Key result
Baseline psychosocial variables, including depression and social support, significantly predicted 1-year role interference in post-CABG patients (R2=0.20, P<0.001), independent of disease severity.
Why the study?
To examine baseline medical and psychosocial predictors of 1-year functional role interference in CABG patients, including sex differences and the buffering effect of social support.
Do baseline psychosocial variables predict 1-year role interference in post-CABG patients?
Observational (n=296)
Do baseline psychosocial variables predict 1-year role interference in post-CABG patients?
Answers are grounded in this paper and cite their sources.
Long-term role interference in CABG recipients is predicted by social variables and depressive symptoms rather than disease severity, with social support moderating the effect of depression in women.
Background and Purpose: This study examines coronary artery bypass graft (CABG) patients, their baseline medical and psychosocial characteristics, and level of functioning after 1 year. Functioning was defined as ability to play their role in social, family, recreational, and occupational areas. Sex differences and the buffering effect of social support were also investigated. Methods: This prospective, observational study recruited 296 (42% female) post-CABG patients, of whom 234 (79%; 44% female) had complete data at 1-year follow-up. Clinical and demographic variables were collected following surgery via chart review and provincial database. Depressive symptoms, perceived social support, household responsibilities, marital status, pain, and role interference were assessed at baseline and 1 year later. Hierarchical linear regression examined relationships between baseline psychosocial variables and 1-year role interference controlling for potential medical confounding variables. Results: One-year role interference was partially predicted by baseline depression, social support, household responsibilities, and marital status ( R 2 = 0.20, P < 0.001), but not disease severity. Baseline depression predicted 1-year role interference only at mean ( b = 0.15, 95% confidence interval [CI] [0.01, 0.31]) and high ( b = 0.30, 95% CI [0.12, 0.48]) perceived social support. Baseline perceived social support predicted greater reduction in 1-year role interference in women compared to men (interaction b = 0.29; 95% CI [0.06, 0.52]) and reduced the association between high depression symptoms and role interference in women only ( b = −0.25, 95% CI [−0.42, −0.09]). Conclusions: Long-term role interference in bypass graft recipients was not associated with disease severity, but was predicted by social variables and depressive symptoms. In women perceived social support moderated the association between depression and role interference.
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Young et al. (2019) conducted an observational in Coronary artery bypass graft (CABG) (n=296). Baseline psychosocial variables (depression, social support, household responsibilities, marital status) was evaluated on 1-year role interference (R2 0.20, p=<0.001). Baseline psychosocial variables, including depression and social support, significantly predicted 1-year role interference in post-CABG patients (R2=0.20, P<0.001), independent of disease severity.
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