Skip to main content

Table 5 Vitamin D status, geographical origin and social environment

From: Epidemiology and risk factors of hypovitaminosis D in a cohort of internationally adopted children: a retrospective study

  Vitamin D Status  
Severe VDD (<  10 ng/mL) Moderate VDD (10–20 ng/mL) Mild VDD (20–30 ng/mL) Normal VD (>  30 ng/mL) p values
Macro-area (n = 859) Europe 24 (16.1%) 68 (45.6%) 39 (26.2%) 18 (12.1%) < 0.001
Latin America 31 (12.1%) 103 (40.2%) 85 (33.2%) 37 (14.5%)
Asia 34 (14.2%) 67 (30.1%) 73 (32.7%) 49 (22.0%)
Africa 18 (7.8%) 110 (47.6%) 79 (34.2%) 24 (10.4%)
Climatic zone (n = 859) Temperate 31 (12.2%) 102 (40.0%) 85 (33.3%) 37 (14.5%) 0.002
Subtropical 34 (20.5%) 68 (41.0%) 52 (31.3%) 12 (7.2%)
Tropical 42 (9.7%) 178 (40.6%) 139 (31.7%) 79 (18.0%)
Housing solution (n = 828) Foster home 8 (11.4%) 24 (34.4%) 19 (27.1%) 19 (27.1%) 0.008
Foster family 6 (9.2%) 37 (56.9%) 18 (27.7%) 4 (6.2%)
Orphanage 90 (13.0%) 275 (39.7%) 227 (32.8%) 101 (14.5%)
Season of first blood draw (n = 859) Spring 29 (15.2%) 94 (49.2%) 50 (26.2%) 18 (9.4%) < 0.001
Summer 3 (2.8%) 41 (38.3%) 56 (52.3%) 49 (45.8%)
Fall 18 (6.9%) 101 (39.0%) 103 (39.8%) 37 (14.3%)
Winter 57 (21.9%) 112 (43.1%) 67 (25.8%) 24 (9.2%)
  1. χ2-test was used to determine statistically significant relationships among categorical variables