Table 1.
Sample Demographics
| ABCD (N=11876) |
Sample (N=7693) |
|
|---|---|---|
|
| ||
| Sex | ||
| Female | 5680 (47.8%) | 3729 (48.5%) |
| Male | 6196 (52.2%) | 3964 (51.5%) |
|
| ||
| Felt-Gender* | ||
| Mean (SD) | 4.74 (0.595) | 4.72 (0.612) |
| Median [Min, Max] | 5.00 [1.00, 5.00] | 5.00 [1.00, 5.00] |
| Missing | 840 (7.1%) | 0 (0%) |
|
| ||
| Age (months) | ||
| Mean (SD) | 119 (7.50) | 119 (7.46) |
| Median [Min, Max] | 119 [107, 133] | 119 [107, 133] |
|
| ||
| Pubertal Development | ||
| Pre | 5837 (49.1%) | 3805 (49.5%) |
| Early | 2713 (22.8%) | 1765 (22.9%) |
| Mid/Late | 2854 (24.0%) | 1849 (24.0%) |
| Missing | 472 (4.0%) | 274 (3.6%) |
|
| ||
| Race* | ||
| White | 7517 (63.3%) | 5009 (65.1%) |
| Black | 1868 (15.7%) | 1060 (13.8%) |
| Multiracial (Black) | 649 (5.5%) | 401 (5.2%) |
| Multiracial (Non-black) | 785 (6.6%) | 508 (6.6%) |
| Other a | 874 (7.4%) | 597 (7.8%) |
| Missing | 183 (1.5%) | 118 (1.5%) |
|
| ||
| Ethnicity | ||
| Non-Hispanic | 9312 (78.4%) | 5989 (77.9%) |
| Hispanic | 2411 (20.3%) | 1611 (20.9%) |
| Missing | 153 (1.3%) | 93 (1.2%) |
|
| ||
| Parent Education* | ||
| < HS Diploma | 578 (4.9%) | 334 (4.3%) |
| HS orGED | 1110 (9.3%) | 643 (8.4%) |
| Some College | 3058 (25.7%) | 1922 (25.0%) |
| Bachelor | 3010 (25.3%) | 1963 (25.5%) |
| Post Graduate Degree | 4041 (34.0%) | 2777 (36.1%) |
| Missing | 79 (0.7%) | 54 (0.7%) |
*
Difference between research sample and ABCD Study sample is statistically significant at the p < 0.05 level.
a
The “Other” race/ethnicity category includes participants who were parent-identified as Asian Indian, Chinese, Filipino/a, Japanese, Korean, Vietnamese, Other Asian, American Indian/Native American, Alaska Native, Native Hawaiian, Guamanian, Samoan, Other Pacific Islander, or Other Race