Table 2 Comparisons of parametric and bootstrap estimates of confidence intervals for the eight dimensions of the SF-36 from the CPSW Study for Control vs. Intervention Groups
SF-36 | Â | Â | CIs | Interval | ||
|---|---|---|---|---|---|---|
Dimension | Â |
Mean Difference
|
Lower
|
Upper
| Length | Shape |
Physical | Normal (t-test) | -2.6 | -5.2 | 0.1 | 5.4 | 1.00 |
Function | Bootstrap BCA | Â | -5.2 | 0.0 | 5.2 | 0.98 |
Role | Normal (t-test) | -9.1 | -16.0 | -2.3 | 13.7 | 1.00 |
Physical | Bootstrap BCA | Â | -15.8 | -2.3 | 13.5 | 1.02 |
Bodily | Normal (t-test) | -4.0 | -8.2 | 0.2 | 8.4 | 1.00 |
Pain | Bootstrap BCA | Â | -8.1 | 0.3 | 8.4 | 1.03 |
General | Normal (t-test) | -2.4 | -5.6 | 0.8 | 6.4 | 1.00 |
Health | Bootstrap BCA | Â | -5.6 | 0.8 | 6.4 | 0.99 |
Vitality | Normal (t-test) | -1.3 | -5.0 | 2.5 | 7.5 | 1.00 |
| Â | Bootstrap BCA | Â | -5.1 | 2.4 | 7.5 | 0.98 |
Social | Normal (t-test) | -4.7 | -8.9 | -0.6 | 8.3 | 1.00 |
Function | Bootstrap BCA | Â | -8.7 | -0.6 | 8.1 | 1.03 |
Role | Normal (t-test) | -1.1 | -7.5 | 5.3 | 12.7 | 1.00 |
Emotional | Bootstrap BCA | Â | -7.1 | 5.6 | 12.7 | 1.11 |
Mental | Normal (t-test) | 0.2 | -2.8 | 3.2 | 6.0 | 1.00 |
Health | Bootstrap BCA | Â | -2.8 | 3.2 | 6.0 | 0.98 |
-
Mean difference
= Intervention mean - Control mean
- BCa confidence intervals based 5000 bootstrap replications.