Depression is common among long term care (LTC) residents and has a considerable impact on their quality of life. Therefore, there has been an increased interest in interventions aiming at the reduction of depression among LTC residents. These interventions could be described as formal depression care and include psychosocial interventions (e.g., Creative Arts Interventions), psychotherapeutic interventions (e.g., Life Review) and/or (neuro-)biological interventions (e.g., psychopharmacotherapy). Previous research on the effectiveness of formal depression care suggests that treatments should be more individually tailored. Tailoring treatments, however, is a time- consuming process which may hinder the implementation in LTC. A more integrative approach targeting specific groups of nursing home residents is therefore preferred and may benefit both residents and staff. To do so, insight in moderator effects is needed to better understand and better match treatments to specific groups of LTC residents.

The aim of this study is to provide insight into (1) the effectiveness of interventions, (2) the influence of residents’ characteristics (e.g., residents with cognitive impairment versus residents with physical disabilities) and/or (3) the influence of contextual factors (e.g., group-based versus individual therapy) which may have an impact on the effectiveness of interventions.

Various databases (e.g., EBSCO, PubMed, COHRANE Library) are searched using a predefined search string, combining terms concerning our PICO elements (e.g., “Nursing Home Residents” (P), “Treatment” (I), “Depression” (O)). We only include a) randomized controlled trials investigating the use of formal depression treatments (independent variable), b) among LTC residents and, c) having used a standardized measurement tool for, d) depression (dependent variable). Results of this systematic search will be presented.

Eligible studies will further be screened and assessed for residents’ characteristics and/or contextual factors. A random-effects model will be used to calculate the pooled standardized mean difference (SMD) and to assess the strength of the effects of formal depression treatments on depression. Further subgroup-analysis and meta-regressions will be used to assess the potential moderator effects.

To better match treatments to LTC residents, more insight into the effectiveness, moderator effects and core components of the applied interventions is needed.