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Table 2 Frequency of study sample who were living ≤ 60 miles from the three study sites

From: Challenges to be overcome using population-based sampling methods to recruit veterans for a study of post-traumatic stress disorder and traumatic brain injury

Study site

n

Veterans successfully contacted

  

n

% sample

CA

67

28

41.8

DC

189

72

38.1

NJ

189

46

24.3

Sum

445

146

 

Average

148.3

47.7

34.7

  1. “Veterans successfully contacted” refers to the frequency of people who talked directly to a screener.