To analyze Antonovsky's Sense of Coherence (SOC) Scale, in 828 patients with rheumatoid arthritis (RA) from 15 private rheumatology practices. This scale is designed to evaluate strengths within individuals that allow them to select appropriate strategies to deal with stressors; both the total 29-item (SOC-29) total scale and a 13-item (SOC-13) short form of the 29-item scale were analyzed.