Table 1. Comparison of 3 Community-Based Samples.
| Characteristic | Participants, No. (weighted %) | ||
|---|---|---|---|
| Duke Preschool Anxiety Study (N =918) | Great Smoky Mountains Study (N =1420) | Caring for Children in the Community Study (N =920) | |
| Observations, No. | 918 | 11 230 | 1627 |
| Informant | Parent report | Parent and self-report | Parent and self-report |
| Age, mean (SD) [range], y | 3.9 (1.3) [2.0-6.0] | 17.5 (6.2) [9.0-30.0] | 14.2 (3.4) [9.0-17.0] |
| Sex | |||
| Female | 451 (51.8) | 630 (49.2) | 438 (50.0) |
| Male | 467 (48.2) | 790 (50.8) | 438 (50.0) |
| Race and ethnicitya | |||
| African American | 388 (37.5) | 88 (6.4) | 541 (53.8) |
| American Indian | NA | 349 (3.8) | NA |
| White | 395 (62.1) | 983 (89.8) | 335 (41.0) |
| Otherb | 1 (0.5) | NA | 44 (5.2) |
| Interview | Preschool Age Psychiatric Assessment | Child and Adolescent Psychiatric Assessment and Young Adult Psychiatric Assessment | Child and Adolescent Psychiatric Assessment |
Abbreviation: NA, not applicable.
a
Race and ethnicity for participants was reported by parents for all studies.
b
Other includes Asian and Hispanic.