Table 5

Changes in annual lung function growth associated with stove group

FEV1 (mL/year), coefficient (95% CI),
n=437
FVC (mL/year),
coefficient (95% CI),
n=407
FEV1/FVC (%/year),
coefficient (95% CI),
n=407
FEF25–75 (mL/min/year),
coefficient (95% CI),
n=407
PEF (mL/min/year),
coefficient (95% CI),
n=443
Β95% CIp Valueβ95% CIp Valueβ95% CIp Valueβ95% CIp Valueβ95% CIp Value
Group 1Reference groupReference groupReference groupReference groupReference group
Group 2
 Unadjusted−45−93 to 30.065−35−90 to 200.21−0.6−2.3 to 1.10.47−25−16 to 110.72−170−337 to −140.048
 Adjusted*−44−91 to 40.07−39−93 to 160.16−0.6−2.2 to 1.10.52−23−158 to 1110.73−173−341 to −70.041
Group 3
 Unadjusted−35−88 to 170.18−25−83 to 320.39−0.5−3.0 to 2.00.69−27−180 to 1260.73−134−303 to 350.12
 Adjusted*−39−91 to 130.14−36−94 to 220.23−0.4−2.9 to 2.20.78−19−173 to 1340.80−137−303 to 280.10
  • *Final model adjusted for age, gender, baseline height, annual change in height, maternal education and secondhand smoke.

  • PEF, peak expiratory flow.

  • Bold = statistical significance p<0.05.