Skip to main content

Table 2 Duration of sun exposure, eating habits, vitamin D supplement during breast feeding and place of residence in the asthmatic and control group children

From: Childhood asthma and vitamin D deficiency in Turkey: is there cause and effect relationship between them?

 

Groups (n = 170)

 

Asthma group (n = 85)

Control group (n = 85)

Characteristics

<20 ng/ml n (%)

20-29 ng/ml n (%)

≥30 ng/ml n (%)

<20 ng/ml n (%)

20-29 ng/ml n (%)

≥30 ng/ml n (%)

Duration of sun exposure

 

Groups (n = 170)

0-15 min

20 (76.9)

2 (7.7)

4 (15.4)

1 (50.0)

0 (0.0)

1 (50.0)

16-30 min

23 (71.9)

7 (21.9)

2 (6.2)

7 (46.7)

1 (6.7)

7 (46.7)

31-60 min

8 (42.1)

9 (47.4)

2 (10.5)

14 (31.1)

17 (37.8)

14 (31.1))

61 min and +

6 (75.0)

2 (25.0)

0 (0.0)

8 (34.8)

7 (30.4)

8 (34.8)

p

0.07

0.001

Eating habits

  

D vitamin insufficient

30 (76.9)

5 (12.8)

4 (10.3)

13 (61.9)

4 (19.0)

4 (19.0)

D vitamin sufficient

27 (58.7)

15 (32.6)

4 (8.7)

17 (26.6)

21 (32.8)

26 (40.6)

p

0.04

0.013

Vitamin D supplement

  

No intake

44 (73.3)

15 (32.6)

4 (8.7)

24 (32.0)

23 (30.7)

28 (37.3)

Intake

13 (52.0)

12 (20.0)

4 (6.7)

6 (60.0)

2 (20.0)

2 (20.0)

p

0.141

0.302

Place of residence

  

Urban

41 (70.7)

11 (19.0)

6 (10.3)

19 (30.6)

18 (29.0)

25 (40.3)

Rural

16 (59.3)

9 (13.3)

2 (7.4)

11 (47.8)

7 (30.4)

2 (21.7)

p

 

0.342

  

0.245