Control | Urgent email | Unadjusted odds ratio, b or hazard ratio | 95 % confidence interval; P | Adjusted odds ratio, b or hazard ratioa | 95 % confidence interval; P | |
---|---|---|---|---|---|---|
Primary analysisb | ||||||
Completed questionnaire | 109/116 (94) | 104/115 (90) | 0.61 | 0.23, 1.63; 0.32 | 0.53 | 0.19, 1.49; 0.23 |
Sensitivity analysis | ||||||
Only those who required a reminder: Number of reminders = 0 | 54/61 (89) | 69/80 (86) | 0.81 | 0.30, 2.24; 0.69 | 0.66 | 0.22, 1.95; 0.45 |
Secondary analysisc | ||||||
Number of reminders = 0 | 55/116 (47) | 35/115 (30) | ||||
Number of reminders = 1 | 26/116 (22) | 35/115 (30) | ||||
Number of reminders = 2 | 10/116 (9) | 16/115 (14) | ||||
Number of reminders = 3 | 7/116 (6) | 12/115 (10) | ||||
Number of reminders = 4 | 7/116 (6) | 8/115 (7) | ||||
Number of reminders = 5 | 11/116 (9) | 9/115 (8) | 0.27 | −0.15, 0.69; 0.20 | 0.25 | −0.18, 0.68; 0.26 |
Sensitivity analysisc | ||||||
Only those who required a reminder: number of reminders = 0 | 0/61 (0) | 1/80 (1) | ||||
Number of reminders = 1 | 26/61 (43) | 34/80 (43) | ||||
Number of reminders = 2 | 10/61 (16) | 16/80 (20) | ||||
Number of reminders = 3 | 7/61 (11) | 12/80 (15) | ||||
Number of reminders = 4 | 7/61 (11) | 8/80 (10) | ||||
Number of reminders = 5 | 11/61 (18) | 9/80 (11) | −0.22 | −0.72, 0.28; 0.38 | −0.15 | −0.65, 0.36; 0.56 |
Secondary analysisd | ||||||
Time to complete questionnaire, median days | 9.0 | 11.0 | 0.84 | 0.64, 1.10; 0.22 | 0.88 | 0.67, 1.15; 0.34 |
Sensitivity analysisd | ||||||
Only those who required a reminder: time to complete questionnaire, median days | 22.5 | 19.0 | 1.12 | 0.78, 1.60; 0.54 | 1.08 | 0.75, 1.55; 0.67 |