Cohort characteristics
| Characteristic | No. (%) of children in younger cohort (aged 2–10 yr) | No. (%) of children in older cohort (aged 9–17 yr) | ||
|---|---|---|---|---|
| Screening n = 1972 | No screening n = 44 198 | Screening n = 8158 | No screening n = 32 768 | |
| Sex | ||||
| Male | 1146 (5.1) | 21 546 (94.9) | 4024 (19.1) | 16 992 (80.1) |
| Female | 826 (3.5) | 22 652 (96.5) | 4134 (20.8) | 15 776 (79.2) |
| Rurality | ||||
| Rural | 177 (2.6) | 6585 (97.4) | 863 (13.7) | 5429 (86.3) |
| Nonrural | 1795 (4.6) | 37 611 (95.4) | 7195 (20.8) | 27 339 (79.2) |
| Age at initial lipid screening, yr, median (IQR) | 8 (6–10) | NA | 15 (13–16) | NA |
Note: IQR = interquartile range, NA = not applicable.