A model of consequences of dementia caregivers' stress process: influence on behavioral symptoms of dementia and caregivers' behavior-related reactions.

The purpose of this article is to extend the Schultz and Martire Caregiver Stress-Health Model by explaining consequences of the stress process beyond those related to health in dementia caregivers, including consequences for caregivers and the dyadic unit, and to highlight the dynamic that exists between caregivers' stress, behavioral symptoms of dementia, and behavior-related reactions of caregivers. The relevant literature is reviewed, establishing the pervasive effects of caregivers' stress within a care dyad. Primary informal caregivers play a predominant role in managing environmental stimuli and providing for needs, in particular adjusting their own approaches and demeanor to enhance the care environment. Thus, behavioral symptoms of dementia and the behavior-related reactions of caregivers are conceptualized as a dyadic consequence of the caregivers' stress process. This model presents an extended view of the consequences of caregivers' stress and provides a more holistic, dyadic approach to the issues these vulnerable dyads face. Behavioral symptoms of dementia and behavior-related reactions are seen as amenable to caregiver- or dyad-directed interventions that target stress reduction. This conceptualization may provide support for research, clinical, or policy initiatives that include caregiver-directed or dyadic interventions for these important behavior-related outcomes.