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Table 2 Consent rates by intervention

From: Strategies for maximizing consent rates for child dental health surveys: a randomised controlled trial

 

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)