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Table 1 Demographics

From: Direct mail improves knowledge of basic life support guidelines in general practice: a randomised study

  Control (n= 252) Direct-mail (n=216)
Age (years) 53±8 53±8
Gender   
  Female 45% 41%
  Male 55% 60%
Board certified (year) 1994 [1987; 2004] 1993 [1986; 2000]
  1. Age are presented as mean±SD, Board certification are presented as median and interquartile range.