Table 1.
Demographic, Socioeconomic, and Family History of ABCD Participants Based on Youth-Reported Suicidal Ideation and Suicide Attempts at Baseline
| Variables | ABCD | Suicidal Ideation | Suicide Attempts | ||
|---|---|---|---|---|---|
| All Samples (N = 11,878) | Cases (n = 1025) | Controls (n = 10,853) | Cases (n = 156) | Controls (n = 11,722) | |
| Age, Years, Mean (±SD) | 9.91 (±0.62) | 9.91 (±0.63) | 9.92 (±0.62) | 9.93 (±0.62) | 9.91 (±0.62) |
| Sex, Male, n (%) | 6196 (52.17) | 595 (57.99) | 5601 (51.62) | 89 (57.05) | 6107 (52.1) |
| Race, n (%) | |||||
| African American | 2269 (19.1) | 199 (19.4) | 2070 (19.08) | 47 (30.13) | 2222 (18.96) |
| Asian | 1113 (9.37) | 119 (11.6) | 994 (9.16) | 15 (9.62) | 1098 (9.37) |
| Othera | 800 (6.74) | 71 (6.92) | 729 (6.72) | 9 (5.77) | 791 (6.75) |
| White | 7695 (64.79) | 637 (62.09) | 7058 (65.04) | 85 (54.49) | 7610 (64.93) |
| Ethnicity, Hispanic, n (%) | 2410 (20.29) | 195 (19.01) | 2215 (20.41) | 40 (25.64) | 2370 (20.22) |
| Parental Education, n (%) | |||||
| < HS diploma/GED | 593 (4.99) | 45 (4.39) | 548 (5.05) | 8 (5.13) | 585 (4.99) |
| HS diploma/GED | 1132 (9.53) | 88 (8.58) | 1044 (9.62) | 22 (14.1) | 1110 (9.47) |
| Some college | 3079 (25.92) | 307 (29.92) | 2772 (25.55) | 62 (39.74) | 3017 (25.74) |
| Bachelor’s degree | 3029 (25.5) | 258 (25.15) | 2771 (25.54) | 37 (23.72) | 2992 (25.53) |
| Postgraduate degree | 4044 (34.05) | 328 (31.97) | 3716 (34.25) | 27 (17.31) | 4017 (34.27) |
| Household Income, n (%) | |||||
| < $50,000 | 3223 (27.14) | 297 (28.95) | 2926 (26.97) | 76 (48.72) | 3147 (26.85) |
| > $50,000 and < $100,000 | 4089 (34.43) | 377 (36.74) | 3712 (34.21) | 52 (33.33) | 4037 (34.44) |
| > $100,000 | 4565 (38.44) | 352 (34.31) | 4213 (38.83) | 28 (17.95) | 4537 (38.71) |
| Marital Status of Parents, Married, n (%) | 8087 (68.09) | 651 (63.45) | 7436 (68.53) | 77 (49.36) | 8010 (68.34) |
| Family History of Suicide, n (%) | 1827 (15.38) | 198 (19.3) | 1629 (15.01) | 42 (26.92) | 1785 (15.23) |
Demographic and family socioeconomic information was obtained from the ABCD Parent Demographics Survey data. Suicidality data were generated based on the youth version of the computerized Kiddie Schedule for Affective Disorders and Schizophrenia for DSM-5; detailed information for individual items is summarized in Table S1.
ABCD, Adolescent Brain Cognitive Development; GED, General Educational Development Test; HS, high school.
a
“Other” includes study participants who endorsed multiple races, American Indian and Alaska Native, Native Hawaiian and Other Pacific, or others.