All research participants (children and parents/guardians) will be recruited from 14 schools (7 control and 7 intervention; 7 urban and 7 rural) in a Southeastern U.S.
Self-report measures are at: baseline, end of year one, year 2, end of year two, and years three and four. Biological measures of salivary cotinine are at Baseline, end of treatment (year 2) and end of study (year 4).
