Model 1

Model 2

Model 3

OR

95%CI

OR

95%CI

OR

95%CI

Boys vs. girls

1.28

0.91 - 1.81

1.28

0.91 - 1.81

1.29

0.91 - 1.82

Athens vs. Thessaloniki

0.92

0.63 - 1.34

0.92

0.63 - 1.34

1.04

0.68 - 1.58

Parents with academic education

0.79

0.54 - 1.15

0.79

0.54 - 1.16

0.79

0.53 - 1.16

Preterm

0.94

0.58 - 1.52

0.94

0.58 - 1.52

0.95

0.58 - 1.55

Maternal history of eczema

1.74

1.08 - 2.79^*

1.84

1.14 - 2.97^*

1.77

1.09 - 2.88^*

Paternal history of eczema

2.17

1.30 - 3.62^*

2.16

1.29 - 3.61^*

2.24

1.33 - 3.75^*

Sensitization to perennial

0.97

0.54 - 1.77

0.99

.54 - 1.80

0.96

0.52 - 1.75

Dampness and visible mould

1.9

1.20 - 3.00^*

1.87

1.18 - 2.98^*

1.89

1.18 - 3.03^*

Breast feeding

1.04

0.69 - 1.57

1.06

0.70 - 1.60

Attending nursery school

1.10

0.67 - 1.82

1.08

0.65 - 1.79

Mother smoking habits

1.12

0.78 - 1.61

1.10

0.76 - 1.58

Bedroom sharing

0.85

0.56 - 1.28

0.86

0.57 - 1.30

Pets in house

1.21

0.70 - 2.08

1.27

0.73 - 2.20

Contact with farm animals

0.29

0.03 - 2.19

0.32

0.04 - 2.42

Use of air condition

1.27

0.72 - 2.23

Central heating

1.09

0.74 - 1.59

Use fitted carpets in bedrooms

1.18

0.82 - 1.69

Use foam pillows

1.15

0.69 - 1.94

Use synthetic fiber pillows

0.80

0.45 - 1.41

Use feather pillows

1.00

0.65 - 1.54

Use synthetic quilts for bedding

0.79

0.48 - 1.28

Use feather quilts for bedding

0.56

0.28 - 1.09

Use blankets for bedding

0.50

0.32 - 0.78^*