End expiratory specific conductance (sGawee) at 1 year: associations with prior wheezing and other factors
| Difference in sGawee (/s/kPa) at 1 year | 95% confidence interval | p value | |
|---|---|---|---|
| Univariate analyses: | |||
| Prior physician diagnosed wheeze (baseline: no wheeze) | –0.45 | –0.76 to –0.14 | <0.01 |
| Maternal smoking postnatally (baseline: no maternal smoking) | –0.54 | –0.81 to –0.27 | <0.001 |
| Family history of asthma (baseline: no family history) | –0.31 | –0.62 to 0.00 | <0.05 |
| sGawee at 8 weeks of age (per unit (/s/kPa) reduction) | –0.28 | –0.13 to -0.43 | <0.001 |
| Sex (baseline: male) | 0.006 | –0.23 to 0.34 | 0.685 |
| Multivariate analyses5-150 : | |||
| Prior physician diagnosed wheeze (baseline: no wheeze) | –0.21 | –0.58 to 0.15 | 0.25 |
| Maternal smoking postnatally (baseline: no maternal smoking) | –0.40 | –0.71 to –0.10 | 0.01 |
| Family history of asthma (baseline: no family history) | –0.04 | –0.38 to 0.30 | 0.81 |
| sGawee at 8 weeks of age (per unit (/s/kPa) reduction) | –0.20 | –0.36 to -0.03 | 0.018 |
↵5-150 Data calculated after allowing for those variables found to be significant in univariate analyses (prior wheeze, maternal smoking, family history of asthma, and sGawee at 8 weeks of age).