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Table 1 Description of study strata and sample sizes in the two-stage survey design

From: Participation in a food assistance program and excessive weight gain: an evaluation of the Brazilian Worker’s Food Program in male and female manufacturing workers

Characteristics of the surveyed industries Workers’ Food Program non-Workers’ Food Program
Number of companies Number of workers Number of companies Number of Workers
Sector of activity
 Food and beverages 7 189 7 200
 Non-metallic minerals 3 86 3 93
 Textile 6 170 7 191
Company size
 Small 6 133 7 168
 Medium 7 177 7 168
 Large 3 135 3 148