		4	2.1	4	12.9	—	—
15		11	5.7	11	35.5	—	—
16		13	6.7	13	41.9	—	—
17		12	6.2	—	—	12	7.4
18		65	33.8	—	—	65	40.1
19		85	44.0	—	—	85	52.5
Gravidity	(M/SD = 1.41/0.68)	(N = 184)		(n = 31)		(n =153)
1	Mdn = 1.00	126	68.5	28	90.3	98	64.1
2		42	22.9	3	9.7	39	25.4
3		14	7.6	—	—	14	9.2
4		2	1.0	—	—	2	1.3
Parity	(M/SD = 1.300/0.581)	(N = 182)		(n = 31)		(n = 151)
1	Mdn = 1.000	136	74.6	30	96.8	106	70.2
2		38	21.0	1	3.2	37	24.5
3		6	3.3	—	—	6	4.0
4		2	1.1	—	—	2	1.3
Ethnicity/race		(N = 190)		(n = 31)		(n = 159)
Latina		113	59.5	22	71.0	91	57.3
Black		50	26.3	7	22.5	43	27.0
White		24	12.6	2	6.5	22	13.8
Asian		1	0.5	—	—	1	0.6
Other		2	1.1	—	—	2	1.3
Marital status		(N = 183)		(n = 31)		(n = 152)
Married		31	16.9	1	3.2	31	20.3
Single		151	82.6	30	96.8	121	79.7
Other		1	0.5	—	—	—	—
Education	(M/SD = 11.37/1.41)	(N = 165)		(n = 26)		(n = 139)
7th–12th grades	Mdn = 12.00	127	76.9	26	100	101	72.7
High school graduate or college		38	23.1	—	—	38	27.3