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Table 1 Descriptive characteristics of whole cohort of subjects born in 1993, city of Pelotas, southern Brazil, and the subsample assessed by Quality Control of DNA

From: Quality of DNA extracted from saliva samples collected with the Oragene™ DNA self-collection kit

  Provided saliva sample Subsample assessed p-values
Subject (N) 4110 822  
Age years ± SD 14.69 ±0.30 14.69 ±0.31 0.40
Gender (%) 48.9 male 50.7 male 0.26