Table 3.
Effectiveness of video self-instruction training (intervention group) and instructor-led (control group) between intervention and control group on CPR skills retention across time points (pretest, posttest, 1 month, 3 month, and 6 month), adjusted with covariates.
| Variables | Adjusted coefficient | Standard error | Adjusted odds ratio | 95% Cl for odds ratio | P -value | |
|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||
| Intercept | −0.341 | 0.364 | ||||
| Group | ||||||
| Control | Ref | |||||
| Intervention | 0.559 | 0.361 | 1.749 | 0.863 | 3.547 | 0.121 |
| Time point | ||||||
| Pretest (Baseline) | Ref | |||||
| Posttest | 4.646 | 0.985 | 104.214 | 15.124 | 718.126 | <0.001* |
| 1 month | 1.994 | 0.403 | 7.346 | 3.333 | 16.190 | <0.001* |
| 3 months | 1.010 | 0.348 | 2.745 | 1.387 | 5.431 | 0.004* |
| 6 months | −1.171 | 0.399 | 0.310 | 0.142 | 0.677 | 0.003* |
| Interaction | ||||||
| Control * pretest (baseline) | Ref | |||||
| Intervention * posttest | −2.395 | 1.119 | 0.091 | 0.010 | 0.817 | 0.032* |
| Intervention * 1 month | −0.360 | 0.624 | 0.698 | 0.205 | 2.373 | 0.565 |
| Intervention * 3 month | −0.607 | 0.516 | 0.545 | 0.198 | 1.498 | 0.239 |
| Intervention * 6 month | −1.147 | 0.605 | 0.318 | 0.097 | 1.040 | 0.058 |
*
Variable with p < 0.05.
SE, standard error; CI, Confidence interval; Ref, Reference category.
QIC 721.713, QICC 721.236, skill model adjusted with covariates: gender, age (years) group, professional status, years of experience group, duration of CPR training and survival outcome.