Table 3 Univariate analysis for the chemical intolerance of mothers

  18–29

Ref.

  30–39

1.18 (0.68–2.07)

  40–49

1.69 (0.71–4.05)

  p for trend

0.497

  Low weight

Ref.

  Normal weight

0.81 (0.47–1.41)

  Obesity

1.02 (0.44–2.34)

  p for trend

0.672

  Homemaker

Ref.

  Part-time employed

1.39 (0.82–2.35)

  Employed

1.59 (0.94–2.70)

  Others

–

 Smoking history (with)

0.89 (0.56–1.41)

  Never

Ref.

  1–3 days a week

1.24 (0.76–2.03)

  4–6 days a week

1.20 (0.56–2.57)

  Everyday

0.35 (0.08–1.43)

  p for trend

0.348

 Regular exercise (with)

0.88 (0.54–1.45)

 Eating regular meals (with)

0.56 (0.33–0.93)*

 Sweaty (with)

1.33 (0.86–2.04)

 Cold sensitivity (with)

2.26 (1.29–3.97)**

  Hay fever

2.99 (1.94–4.62)***

  Allergic rhinitis

2.78 (1.80–4.29)***

  Allergic conjunctivitis

2.57 (1.56–4.23)***

  Alimentary allergy

3.84 (1.57–9.37)**

  Medication allergy

1.80 (0.54–5.96)

  Atopic dermatitis

2.66 (1.51–4.68)***

  Any allergies^b

3.07 (1.98–4.77)***

 Bronchial asthma

4.05 (2.24–7.33)***

 Empyema, sinusitis

1.54 (0.85–2.76)

 Chronic bronchitis

1.64 (0.21–12.71)

 Rheumatoid arthritis

–

 Gastric ulcer

2.29 (0.80–6.58)

 Multiple chemical sensitivity

–

 Sick building syndrome

–

  Reinforced

Ref.

  Wooden

1.43 (0.83–2.44)

  Combined with reinforced and wooden

2.13 (0.26–17.24)

  Wood

1.15 (0.75–1.78)

  Japanese tatami

1.30 (0.77–2.20)

  Carpet

1.25 (0.82–1.90)

  Plastics

1.28 (0.51–3.24)

 Spray of pesticide indoors (with)

1.52 (0.94–2.45)

 Use of mosquito coil indoors (with)

2.09 (0.90–4.84)

  Dog

1.51 (0.91–2.52)

  Cat

2.23 (1.27–3.92)**

  Dog

1.72 (0.94–3.16)

  Cat

0.75 (0.74–4.14)

 Nervous

1.40 (1.21–1.62)***

 Peaceful

0.83 (0.71–0.96)*

 Depressed feeling

1.27 (1.08–1.49)**

 Happiness feeling

0.86 (0.74–1.00)

 Discouraged

1.20 (0.99–1.44)