Table 4 Adjusted risk factors for current asthma, current rhinitis and current eczema

Age (years)

60–77

1

1

1

40–59

1.00 (0.61–1.63)

0.88 (0.64–1.23)

1.51 (0.95–2.38)

18–39

0.73 (0.39–1.37)

0.92 (0.61–1.41)

0.88 (0.49–1.57)

Sex

Men

1

1

1

Women

1.77 (1.15–2.70)

0.91 (0.69–1.21)

1.71 (1.17–2.51)

Family history

None

1

1

1

Asthma

1.29 (0.55–3.04)

0.61 (0.34–1.10)

1.45 (0.72–2.94)

Rhinitis

1.16 (0.66–2.03)

2.58 (1.79–3.72)

1.25 (0.77–2.04)

Both

4.33 (2.57–7.30)

2.76 (1.77–4.31)

1.61 (0.94–2.76)

Occupational exposure to GDF

No

1

1

1

Yes

1.85 (1.20–2.87)

1.03 (0.76–1.41)

2.08 (1.40–3.08)

Raised on a farm

No

1

1

1

Yes

0.96 (0.52–1.77)

0.64 (0.42–0.96)

0.51 (0.27–0.99)

Body mass index

Normal

1

1

1

Underweight

0.95 (0.36–2.55)

1.42 (0.74–2.71)

1.00 (0.44–2.30)

Overweight

1.04 (0.65–1.67)

1.04 (0.77–1.41)

1.02 (0.68–1.54)

Obese

1.95 (1.13–3.36)

2.30 (1.53–3.46)

1.34 (0.80–2.24)

Allergic sensitization

No

1

1

1

Yes

4.11 (2.71–6.25)

5.11 (3.77–6.93)

1.26 (0.85–1.85)

Number of siblings

0

1

1

1

1

3.09 (1.25–7.63)

1.16 (0.74–1.81)

0.72 (0.42–1.24)

2 or more

2.51 (1.02–6.15)

1.15 (0.74–1.79)

0.55 (0.32–0.94)

Childhood daycare

No

1

1

1

Yes

0.92 (0.59–1.44)

1.11 (0.81–1.52)

1.40 (0.94–2.10)