Table 4. Differences in KF, ADL, and LS Between the Telephone Counseling Group and the SMS Group, and the Pattern of Change.
| Variable | Group | Baseline, Mean (SD) | After 1 Month, Mean (SD) | After 3 Months, Mean (SD) | p for Time Differences | Source | F | p | |
|---|---|---|---|---|---|---|---|---|---|
| Baseline–After 1 Month, t (p) | After 1 Month–After 3 Months, t (p) | ||||||||
| KF | Telephone | 2.33 (0.34) | 1.35 (0.37) | 0.58 (0.30) | 11.05 (.000) | 15.03 (.000) | Group | 0.03 | .860 |
| Text | 2.75 (0.36) | 1.56 (0.15) | 0.63 (0.32) | 17.05 (.000) | 15.86 (.000) | Time | 5.24 | .028 | |
| Group × Time | 1.74 | .196 | |||||||
| ADL | Telephone | 1.12 (0.15) | 1.52 (0.12) | 1.16 (0.13) | −17.18 (.000) | 18.86 (.000) | Group | 0.20 | .656 |
| Text | 1.11 (0.16) | 1.55 (0.07) | 1.10 (0.14) | −10.52 (.000) | 11.34 (.000) | Time | 203.55 | .000 | |
| Group × Time | 2.14 | .125 | |||||||
| LS | Telephone | 2.03 (0.31) | 2.05 (0.26) | 2.24 (0.21) | −.44 (.666) | −3.61 (.002) | Group | 0.56 | .459 |
| Text | 1.90 (0.28) | 2.01 (0.21) | 2.26 (0.24) | −1.68 (.110) | −4.15 (.001) | Time | 27.40 | .000 | |
| Group × Time | 1.89 | .157 | |||||||
Note. ADL = activities of daily living; KF = knee function; LS = life satisfaction.