Table 3

Respiratory symptoms in relation to living with smokers

Cough with colds

Cough without colds

No

Yes

No

Yes

Exposure

N

N

OR*

(95% CI)

N

N

OR*

(95% CI)

Total

3413

1117

4327

203

Smokers in the home

No

954

259

1.00

1165

48

1.00

Yes

2459

858

1.29

(1.05,1.58)

3162

155

1.19

(0.86,1.65)

1 smoker

2105

717

1.26

(1.02,1.55)

2700

122

1.10

(0.77,1.57)

2+ smokers

354

141

1.47

(1.11,1.95)

462

33

1.74

(1.17,2.60)

Phlegm with colds

Phlegm without colds

No

Yes

No

Yes

N

N

OR*

(95% CI)

N

N

OR*

(95% CI)

Total

3772

758

4274

256

Smokers in the home

No

1036

177

1.00

1164

49

1.00

Yes

2736

581

1.24

(1.08,1.43)

3110

207

1.60

(1.11,2.29)

1 smoker

2327

495

1.25

(1.09,1.43)

2657

165

1.49

(1.04,2.14)

2+ smokers

409

86

1.23

(0.92,1.64)

453

42

2.25

(1.36,3.72)

Wheeze with colds

Wheeze without colds

No

Yes

No

Yes

N

N

OR*

(95% CI)

N

N

OR*

(95% CI)

Total

3652

878

4210

320

Smokers in the home

No

993

220

1.00

1125

88

1.00

Yes

2659

658

1.11

(0.93,1.31)

3085

232

0.96

(0.74,1.25)

1 smoker

2265

557

1.10

(0.93,1.30)

2619

203

0.99

(0.75,1.30)

2+ smokers

394

101

1.13

(0.85,1.49)

466

29

0.78

(0.45,1.37)

* Odds ratios (OR) adjusted for gender, coal use, and school district. Dichotomous and multilevel odds ratios are computed in separate models.

Salo et al. Environmental Health: A Global Access Science Source 2004 3:14   doi:10.1186/1476-069X-3-14