Table 3.
Results of time analysis
| Questionnaire | Regression coefficient (SE) | m/c R2 | Tukey post hoc |
| SPADI |
6 months: −10.72 (2.11) 9 months: −17.00 (2.15) |
0.058 0.085 |
3 months to 6 and 9 months (p<0.001) 6 months to 9 months (p=0.011) |
| SF-36 | |||
| Physical functioning |
6 months: −0.08 (3.10) 9 months: 6.88 (3.14) |
0.019 0.015 |
No pairwise differences |
| Social | 6 months: 2.46 (2.93) 9 months: 5.47 (2.97) |
– | – |
| Physical problem |
6 months: 0.33 (5.11) 9 months: 11.51 (5.17) |
0.015 0.012 |
No pairwise differences |
| Emotional problem |
6 months: −7.41 (4.64) 9 months: 8.55 (4.69) |
0.026 0.033 |
6 months to 9 months (p=0.003) |
| Mental health | 6 months: −5.02 (2.50) 9 months: −2.05 (2.54) |
– | – |
| Vitality |
6 months: −13.39 (2.87) 9 months: −8.61 (2.91) |
0.059 0.077 |
3 months to 6 and 9 months (p<0.01) |
| Pain | 6 months: −2.63 (3.30) 9 months: 1.85 (3.35) |
– | – |
| General health | 6 months: −4.23 (2.91) 9 months: −2.38 (2.95) |
– | – |
Significant differences over time in bold (p<0.05).
c, conditional; m, marginal; SF-36, 36-item short form health survey; SPADI, shoulder pain and disability index.