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Group-Based Trajectory Modeling of Caregiver Psychological Distress Over Time

  • Original Article
  • Published:
Annals of Behavioral Medicine

Abstract

Background

Competing theories of adaptation and wear-and-tear describe psychological distress patterns among family caregivers.

Purpose

This study seeks to characterize psychological distress patterns in family caregivers and identify predictors.

Methods

One hundred three caregivers of care recipients with primary malignant brain tumors were interviewed within 1, 4, 8, and 12 months post-diagnosis regarding psychological distress; care recipients were interviewed regarding clinical/functional characteristics. Group-based trajectory modeling identified longitudinal distress patterns, and weighted logistic/multinomial regression models identified predictors of distress trajectories.

Results

Group-based trajectory modeling identified high-decreasing (51.1 % of caregivers) and consistently low (48.9 %) depressive symptom trajectories, high-decreasing (75.5 %) and low-decreasing (24.5 %) anxiety trajectories, and high (37.5 %), moderate (40.9 %), and low-decreasing (21.6 %) caregiver burden trajectories. High depressive symptoms were associated with high trajectories for both anxiety and burden, lower caregivers age, income, and social support, and lower care recipient functioning.

Conclusions

Our data support the adaptation hypothesis; interventions should target those at risk for persistent distress.

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Acknowledgements

Support for this research was provided by the National Cancer Institute (R01 CA118711-01A1) as part of the Mind-Body Interactions in Neuro-Oncology Family Caregivers study, Principal Investigator Paula R. Sherwood. The authors wish to thank the Innovations in Cancer Care team for data collection and management, and our participants who donated their time and insight to this project.

Conflict of Interest Statement

The authors have no conflict of interest to disclose.

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Correspondence to Chien-Wen J. Choi MS.

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Choi, CW.J., Stone, R.A., Kim, K.H. et al. Group-Based Trajectory Modeling of Caregiver Psychological Distress Over Time. ann. behav. med. 44, 73–84 (2012). https://doi.org/10.1007/s12160-012-9371-8

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