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Table 3 Average ages of the study subjects, according to research phase and motivator (N=79)

From: Motives for participating in a clinical research trial: a pilot study in Brazil

 

N

Age (average)

CI 95%

P-value1

    

<0.0001

Phase I

39

32

28.7 - 34.8

 

Phase III

40

53

49.1 - 56.0

 
  1. Using Student’s t-test.
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BMC Public Health

ISSN: 1471-2458

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