... year 0, asthma status, time, physical activity score at year 0, and alcohol con-sumption at year 0Figure 4FEV1/FVC in year 0 BMI quartiles across three birth cohorts: 18–21 years, 22–26 years, ... asthma status, time, physi-cal activity score at year 0, and alcohol consumption at year 0. The slope of FVC across time becomes increas-ingly negative with increasing year 0 BMI (p trend < ... regression analysis and adjusted for race, sex, current age, smoking status at year 0, asthma sta-tus, time, physical activity score at year 0, and alcohol con-sumption at year 0Figure 2FVC in year 0...