Results: A total of 53 RA patients participated. The PRISM-JP group (n=26) demonstrated significantly more JP behaviour at 6 months (effect size ES=0.32; p=0.02) and 12 months (ES=0.28; p=0.04) than the C-JP (n=27). Within group analysis showed that the JP intervention was successful at 6 and 12 months in both groups (p<0.001). At 12 months the PRISM-JP group had better JP self-efficacy (p=0.02) and grip strength (p=0.04) compared to baseline.Conclusion: PRISM-JP was more effective than C-JP in terms of long-term JP behaviour at six and 12 months.
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