Table 1 Characteristics of the individuals included in the discovery and replication stages.
From: Identification of a novel locus associated with skin colour in African-admixed populations
Characteristics | Discovery sample | Replication sample | p-value |
---|---|---|---|
Hispanics/Latinos (n = 285) | African Americans (n = 373) | ||
Gender (% male) | 47 | 45 | 0.515a |
Mean age (years) (P25–P75) | 15 (13–17) | 15 (12–18) | 0.590b |
Mean melanin index ± SD | 45.8 ± 6.8 | 71.9 ± 13.5 | <0.001b |
Mean genetic ancestry (%) | |||
European | 66.8 | 19.1 | <0.001b |
African | 22.8 | 80.9 | <0.001b |
Native-American | 10.4 | NA | NA |