Researchers looked at end-of-life decision-making for older adults in the United States. They used survey data from over 5,000 people aged 50 and older who had passed away. The study compared those who had dementia before death to those who did not, focusing on how care decisions were made.
The study found that people with dementia were more likely to have a completed advance directive (81.3% vs. 69.1%). Their children or grandchildren were also more frequently involved in making care decisions for them (63.9% vs. 45.6%). The study noted that people with dementia had higher 'decision-making needs' in their final days, meaning more decisions had to be made about their care.
It is important to know this was an observational study. This means it can show patterns or links, but it cannot prove that having dementia directly causes more advance planning or family involvement. The data shows these things happened together. Most people in both groups preferred comfort-focused care at the end of life, and over 90% in both groups received care that matched their known preferences.
Readers should take from this that dementia is often associated with more family involvement in care decisions and higher rates of advance planning. This highlights the importance of discussing care wishes early, especially for conditions like dementia that can affect a person's ability to make decisions later. The results describe what happened in a large national sample, but individual experiences will vary.