1
|
Age 3 up to 4 years
|
383
|
0.88 (0.55–1.39)
|
0.59
|
0.74 (0.34–1.58)
|
0.43
|
2
|
Male sex
|
383
|
1.05 (0.64–1.61)
|
0.84
|
1.88 (0.98–3.58)
|
0.056
|
3
|
Low birth weight
|
383
|
1.01 (0.53–1.92)
|
0.96
|
1.62 (0.66–3.95)
|
0.29
|
4
|
Not exclusively breast fed
|
383
|
0.34 (0.05–2.44)
|
0.27
|
11.05 (0.89–137.21)
|
0.06
|
5
|
Introduced to formula milk before 6 months
|
301
|
0.54 (0.32–0.92)
|
0.022
|
0.39 (0.19–0.83)
|
0.014
|
6
|
Ethnicity- Sinhalese
|
383
|
0.96 (0.57–1.61)
|
0.87
|
0.67 (0.31–1.46)
|
0.32
|
7
|
Having siblings
|
383
|
0.93 (0.55–1.58)
|
0.79
|
0.88 (0.42–1.87)
|
0.75
|
8
|
Attending preschool
|
383
|
0.83 (0.52–1.31)
|
0.43
|
1.09 (0.50–2.38)
|
0.82
|
9
|
Food allergy present
|
383
|
1.44 (0.75–2.74)
|
0.26
|
2.54 (0.92–7.02)
|
0.07
|
10
|
Having eczema
|
383
|
1.32 (0.55–3.13)
|
0.53
|
0.39 (0.09–1.67)
|
0.21
|
11
|
Food allergy in family
|
383
|
1.83 (1.01–3.31)
|
0.044
|
1.43 (0.54–3.78)
|
0.47
|
12
|
Eczema in family
|
383
|
2.35 (0.85–6.51)
|
0.08
|
4.07 (0.87–18.96)
|
0.07
|
13
|
Maternal asthma
|
383
|
8.88 (5.26–14.99)
|
p < 0.001
|
11.21 (5.64–22.29)
|
p < 0.001
|
14
|
Paternal asthma
|
383
|
6.58 (3.69–11.73)
|
p < 0.001
|
7.98 (3.64–17.49)
|
p < 0.001
|
15
|
Pets at home
|
383
|
1.56 (0.85–2.86)
|
0.14
|
0.98 (0.43–2.25)
|
0.97
|
16
|
Place of sleep (hardboard/bare floor/mat)
|
383
|
1.64 (1.005–2.688)
|
0.047
|
1.17 (0.57–2.42)
|
0.66
|
17
|
Unsatisfactory ventilation in sleeping area
|
383
|
2.42 (1.49–3.85)
|
p < 0.001
|
4.38 (2.16–8.89)
|
p < 0.001
|
18
|
Use of bed nets
|
383
|
1.71 (1.008–2.904)
|
0.045
|
1.25 (0.58–2.65)
|
0.57
|
19
|
Play with soft toys
|
383
|
2.14 (1.33–3.43)
|
0.001
|
2.65 (1.35–5.18)
|
0.004
|
20
|
Tendency of mould formation
|
383
|
2.20 (1.37–3.52)
|
0.001
|
1.54 (0.79–2.99)
|
0.19
|
21
|
Use of mosquito coils
|
383
|
2.38 (1.46–3.88)
|
p < 0.001
|
1.95 (0.95–4.03)
|
0.07
|
22
|
Daily light incense sticks
|
383
|
0.91 (0.56–1.43)
|
0.65
|
0.72 (0.37–1.39)
|
0.33
|
23
|
Place of cooking combined with living area
|
383
|
2.25 (1.42–3.69)
|
p = 0.001
|
2.75 (1.09–6.95)
|
0.03
|
24
|
Unclean fuel usage
|
378
|
1.69 (1.06–2.71)
|
0.027
|
1.11 (0.56–2.18)
|
0.77
|
25
|
Unsatisfactory ventilation in kitchen
|
370
|
1.60 (1.002–2.572)
|
0.050
|
1.25 (0.67–1.94)
|
0.16
|
26
|
Father ever smoked
|
383
|
1.64 (1.02–2.62)
|
0.038
|
1.09 (0.55–2.15)
|
0.80
|
27
|
Higher exposure to vehicle emissions
|
383
|
1.19 (0.75–1.90)
|
0.46
|
1.17 (0.60–2.27)
|
0.64
|
28
|
Having work place/industry
|
383
|
1.87(1.16–3.01)
|
0.010
|
1.27 (0.66–2.45)
|
0.47
|