Table 1

Proposed and Observed number of participants in Farm Cohort and Small Town Cohort for Baseline Study
Farm Cohort Small Town Cohort
Proposed sample Observed sample Proposed sample Observed sample
Self-report questionnaire 3250 4472 2600 3785
Clinical measurements (25%) 813 Lung function, n = 930 650 Lung function, n = 679
Allergy test, n = 929 Allergy test, n = 686
Both, n = 896 Both, n = 653

Pahwa et al.

Pahwa et al. BMC Research Notes 2012 5:400   doi:10.1186/1756-0500-5-400

Open Data