TABLE 1.
Demographics of study populations
| Study populations | |
|---|---|
| SCF genotyping (n = 363) | |
| Sex, n | |
| Male | 127 (35.0%) |
| Female | 236 (65.0%) |
| YK genotyping (n = 350) | |
| Sex, n | |
| Male | 163 (46.6%) |
| Female | 187 (53.4%) |
| HLM set (n = 319) | |
| Age, years a | |
| Mean ± SD | 39.6 ± 22.2 |
| Range | 0–87 |
| Sex, n | |
| Male | 185 (58.0%) |
| Female | 129 (40.4%) |
| Unknown | 5 (1.6%) |
| Race/ethnicity, n | |
| European | 288 (90.3%) |
| African | 5 (1.6%) |
| Asian | 1 (0.3%) |
| Hispanic | 1 (0.3%) |
| Unknown | 24 (7.5%) |
| YK vitamin D hydroxylation (n = 526) | |
| Sex, n | |
| Male | 282 (53.6%) |
| Female | 244 (46.4%) |
Abbreviations: HLM: human liver microsome; SCF, Southcentral Foundation; YK, Yukon Kuskokwim.
a
Age was recorded in years for all subjects and an age of zero was given to donors under 1 year old; more granular data (e.g., weeks, months) were not available.