| Cases: | Control group 1: | Control group 2: | Caregivers |
---|---|---|---|---|
 | Cancer patients ≥ 70 years | Patients without cancer ≥ 70 years | Cancer patients 50 - 69 years |  |
Inclusion criteria | ||||
Consenting after being informed | √ | √ | √ | √ |
Aged 70 years and older | √ | √ |  |  |
Aged between 50 and 69 years |  |  | √ |  |
Life expectancy more than 6 months 1 | √ | √ | √ |  |
Persons who have a thorough command of Dutch | √ | √ | √ |  |
Interview within three months after cancer diagnosis | √ |  | √ |  |
Exclusion criteria | ||||
Persons with a formal diagnosis of dementia | √ | √ | √ |  |
Persons with a previous diagnosis of invasive cancer 2 | √ | √ | √ |  |
Persons too ill to participate 1 | √ | √ | √ |  |