TABLE 4.

EFFECTS OF ANY WHEEZE ON CHANGE IN FEV₁, FVC, AND FEV₁/FVC ADJUSTED FOR BASELINE VARIABLES^*, SMOKING, AND BODY MASS INDEX

	ΔFEV1		ΔFVC		ΔFEV1/ΔFVC
Covariate	β†	95% Confidence Limits	β†	95% Confidence Limits	β†	95% Confidence Limits
Change in BMI	−21.5	−33.8, -9.1	−9.2	−25.4, 6.9	−0.5	−0.7, -0.3
Any wheeze‡
Current (obs = 116)	−30.9	−88.4, 26.6	−19.8	−98.4, 58.8	−0.9	−2.0, 0.2
Started (obs = 38)	−62.5	−155.9, 30.8	−83.5	−206.5, 39.5	−0.4	−2.2, 1.3
Stopped (obs = 51)	102.2	17.0, 187.3	109.9	−1.9, 221.8	0.5	−1.1, 2.0

For definition of abbreviations, see Table 2.

^*Stature (cm), age at time t + 1, age squared at time t + 1, and change in age.

^†Change over an average of 3.2 years.

^‡Reference is no report of any wheeze (198 test intervals).