Table 6

Response bias for each mode (Odds ratios and 95% CI)1

age50-59

age60-69

Specialist

Inner Regional

Outer/

remote


Simultaneous mixed compared to Population

2.00

(1.39, 2.87)


Sequential mixed compared to Population

1.79

(1.16, 2.75)

1.67

(1.01, 2.78)

1.49

(1.00, 2.22)

1.73

(1.01, 2.97)


Simultaneous mixed compared to online

2.42

(1.38, 4.26)


Sequential mixed compared to online

3.22

(1.26, 8.22)

2.13

(1.02, 4.44)


1. Results from multinomial logit model. Only statistically significant results (P < 0.05) are reported. Full model results available from authors

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

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