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Table 4 Evaluation of Nonresponse bias: Comparison of survey sample with other data sources

From: A small unconditional non-financial incentive suggests an increase in survey response rates amongst older general practitioners (GPs): a randomised controlled trial study

Ā 

This study

General rural GP population*

Ā 

n

% (95%CI)**

n

%

Gender

Ā Ā Ā Ā 

Male

47

70% (59% to 81%)

3238

71%

Female

20

30% (19% to 41%)

1354

29%

Age:

45-54

32

47% (35% to 59%)

2290

50%

55-64

28

41% (29% to 53%)

1660

36%

65+

8

12% (4% to 20%)

642

14%

  1. * Source: Australian Institute of Health and Welfare, National Health Workforce Data Set 2011[9]. ** 95% confidence intervals.