Table 1.

Variables Included in Exposure Models Assessing the Associations of Body Mass Index and Physical Activity With Asthma, Asthma-E3N Study, 2000–2011

Exposure Model	Included Variables
BMIa (t)
Numerator	Age, time-period indicator, total energy intake, educational level, and BMI (t − 1)
Denominator	Age, time-period indicator, total energy intake, educational level, physical activity (t), physical activity (t − 1), BMI (t − 1), menopausal status (t − 1), and smoking status (t − 1)
Physical activity (t)
Numerator	Age, time-period indicator, total energy intake, educational level, and physical activity (t − 1)
Denominator	Age, time-period indicator, total energy intake, educational level, physical activity (t − 1), asthma (t − 1), BMI (t − 1), menopausal status (t − 1), and smoking status (t − 1)

Abbreviations: BMI, body mass index; E3N, Etude Epidémiologique auprès de Femmes de la Mutuelle Générale de l'Education Nationale.

^a Weight (kg)/height (m)².