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. 2013 Sep 4;13:108. doi: 10.1186/1471-2288-13-108

Table 2.

Consent rates by intervention

  FISA&DM FIS Promotion of the survey Multiple letters Control
N
60
67
68
64
66
Mean consent rate (%) (95%CI)
47 (41 to 53)
54 (49 to 59)
58 (54 to 62)
63 (58 to 69)
57 (52 to 62)
Standard deviation (22) (20) (17) (21) (20)