TABLE 1.
Description of the Trajectory Analysis Sample and Phase 2 Subgroup
| Characteristic | Phase 2 | ||||||
|---|---|---|---|---|---|---|---|
| Trajectory Analysis Cohort (n = 1851) | Eligible (n = 1202) | Participated (n = 816) | Pa | ||||
| N | % | N | % | N | % | ||
| Female | 960 | 51.9 | 622 | 51.7 | 451 | 55.3 | <.001 |
| Non-Hispanic blackb | 931 | 50.3 | 537 | 44.7 | 355 | 43.5 | .23 |
| Highest parent education | .002 | ||||||
| High school or less | 375 | 20.3 | 268 | 22.3 | 158 | 19.4 | |
| Some college | 450 | 24.3 | 340 | 28.3 | 231 | 28.3 | |
| College graduate | 427 | 23.1 | 345 | 28.7 | 243 | 29.8 | |
| Professional degree | 312 | 16.9 | 249 | 20.7 | 184 | 22.5 | |
| Missing | 287 | 15.5 | 0 | 0 | 0 | 0 | |
| Obese year 1 | 367 | 19.8 | 229 | 19.1 | 158 | 19.4 | .69 |
| Mean | SD | Mean | SD | Mean | SD | ||
| Year 1 age, y | 14.7 | 1.7 | 14.5 | 1.6 | 14.5 | 1.7 | .18 |
| Household income ($1000)c | 65.5 | 47.8 | 67.4 | 45.4 | 70.3 | 46.6 | .003 |
| Baseline characteristics | |||||||
| SSS | 6.6 | 1.4 | 6.7 | 1.4 | 6.7 | 1.3 | .09 |
| BMI z score | 0.72 | 1.02 | 0.73 | 1.00 | 0.75 | 0.98 | .29 |
| CESD | 14.6 | 8.9 | 14.1 | 8.6 | 14.0 | 8.4 | .73 |
a
P value from Mann-Whitney U test or χ2 test as appropriate. P < .05 indicates difference between those eligible for Phase 2 and those who participated.
b
Reference: non-Hispanic white.
c
N = 268 missing income from the trajectory analysis cohort.