Table 4 Crude odds ratios and adjusted odds ratios (with 95% confidence intervals in brackets) for whistling or wheezing in chest/asthma attack anytime in the last 12 months

Smoke Cigarettes

1.99 (1.46,2.70)

1.94 (1.39,2.71)

0.85 (0.55,1.32)

0.92 (0.58,1.46)

age 0–6 vs 18–59

1.00 (0.71,1.41)

1.34 (0.92,1.93)

1.35 (0.86,2.12)

1.47 (0.91,2.37)

age 7–17 vs 18-59

0.85 (0.62,1.15)

1.08 (0.78,1.51)

1.53 (1.03,2.26)

1.61 (1.06,2.43)

age 60 plus vs 18-59

0.66 (0.52,0.84)

0.63 (0.47,0.85)

0.93 (0.66,1.30)

0.80 (0.55,1.17)

Sex Female vs Male

1.11 (0.90,1.36)

1.12 (0.90,1.39)

0.96 (0.73,1.27)

0.99 (0.75,1.31)

RHI continuous (per increase of 1 level)

1.12 (1.05,1.20)

1.11 (1.04,1.20)

1.13 (1.03,1.23)

1.11 (1.01,1.22)

RHI 1 vs 0

0.87 (0.55,1.38)

0.90 (0.57,1.43)

0.79 (0.42,1.49)

0.77 (0.41,1.44)

RHI 2 vs 0

1.36 (0.87,2.11)

1.44 (0.92,2.25)

1.03 (0.56,1.88)

1.02 (0.56,1.87)

RHI 3 vs 0

1.07 (0.67,1.70)

1.08 (0.67,1.73)

1.03 (0.55,1.93)

0.95 (0.50,1.79)

RHI 4 vs 0

1.46 (0.88,2.45)

1.64 (0.97,2.75)

1.49 (0.76,2.92)

1.46 (0.74,2.88)

RHI 5 vs 0

1.59 (0.87,2.89)

1.21 (0.65,2.25)

1.50 (0.69,3.25)

1.26 (0.56,2.81)

RHI 6 plus vs 0

1.82 (0.94,3.51)

2.04 (1.03,4.06)

1.39 (0.59,3.27)

1.38 (0.58,3.30)

person/bedroom >1 vs < =1

0.93 (0.75,1.14)

0.68 (0.52,0.89)

0.96 (0.73,1.28)

0.70 (0.49,0.99)