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Table 1 Demographic Data of Subjects in Groups according to the LogVitDBP into "normal" range group (middle two quartiles), low subgroup (first quartile), and the high subgroup (fourth quartile)

From: Longitudinal assessment of salivary vitamin D binding protein during orthodontic tooth movement

  Low Normal High
Age (years) 22.78 ± 7.89 20.05 ± 11.74 23.72 ± 12.39
Gender    
Male 9 (12.33%) 15 (20.55%) 6 (8.22%)
Female 9 (12.33%) 22 (30.14%) 12 (16.44%)
Race    
African American 8 (10.96%) 12 (16.44%) 7 (9.59%)
Asian 0 4 (5.48%) 2 (2.74%)
Caucasian 2 (2.74%) 11 (15.07%) 4 (5.48%)
Hispanic 8 (10.96%) 10 (13.7%) 5 (6.85%)