Table 5

Actual mode of response by allocated survey mode

Group allocation

Simultaneous mixed

Sequential mixed

Online

Total


Paper returned (%)

78.86

61.62

3.45

53.78

Online completed (%)

21.14

38.38

96.55

46.22


Total number of surveys

175

185

116

476


Scott et al. BMC Medical Research Methodology 2011 11:126   doi:10.1186/1471-2288-11-126

Open Data