TABLE 3.

Association of Assigned Trajectory Group Membership to Sociodemographic Characteristics and Health Outcomes

Characteristic	Assigned Trajectory Group
	Persistent High (n = 123 [6.6%])		High–Low (n = 89 [4.8%])		Mid–High (n = 616 [33.3%])		Middle (n = 900 [48.6%])		Low–Lower (n = 123 [6.6%])		Pa
	N	%	N	%	N	%	N	%	N	%
Gender											.08
Female	57	5.9	52	5.4	299	31.1	481	50.1	71	7.4
Male	66	7.4	37	4.2	317	35.6	419	47.0	52	5.8
Race/ethnicity											.004
Non-Hispanic white	61	6.6	33	3.6	335	36.4	441	47.9	50	5.4
Non-Hispanic black	62	6.7	56	6.0	281	30.2	459	49.3	73	7.8
Highest parent education											<.001
High school or less	20	5.3	21	5.6	85	22.7	207	55.2	42	11.2
Some college	19	4.2	32	7.1	114	25.3	248	55.1	37	8.2
College graduate	17	4.0	26	6.1	166	38.9	195	45.7	23	5.4
Professional degree	49	15.7	2	0.6	157	50.3	102	32.7	2	0.6
At time of last phase 2 visitb
Lived with parent	20	16.3	26	29.2	103	16.7	158	17.6	23	18.7	.07
Lived alone	11	8.9	18	20.2	45	7.3	52	5.8	14	11.4	<.001
Married	5	4.1	4	4.5	19	3.1	28	3.1	1	0.08	.54
Had a child	7	5.7	7	7.9	24	3.9	36	4.0	10	8.1	.11
No longer a student	8	6.5	12	13.5	32	5.2	51	5.7	10	8.1	.032
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Baseline household incomec	92.2	53.3	52.4	34.3	81.8	49.3	56.0	39.5	36.0	25.7	<.001
Health outcomes
Baseline BMI z score	0.52	0.97	0.94	0.97	0.65	1.00	0.77	1.04	0.67	1.02	.007
Baseline CESD	13.3	9.7	15.6	8.3	13.4	8.7	14.9	8.6	18.6	10.1	<.001
Phase 2 BMIb	25.5	4.6	29.1	8.7	26.5	6.6	28.5	8.4	27.7	5.9	.002
Phase 2 CESDb	10.7	10.1	16.2	10.5	10.7	8.6	12.7	8.8	15.8	11.7	<.001

^aP values derived from the χ² test or the Kruskal-Wallis test, as appropriate.

^bPhase 2, N = 816.

^cPost hoc tests from analysis of variance by using Scheffé’s test.