Table 1 BMI and serum levels of 25(OH)D3, retinol, zinc, and CRP among children and adolescents stratified by gender, age group, and living area

18.3 (3.8)

18.6 (3.7)

18.1 (3.9)

0.001

16.6 (2.9)

19.5 (3.5)

< 0.001

18.7 (4.1)

18.0 (3.4)

< 0.001

2.8 (0.7)

2.9 (0.7)

2.7 (0.7)

< 0.001

3.0 (0.7)

2.7 (0.7)

< 0.001

2.7 (0.7)

2.9 (0.7)

< 0.001

2.7 (0.6)

2.6 (0.6)

2.7 (0.5)

0.074

2.5 (0.6)

2.7 (0.5)

< 0.001

2.8 (0.5)

2.6 (0.6)

< 0.001

110.9 (42.6)

112.1 (41.)

109.7 (44.0)

0.148

114.7 (55.5)

108.6 (34.1)

< 0.001

107.0 (28.8)

114.9 (52.8)

0.001

1.0 (4.1)

1.2 (5.3)

0.8 (2.3)

0.042

0.9 (2.5)

1.0 (4.4)

0.707

1.1 (4.9)

0.9 (3.0)

0.339