Table 1.
Key covariates across baseline and follow-up visits among participants in the P18 cohort study.
| Baseline (n = 600)* |
6 month (n = 460) |
12 month (n = 445) |
18 month (n = 428) |
||||
|---|---|---|---|---|---|---|---|
| % (n) | % (n) | p | % (n) | p | % (n) | p | |
| Race | |||||||
| White | 28.9 (173) | 30.3 (139) | 0.97 | 29.1 (129) | 0.81 | 27.7 (118) | 0.91 |
| Black | 14.9 (89) | 15.9 (73) | 16.0 (71) | 16.9 (72) | |||
| Hispanic | 38.3 (229) | 37.6 (172) | 38.8 (172) | 38.7 (165) | |||
| Asian | 4.8 (29) | 4.6 (21) | 5.6 (25) | 4.9 (21) | |||
| Mixed race | 9.4 (56) | 8.1 (37) | 7.0 (31) | 8.0 (34) | |||
| Other race | 3.7 (22) | 3.5 (16) | 3.4 (15) | 3.8 (16) | |||
| Perceived Familial SES | |||||||
| Lower | 33.5 (200) | 33.1 (152) | 0.82 | 32.0 (142) | 0.94 | 33.6 (143) | 0.87 |
| Middle | 37.1 (222) | 36.9 (169) | 39.3 (174) | 38.3 (163) | |||
| Upper | 29.5 (176) | 29.9 (137) | 28.7 (127) | 28.2 (120) | |||
Baseline data on race/ethnicity and SES are missing for n=2 participants yielding an analytic sample of n = 598