Fig 1.
Preferred reporting items for systematic reviews and meta-analysis (2018) (Moher et al.).
Fig 2.
Preferred reporting items for systematic reviews and meta-analysis update.
Table 1.
Review studies included in meta-analysis.
Table 2.
Review studies not included in meta-analysis.
Fig 3.
Depression assessed with: Center for Epidemiological Studies Depression Scale (CES-D).
Fig 4.
Depression assessed with: Beck Depression Inventory (BDI-II).
Fig 5.
Behavioral problems assessed with: Revised Memory and Behavior Problem Checklist (RMBPC).
Fig 6.
Caregiving self-efficacy assessed with: Caregiving Self-Efficacy Scale (CSES).
Fig 7.
Caregiver burden assessed with: Zarit Burden Interview (ZBI).
Fig 8.
Positive caregiving experience assessed with: Positive Aspects of Caregiving (PAC).