Table 2.
Correlates of Mail Survey Completion
| *Total Invited N=3892 | Completed Survey N=1592 (40%) | Did Not Complete Survey N=2300 (60%) | OR | 95% CI | p-value | †A-OR | 95% CI | p-value | |
|---|---|---|---|---|---|---|---|---|---|
| Girls | 1852 | 783 (42%) | 1069 (58%) | 1.0 | 1.0 | ||||
| Boys | 2040 | 809 (40%) | 1231 (60%) | 0.90 | [.79, 1.02] | 0.097 | .95 | [0.82, 1.10] | 0.478 |
| Age 13-14 | 1579 | 665 (42%) | 914 (58%) | 1.0 | 1.0 | ||||
| Age 15-17 | 2313 | 927 (40%) | 1386 (60%) | 0.92 | [.71, 1.05] | 0.204 | 0.93 | [0.80, 1.09] | 0.370 |
| Sept | 1541 | 645 (42%) | 896 (58%) | 1.0 | 1.0 | ||||
| Oct | 1854 | 782 (42%) | 1072 (58%) | 1.01 | [.88, 1.16] | 0.849 | 1.10 | [.82, 1.48] | 0.53 |
| Nov | 497 | 165 (33%) | 332 (67%) | 0.69 | [0.56, 0.85] | 0.001 | .082 | [0.56, 1.19] | 0.29 |
*
Total invited not including ineligible
†
OR Adjusted for respective covariates, including sex, age, initial mail month, the type of survey sent and whether or not reminder call attempted.