Table 2 Effect of all tobacco control campaigns (2004–2010) and other factors on odds of smoke-free home, n = 9,872

Time^a

1.01 (1.01–1.02)

<0.001

Tobacco control campaigns

Total GRPs^a

1.01 (0.99–1.04)

0.184

Total GRPs (1 month)^a

1.00 (0.98–1.02)

0.959

Total GRPs (2 months)^a

1.00 (0.98–1.02)

0.921

TCS Score

24.5

1

27

1.07 (0.84–1.36)

0.595

48

1.41 (0.95–2.10)

0.092

51

1.14 (0.74–1.74)

0.548

Season

Summer

1

Autumn

0.98 (0.84–1.13)

0.756

Spring

0.88 (0.74–1.04)

0.135

Winter

0.84 (0.71–0.98)

0.030

Government office region

North East

1

North West

0.67 (0.52–0.87)

0.027

Yorkshire and the Humber

0.78 (0.59–1.02)

0.0366

East Midland

0.71 (0.54–0.93)

0.013

West Midland

0.85 (0.65–1.12)

0.246

East of England

0.92 (0.70–1.20)

0.526

London

0.71 (0.54–0.92)

0.010

South East

0.73 (0.56–0.95)

0.017

South West

1.09 (0.82–1.43)

0.557

Gender of smokers in household

All female smokers

1

All male smokers

1.43 (1.29–1.60)

<0.001

Mixed smokers

1.18 (0.87–1.61)

0.276

Average age of smokers in household

18–24

1

25–39

0.74 (0.62–0.87)

<0.001

40–54

0.52 (0.43–0.62)

<0.001

55+

0.32 (0.26–0.39)

<0.001

NS-SEC of head of household

Managerial & professional

1

Intermediate

0.79 (0.69–0.91)

<0.001

Routine & manual

0.64 (0.57–0.72)

<0.001

Other

0.58 (0.43–0.78)

<0.001

Average level of dependence of smokers in household

0 (least addicted)

12.59 (6.72–23.61)

<0.001

1

5.03 (2.67–9.48)

<0.001

2

3.46 (1.84–6.51)

<0.001

3

2.26 (1.20–4.25)

<0.012

4

1.25 (0.66–2.37)

0.501

5

0.42 (0.19–0.94)

0.034

6 (most addicted)

1

Age of youngest child in household

No child

1

0-5

2.59 (2.24–3.00)

<0.001

6-15

1.34 (1.18–1.53)

<0.001

Number of adult smokers

Two or more smokers

1

Lone smoker

2.83 (2.12–3.78)

<0.001

Lone smoker (lives alone)

0.84 (0.63–1.11)

0.223

Index of Multiple deprivation

1 (least deprived)

1

2

1.02 (0.86–1.21)

0.847

3

0.79 (0.66–0.93)

0.006

4

0.60 (0.50–0.71)

<0.001

5 (most deprived)

0.41 (0.34–0.49)

<0.001