Caregiver Burden and the Related Factors Among Family Caregivers of Older Persons With Schizophrenia: A Mixed Methods Study.

This was a survey and interview study, not an intervention trial, so it cannot show that depression or anxiety caused higher burden, or that reducing them would lower burden. Burden and distress were self-reported, and the authors note cultural norms around family responsibility could make some caregivers underreport burden. The sample was limited to Southwest Nigeria and caregivers who could read and speak English, so it may not apply to other regions, rural caregivers outside the healthcare system, or paid caregivers. Patient symptom severity was not measured, although it can affect caregiver burden. The qualitative interviews included 20 caregivers from the survey, which is rich but not representative of all experiences. The study describes burden and associations, not the effects of any support intervention.

The authors declared no conflicts of interest.

Do not read the strong association between depression and burden as proof that treating caregiver depression will reduce burden. The study did not test an intervention and cannot show cause and effect.