Table 6.
The estimated difference between the group with low and high usage of the intervention after sensitivity analysis at 6 months and 12 months after baseline.
| Scales | 6 months after baseline | 12 months after baseline | ||||||
| T0-T1 change | 95% CI | P valuea | Cohen d | T0-T2 change | 95% CI | P valuea | Cohen d | |
| PAMb (10-65) | 2.4 | –1.7 to 6.4 | .24 | 0.12 | 0.0 | –2.9 to 2.9 | >.99 | 0.00 |
| SMAS-Sc (0-60) | –0.4 | –3.4 to 2.7 | .82 | 0.00 | 1.3 | –2.0 to 4.5 | .44 | 0.02 |
| RASEd (28-140) | –1.7 | –6.8 to 3.4 | .52 | –0.00 | –0.6 | –5.3 to 4.1 | .81 | 0.00 |
| PEPPI-5e (5-25) | –1.0 | –2.5 to 0.5 | .20 | –0.11 | –0.1 | –1.9 to 1.7 | .93 | 0.00 |
| RANDf physical functioning (0-100) | 9.2 | –0.7 to 19.2 | .07 | 0.01 | 2.2 | –7.4 to 11.8 | .65 | 0.00 |
| RAND social functioning (0-100) | 1.5 | –8.4 to 11.4 | .76 | 0.00 | 5.3 | –6.7 to 17.4 | .38 | 0.01 |
| RAND physical role limitations (0-100) | 7.4 | –14.7 to 29.5 | .51 | 0.00 | 3.7 | –18.6 to 25.9 | .74 | 0.00 |
| RAND emotional role limitations (0-100) | 16.1 | –3.6 to 35.7 | .11 | 0.01 | –1.7 | –24.5 to 21.0 | .88 | 0.00 |
| RAND mental health (0-100) | 0.8 | –6.3 to 7.9 | .83 | 0.00 | –4.2 | –11.2 to 2.8 | .24 | –0.02 |
| RAND vitality (0-100) | 2.9 | –5.6 to 11.5 | .50 | 0.01 | –1.2 | –10.8 to 8.4 | .81 | 0.00 |
| RAND pain (0-100) | 1.7 | –4.5 to 12.9 | .77 | 0.00 | 8.8 | –3.0 to 20.6 | .14 | 0.02 |
| RAND general health perception (0-100) | 2.9 | –5.1 to 10.8 | .48 | 0.01 | 9.7 | 0.8 to 18.5 | .03g | 0.02 |
| RAND health change (0-100) | 8.3 | –4.0 to 20.5 | .19 | 0.02 | 6.4 | –7.9 to 20.6 | .38 | 0.01 |
| NRSh pain today (0-10) | 0.0 | –1.2 to 1.2 | >.99 | 0.00 | –0.6 | –1.9 to 0.8 | .41 | –0.11 |
| NRS mean pain last 2 weeks (0-10) | –0.6 | –1.8 to 0.5 | .29 | –0.12 | 0.9 | –2.3 to 0.6 | .24 | –0.16 |
| NRS fatigue today (0-10) | 0.2 | –1.0 to 1.3 | .73 | 0.03 | –0.9 | –2.2 to 0.5 | .22 | –0.14 |
| NRS mean fatigue last 2 weeks (0-10) | 0.2 | –1.0 to 1.3 | .78 | 0.03 | –0.5 | –1.7 to 0.8 | .51 | –0.08 |
| MPCI-Fi (4-32) | –0.2 | –1.7 to 1.3 | .76 | –0.01 | –0.4 | –2.1 to 1.3 | .67 | –0.01 |
aValues represent outcomes of the ITT analysis without confounders. After adding confounders, no changes in values appear.
bPAM: Patient Activation Measurement.
cSMAS-S: short Self-Management Ability Scale.
dRASE: Rheumatoid Arthritis Self-Efficacy.
ePEPPI-5: Perceived Efficacy in Patient-Physician Interaction.
fRAND-36: General Health Status.
gSignificant differences (P<.05) between control and intervention groups.
hNRS: numerical rating scale.
iMPCI-F: Modified Pain Coping Inventory for Fatigue.