Table 2 Logistic regression (univariate and multivariate) for obesity (BMI > =30) in 2003

Asthma 1998

No

16,485

1.0

1.0

Yes

612

1.27

1.02–1.58

1.26

0.95–1.65

0.035

0.106

Gender 1998

Women

10,410

1.0

1.0

Men

6712

1.15

1.05–1.26

1.19

1.07–1.33

0.020

0.002

Physical work load 1998

Very light

5690

1.0

1.0

0.029

Light

1965

0.89

0.76–1.05

0.163

Moderate

4694

1.04

0.93–1.16

0.540

Heavy

1076

1.23

1.03–1.48

1.04

0.99–1.09

0.024

0.153

Age group 1998

20–24

4447

1.0

1.0

< 0.001

30–34

3965

1.36

1.18–1.57

< 0.001

40–44

4216

1.65

1.44–1.89

< 0.001

50–54

4494

2.27

2.27–2.58

1.25

1.19–1.32

< 0.001

< 0.001

Smoking 1998

Non-smoker

7549

1.0

1.0

Ex-smoker

4376

1.32

1.18–1.47

< 0.001

Current smoker

3811

1.21

1.08–1.36

1.08

1.01–1.15

0.001

0.033

Beck depression

Healthy (0–9)

13,991

1.0

1.0

< 0.001

scale 1998

Mild depression (10–17)

2252

1.58

1.40–1.78

< 0.001

Moderate depression (18 or more)

763

2.57

2.17–3.05

1.44

1.30–1.58

< 0.001

< 0.001