Table 3

Results for adherence and satisfaction measures at 6 weeks, 6 months and 12 months

Outcome measureTime pointInjection intervention groupExercise intervention group
US guidedUnguidedAdjusted* between group comparison (referent group: unguided)Physiotherapist ledAdvice and exercise leafletAdjusted* between group comparison (referent group: leaflet)
N (%)N (%)OR (95% CI)P valueN (%)N (%)OR (95% CI)P value
Exercise adherence: doing exercise as often as advised
 Agree/strongly agree6 weeks70 (70.0)73 (70.9)0.73 (0.16 to 3.32)0.68680 (80.1)63 (60.6)7.56 (2.19 to 26.03)0.001
6 months55 (59.1)53 (60.2)1.06 (0.30 to 3.73)0.92465 (73.0)43 (46.7)6.09 (1.89 to 19.57)0.002
12 months37 (46.3)40 (48.2)0.94 (0.28 to 3.19)0.92340 (49.4)37 (45.1)1.35 (0.41 to 4.46)0.615
Confidence and satisfaction with treatment
Confidence with exercise treatment
 Very or quite confident6 weeks60 (58.8)43 (42.2)2.78 (1.07 to 7.24)0.03769 (68.3)34 (33.0)8.30 (2.28 to 30.21)0.001
6 months41 (43.2)31 (34.8)1.61 (0.56 to 4.61)0.37247 (51.1)25 (27.2)4.64 (1.50 to 14.32)0.008
12 months36 (47.4)36 (45.6)1.52 (0.31 to 7.41)0.60343 (55.8)29 (37.2)4.25 (0.79 to 22.90)0.092
Confidence in recommending treatment received
 Very or quite confident6 weeks70 (68.6)57 (54.8)2.99 (1.09 to 8.16)0.03375 (72.8)52 (50.5)4.49 (1.57 to 12.90)0.005
6 months58 (60.4)47 (53.4)1.53 (0.56 to 4.13)0.40457 (62.0)48 (52.2)1.84 (0.65 to 5.25)0.251
12 months56 (70.9)42 (51.2)5.56 (1.73 to 17.84)0.00457 (71.3)41 (50.6)3.50 (1.13 to 10.85)0.030
Satisfaction with treatment
 Very or quite satisfied6 weeks75 (74.3)71 (67.0)1.89 (0.72 to 4.95)0.19393 (88.6)53 (52.0)15.81 (5.03 to 49.69)<0.001
6 months63 (65.0)59 (65.6)0.79 (0.32 to 1.98)0.61875 (81.5)47 (49.5)8.86 (3.14 to 25.02)<0.001
12 months42 (55.3)44 (55.0)1.11 (0.43 to 2.81)0.83346 (59.0)40 (51.3)1.40 (0.54 to 3.63)0.489
Satisfaction with the information received concerning shoulder problem
 Very or quite satisfied6 weeks87 (85.3)85 (79.4)2.08 (0.59 to 7.39)0.25694 (89.5)78 (75.0)4.12 (1.03 to 16.29)0.044
6 months78 (81.3)72 (80.0)1.09 (0.32 to 3.69)0.89481 (88.0)69 (73.4)4.86 (1.23 to 19.24)0.024
12 months67 (83.8)60 (73.2)2.35 (0.65 to 8.59)0.19571 (88.8)56 (68.3)8.25 (1.92 to 35.31)0.004
Extent to which the expectations for shoulder pain relief have been met
 Definitely met6 weeks29 (28.4)24 (22.4)1.40 (0.51 to 3.85)0.51133 (31.4)20 (19.2)2.04 (0.72 to 5.75)0.179
6 months26 (27.1)17 (18.9)2.22 (0.71 to 6.89)0.16930 (33.0)13 (13.7)4.52 (1.37 to 14.88)0.013
12 months20 (25.0)22 (26.8)0.98 (0.31 to 3.09)0.97426 (32.5)16 (19.5)1.41 (0.44 to 4.51)0.562
Mean (SD)Mean (SD)Mean difference (95% CI)P valueMean (SD)Mean (SD)Mean difference (95% CI)P value
Overall rating for the results of treatment/care*6 weeks7.1 (2.7)6.1 (3.0)0.99 (0.25 to 1.74)0.0097.3 (2.6)5.9 (2.9)1.16 (0.39 to 1.92)0.003
6 months6.5 (3.0)5.7 (3.3)0.12 (−0.62 to 0.86)0.7536.9 (2.9)5.3 (3.2)0.56 (−0.21 to 1.33)0.154
12 months6.9 (2.6)6.4 (2.8)0.34 (−0.44 to 1.12)0.3927.6 (2.3)5.8 (2.8)0.98 (0.16 to 1.81)0.019
  • *Overall results of the treatment or care for shoulder pain rated on a 0–10 numeric rating scale with 0 terrible and 10 excellent.

  • US, ultrasound.