Table 1.
Baseline characteristics between cases and controls
| Subject status as case or control | P‐value | ||
|---|---|---|---|
| Control (N = 490) | Case (N = 312) | ||
| Childs age at disease onset (median [IQR]) | ‐ [‐, ‐] | 15.0 [12.6, 16.4] | |
| Childs age at consent (median [IQR]) | 15.0 [12.1, 17.4] | 15.7 [13.6, 17.3] | 0.06a |
| Sex | |||
| Male | 213 (43%) | 117 (38%) | 0.09b |
| Female | 277 (57%) | 195 (63%) | |
| Race | |||
| White | 323 (68%) | 206 (71%) | 0.64b |
| Black | 81 (17%) | 45 (15%) | |
| Asian | 28 (6%) | 12 (4%) | |
| Other | 42 (9%) | 28 (10%) | |
| Ethnicity | |||
| Hispanic or Latino | 92 (19%) | 93 (30%) | <0.001b |
| Not Hispanic or Latino | 387 (79%) | 207 (66%) | |
| Unknown or Not Reported | 11 (2%) | 12 (4%) | |
| Biological mothers highest level of education | |||
| None | 27 (6%) | 36 (12%) | <0.001b |
| High School or Associate's | 215 (47%) | 163 (56%) | |
| Bachelor's or Graduate | 220 (48%) | 94 (32%) | |
| Residence ZIP code only in an urban area | |||
| No | 260 (56%) | 190 (65%) | 0.010b |
| Yes | 207 (44%) | 102 (35%) | |
a
Kruskal–Wallis test.
b
Chi‐squared test of no association.