Table 1.
Table showing differences in key demographic and cognitive variables between the included and excluded samples at baseline.
| Included Sample (Baseline) | Excluded Sample (Baseline) | Effect size | |
|---|---|---|---|
| N=7385 | N=4493 | ||
| Sex | Φ = .04 | ||
| Female | 3656 (49.5%) | 2026 (45.1%) | |
| Male | 3729 (50.5%) | 2467 (54.9%) | |
| Race | Φ = .18 | ||
| White | 4259 (57.7%) | 1925 (42.8%) | |
| Black | 787 (10.7%) | 998 (22.2%) | |
| Hispanic | 1414 (19.1%) | 997 (22.2%) | |
| Asian | 165 (2.2%) | 89 (2.0%) | |
| Other | 760 (10.3%) | 487 (10.8%) | |
| M(SD) | M(SD) | ||
| Age (Months) | 120 (7.52) | 118 (7.33) | d = .24 |
| Family Income Deciles | 7.6 (2.2) | 6.6 (2.7) | d = .38 |
| 1. Less than $5,000 | 151 (2.0%) | 266 (5.9%) | |
| 2. $5,000 through $11,999 | 194 (2.6%) | 227 (5.1%) | |
| 3. $12,000 through $15,999 | 138 (1.9%) | 136 (3.0%) | |
| 4. $16,000 through $24,999 | 273 (3.7%) | 251 (5.6%) | |
| 5. $25,000 through $34,999 | 355 (4.8%) | 299 (6.7%) | |
| 6. $35,000 through $49,999 | 541 (7.3%) | 393 (8.7%) | |
| 7. $50,000 through $74,999 | 944 (12.8%) | 555 (12.3%) | |
| 8. $75,000 through $99,999 | 1061 (14.4%) | 511 (11.4%) | |
| 9. $100,000 through $199,999 | 2325 (31.5%) | 990 (22.0%) | |
| 10. $200,000 and greater | 885 (12.0%) | 365 (8.1%) | |
| Refuse to answer | 278 (3.8%) | 234 (5.2%) | |
| Don’t Know | 240 (3.2%) | 264 (5.9%) | |
| Pubertal Development | 1.73 (0.86) | 1.79 (0.88) | d = −.07 |
| ADI | 91.4 (24.4) | 94.9 (25.4) | d = −.14 |
| Internalizing Symptoms | 48.20 (10.4) | 48.90 (11.0) | d = −.06 |
| Neighborhood Safety | 3.96 (0.93) | 3.77 (1.04) | d = .19 |
| Parental Acceptance | 2.79 (0.29) | 2.77 (0.32) | d = .06 |
Note: Unless specified otherwise, each cell refers to the N of that group and the percentage that group composes of the given variable within either the included or excluded sample. Positive effects refer to higher mean scores for the included sample; negative effects refer to higher mean scores for the excluded sample.