TABLE 1.

Selected Demographic Characteristics, by Total Sample (N = 932), 6- and 12-Month Subsamples (n = 636), and Race/Ethnicity: Texas, 1993–1998

	Total Study Population, Mean (SD) or %	6- and 12-Month Subsamples, Mean (SD) or %	White, Mean (SD) or %	African American, Mean (SD) or %	Mexican American, Mean (SD) or %	P
Age, y	16.8 (1.165)	16.76 (1.17)	16.95 (1.08)	16.55 (1.267)	16.78 (1.13)	.002
Education, y	9.56 (1.72)	9.58 (1.73)	10.06 (1.496)	9.67 (1.47)	9.07 (1.987)	< .001
Gravidity > 1	27.2	26.3	28.3	23.6	27.0	.531
Parity > 1	16.6	15.9	13.6	17.5	16.4	.554
Race/ethnicity						…
Mexican American	37.6	35.5	0	0	100
African American	32.3	33.3	0	100	0
White	30.2	31.1	100	0	0
Spanish survey	10	8.5	0	0	23.9	< .001
Living with parent(s) at delivery	53.1	55.8	52.0	67.0	48.7	< .001
Living with partner at delivery	40.6	39.3	53.0	9.4	55.3	< .001
School status at delivery
Enrolled in school or graduated	26.4	26.1	37.9	14.7	26.0	< .001
Dropped out before conception	24.0	21.3	22.2	9.0	32.3
Dropped out during pregnancy	49.6	52.5	39.2	76.3	41.7
Own mother graduated high school or has GED	75.0	75.4	51.4	74.7	28.3	< .001
Feels like has enough money to live	87.5	88.5	92.9	89.2	84.1	.017
Planned pregnancy	19.0	17.8	17.7	9.4	25.7	< .001

Note. GED = general equivalency diploma. P values are for comparisons among racial/ethnic subgroups of White, African American, and Mexican American adolescent mothers. For Whites, n = 198; for African Americans, n = 212; for Mexican Americans, n = 226.