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Table 1- General characteristics and vitamin D status in the study population (n = 2596)

From: Association of Vitamin D Concentrations with subjective health complaints in children and adolescents: the CASPIAN-V study

Variables

Gender

P-value*

Girl

n (%)

Boy

n (%)

 

Age (years)

 7–12

672 (57.6)

748 (52.3)

0.007

 13–18

494 (42.4)

682 (47.7)

 

Location

 Urban

828 (71)

1022 (71.5)

0.798

 Rural

338 (29)

408 (28.5)

 

Socioeconomic status

 Poor

403 (36.6)

405 (29.4)

< 0.001

 Good

331 (30.1)

496 (36)

 

 Well

366 (33.3)

477 (34.6)

 

Physical activity

 High

461 (39.7)

647 (45.4)

0.004

 Low

699 (60.3)

777 (54.6)

 

 Screen time

  ≤ 2 h

985 (86.4)

1179 (84.8)

0.242

  > 2 h

155 (13.6)

212 (15.2)

 

Vitamin D Status (ng/mL)

  

0.182

  < 10

132 (11.3)

142 (9.9)

 

 10–30

682 (58.5)

886 (62.0)

 

  > 30

352 (30.2)

402 (28.1)

 
  1. * Chi square for qualitative and t-test for quantitative variables