Table 4. Average marginal effects and predicted probabilities for each outcome for intervention group and control group (source: own calculations).
| Item and outcome level | Intervention group (n=96) | Control group (n=123) | Treatment effect, percentage points (95% CI) | P value | ||
|---|---|---|---|---|---|---|
| Pre in % | Post in % | Pre in % | Post in % | |||
| Climb up stairs and carry something | ||||||
| Difficult | 12.3 | 5.1 | 12.6 | 8.9 | −3.6 (–6.9 to –0.2) | .04 |
| Somewhat difficult | 15.6 | 9.2 | 15.8 | 13.1 | −3.7 (–6.4 to –1.0) | .007 |
| Somewhat easy | 22.1 | 17.1 | 22.2 | 20.6 | −3.4 (–5.9 to –0.9) | .008 |
| Easy | 36 | 41.1 | 35.7 | 38.8 | 1.9 (–1.5 to 5.4) | .27 |
| Very easy | 14 | 27.6 | 13.6 | 18.5 | 8.8 (2.6 to 14.9) | .005 |
| Lift and carry groceries | ||||||
| Difficult and somewhat difficult | 15.5 | 10 | 18.1 | 17.1 | −4.5 (–9.7 to 0.8) | .10 |
| Somewhat easy | 18.9 | 15.3 | 20.4 | 19.9 | −3.2 (–6.3 to –0.1) | .04 |
| Easy | 40.3 | 40.2 | 39.8 | 39.5 | −0.2 (–3.2 to 2.7) | .88 |
| Very easy | 25.3 | 34.4 | 22 | 23.2 | 7.9 (0.5 to 15.3) | .04 |
| Walk 1 km | ||||||
| Difficult and somewhat difficult | 10.1 | 6.4 | 12.2 | 10.8 | 2.2 (5.8 to 1.3) | .22 |
| Somewhat easy | 11.7 | 8.8 | 13.1 | 12.2 | −2.0 (−4.6 to –0.5) | .11 |
| Easy | 27 | 23.8 | 28.1 | 27.4 | −2.6 (−5.6 to –0.4) | .09 |
| Very easy | 51.2 | 60.9 | 46.6 | 49.5 | 6.8 (−1.6 to 15.3) | .11 |
| Stretch to the toes | ||||||
| Difficult and somewhat difficult | 15.3 | 14 | 13.6 | 13.8 | −1.4 (−5.4 to 2.5) | .47 |
| Somewhat easy | 12.9 | 12.2 | 12.1 | 12.1 | −0.7 (−2.5 to 1.2) | .49 |
| Easy | 27.4 | 26.9 | 26.9 | 26.8 | −0.5 (−2.0 to 1.0) | .52 |
| Very easy | 44.4 | 46.8 | 47.4 | 47.2 | 2.6 (−4.7 to 9.9) | .48 |