Association of Social Support with Rehabilitation Outcome among Older Adults with Hip Fracture Surgery: A Prospective Cohort Study at Post-Acute Care Facility in Asia.

There is growing interest in the role of social support during the recovery after hip fractures. The research to date has been mainly focused on structural support, with few studies concerned with functional support. This study examined the effects of both functional and structural aspects of social support on rehabilitation outcomes among older adults with hip fracture surgery. Prospective cohort study. Consecutive older adults (≥60 years) with hip fracture surgery who underwent inpatient rehabilitation in a post-acute care facility in Singapore between January 11, 2021, and October 30, 2021 (n = 112). We administered the Medical Outcome Study-Social Support Survey (MOS-SSS) to assess perceived functional support of patients and used living arrangement as an indicator for structural support. Participants were followed up over the inpatient stay at the post-acute care facility until discharge; thereafter, rehabilitation efficiency (REy) and rehabilitation effectiveness (REs) were evaluated. Multiple linear regressions were performed to examine the associations of MOS-SSS score and living arrangement with REy and REs, respectively, adjusting for age, gender, ethnicity, comorbidity, body mass index, prefracture function, type of fracture, and length of stay. Perceived functional support had positive associations with rehabilitation outcomes. A 1-unit increase in MOS-SSS total score was associated with 0.15 units (95% CI 0.03-0.3, P = .029) greater gain in physical function after a typical 1-month stay, and 0.21 units (95% CI 0.01-0.41, P = .040) higher achievement in potential functional improvement upon discharge. In contrast, no association was observed between structural support and rehabilitation outcomes. Perceived functional support may significantly impact the recovery of older adults with hip fracture during the inpatient rehabilitation process, independent of structural support. Our findings suggest the potential of incorporating interventions enhancing perceived functional support of patients into the post-acute care model for hip fracture.

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