Predictors of serum 25(OH)D3 (nmol/L) expressed as percentage change per defined unit change in the explanatory variablea.

aOnly Inuit in the IHIT-study reporting a realistic energy intake were included in the analyses (n = 2570).bA participant was perceived as fully Inuit if he/she reported him/her-self to be Inuit and to have four Inuit grandparents, and as partly Inuit if 1–3 of the grandparents were not Inuit.cWork that presupposes a medium-long education (white collar employees).dStudents, individuals receiving transfer payment, unemployed and stay-at-home individuals.eVitamin D or multivitamins.fTraditional food was defined as seal, blubber (boiled or frozen), white whale, other whales, walrus, mattak (whale skin), offal from seal, cod, halibut, capelin, trout, dried fish and other fish.gWinter: January + February; Spring: March-May; Summer: June + August; Autumn: September + October. Blood samples (and thereby vitamin D measurements) were not available from July, November and December due to summer annual leave and rough weather conditions during winter.Predictors of serum 25(OH)D3 (nmol/L) expressed as percentage change per defined unit change in the explanatory variablea.