Figure 4

A and B - Linear decrement in FEV ₁ /FVC and FEF _25-75 by stratum-specific mean age at immigration into El Paso. In 4^th or 5^th grade children:% change in spirometry outcome measure relative to immigrants into El Paso in the last year- with random team/instrument intercepts and adjusted for the fixed effects of age, sex, race, ethnicity, language preference, log of child's height, log of child's weight, interaction of sex with child's height, interaction of Hispanic ethnicity with child's height, interaction of Hispanic ethnicity with child's weight, parental history (allergy, asthma), environmental tobacco smoke (household smoker), and socio-economic status (maximum parental education, single parent). El Paso Independent School District, Spring 2001 (n = 1988).