| Nonatopic | Atopic | Test for association adjusted for atopy# | Test for difference in association atopics versus nonatopics# |
| Subjects n | Wheeze without asthma prevalence % | Subjects n | Wheeze without asthma prevalence % |
CRP mg·L−1 | | | | | | |
<0.454 | 1209 | 7.2 | 440 | 13.9 | | |
0.454–0.937 | 1161 | 10.7 | 463 | 14.3 | p<0.001¶ | p = 0.54¶ |
0.938 to 2.12 | 1150 | 10.0 | 470 | 14.0 | | |
>2.12 | 1165 | 15.8 | 455 | 20.4 | | |
BMI kg·m−2 | | | | | | |
<23.99 | 1410 | 8.7 | 462 | 18.6 | | |
23.99–26.69 | 1349 | 10.0 | 548 | 13.5 | p<0.001¶ | p = 0.02¶ |
26.69–29.92 | 1300 | 12.2 | 558 | 14.3 | | |
>29.92 | 1245 | 15.8 | 565 | 18.6 | | |
Smoking history at 42 yrs | | | | | | |
Never-smoker | 2399 | 5.7 | 1008 | 10.6 | | |
Ex-smoker | | | | | | |
<1 cigarettes·day−1 | 287 | 6.6 | 132 | 15.2 | | |
≥1 cigarettes·day−1 >5 yrs ago | 855 | 7.8 | 335 | 12.2 | | |
≥1 cigarettes·day−1 ≤5 yrs ago | 242 | 16.1 | 80 | 16.3 | p<0.001+ | p = 0.28+ |
Current smoker | | | | | | |
<1–9 cigarettes·day−1 | 385 | 13.8 | 164 | 18.9 | | |
10–20 cigarettes·day−1 | 483 | 20.5 | 188 | 27.1 | | |
≥20 cigarettes·day−1 | 659 | 30.5 | 227 | 36.6 | | |
Father’s social class at birth | | | | | | |
Professional I | 251 | 8.8 | 114 | 10.5 | | |
Managerial or technical II | 701 | 7.6 | 336 | 14.6 | | |
Other nonmanual IIInm | 517 | 9.5 | 212 | 13.7 | | |
Skilled manual IIIm | 2571 | 11.8 | 996 | 15.6 | p<0.001+ | p = 0.24+ |
Partly skilled IV | 672 | 13.8 | 226 | 23.9 | | |
Unskilled manual V | 421 | 17.6 | 156 | 17.9 | | |
Other unknown or unemployed | 182 | 11.5 | 98 | 19.4 | | |
Medication for breathing taken 24 h prior to giving a blood sample | | | | | | |
Yes | 156 | 19.2 | 211 | 19.0 | p = 0.007¶ | p = 0.16¶ |
No or missing | 5159 | 11.3 | 1927 | 15.9 | | |