Self-efficacy and activity level following cardiac surgery.
Self-efficacy expectations were measured in 149 recovering cardiac surgery patients to determine whether in-patient education and telephone monitoring during convalescence enhanced perceptions of cardiac efficacy and reported activity. Significant differences were found for experimental patients in self-efficacy expectations for walking between 4 and 8 weeks (P = 0.02) and between 8 and 24 weeks (P = 0.05) following surgery. Experimental patients also reported higher levels of general activity at 4 weeks (P = 0.05) and 8 weeks (P = 0.02) as well as more walking and lifting at 8 weeks (P = 0.01 and P = 0.0008, respectively). By 12 weeks, treatment differences were no longer significant except for continued higher general activity levels (P = 0.03) for experimental patients. Self-efficacy expectations, summed for all physical activities, at at 8 weeks were found to be a significant predictor of self-reported activity at 12 weeks, contributing 14.8% of the 34.8% explained variance (R2 change = 0.1479; F = 26.58; P less than 0.0001). Self-efficacy expectations summed for all physical activity at 8 weeks were also significant predictors of self-reported activities at 24 weeks, contributing 8.5% of the variance (R2 change = 0.0847; F = 14.48; P = 0.0002). A New York Heart Association functional class at 4 and 8 weeks was an independent predictor of self-reported activity at 12 weeks, as was 8 week functional class for self-reported activity at 24 weeks. Mood state did not contribute to explained variance in the regression models.(ABSTRACT TRUNCATED AT 250 WORDS)
Gortner
S R
SR
Cardiac Recovery Laboratory, School of Nursing, University of California, San Francisco 94143-0606.
Jenkins
L S
LS
D000328:Adult; D000339:Affect; D000368:Aged; D006348:Cardiac Surgical Procedures / Q000523:psychology / Q000534:rehabilitation*; D003289:Convalescence; D005221:Fatigue; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010353:Patient Education as Topic; D005082:Physical Exertion; D012649:Self Concept; D013689:Telephone; D013997:Time Factors; D016138:Walking