Control 14.8 17.0 Direct email 31.9 < 0.001 (11.4 to 22.7) Cooperative 10.0 -7.0 24.8 0.001 0.02 email (4.3 to 15.7) (-12.7 to -1.4) Any email (direct 13.5 28.3 < 0.001 + cooperative) (8.6 to 18.4) Note: Results presented are from a linear model and triplet variable was not included. The cooperative and direct email groups were compared to the control group separately and then jointly (any email). The cooperative email group was then compared to the direct email group. This analysis was also run as a logistic regression with the same results for margins. Table 3.9 Compliance after day 21 population divided by whether – – they called the ATO % compliant Difference p-value Difference from p-value from Control direct email (95% confidence (95% confidence interval) interval) Did not call the ATO (sample size= 974) Control 31.1 Direct email 41.1 10.0 0.01 (2.5 to 17.4) Cooperative 36.4 5.3 0.16 -4.7 0.23 email (-2.0 to 12.5) (-12.4 to 3.0) Any email 38.6 7.5 0.02 (direct + (1.2 to 13.8) cooperative) Called the ATO (sample size= 305) Control 40.5
Control 14.8 Direct email 31.9 17.0 (11.4 to 22.7) < 0.001 Cooperative email 24.8 10.0 (4.3 to 15.7) 0.001 -7.0 (-12.7 to -1.4) 0.02 Any email (direct + cooperative) 28.3 13.5 (8.6 to 18.4) < 0.001 Note: Results presented are from a linear model and triplet variable was not included. The cooperative and direct email groups were compared to the control group separately and then jointly (any email). The cooperative email group was then compared to the direct email group. This analysis was also run as a logistic regression with the same results for margins. Table 3.9 – Compliance after day 21 – population divided by whether they called the ATO % compliant Difference from Control (95% confidence interval) p-value Difference from direct email (95% confidence interval) p-value Did not call the ATO (sample size= 974) Control 31.1 Direct email 41.1 10.0 (2.5 to 17.4) 0.01 Cooperative email 36.4 5.3 (-2.0 to 12.5) 0.16 -4.7 (-12.4 to 3.0) 0.23 Any email (direct + cooperative) 38.6 7.5 (1.2 to 13.8) 0.02 Called the ATO (sample size= 305) Control 40.5
report-improved-compliance-deferred-gst.docx