Table 2.

Characteristics of the study sample (n = 1128)

Characteristics	Mean (SD) or n (%)
Age, 62–102 years, mean (SD)	73.9 (7.5)
<75 years, n (%)	689 (61.1)
≥75 years, n (%)	439 (38.9)
Sex (female), n (%)	596 (52.8)
Educational level
Low, n (%)	132 (11.7)
Medium, n (%)	380 (33.7)
High, n (%)	616 (54.6)
Region
Amsterdam, n (%)	497 (44.1)
Zwolle, n (%)	371 (32.9)
Oss, n (%)	260 (23.0)
COVID-19 infection
Yes (told by healthcare professional or based on diagnostic test), n (%)	29 (2.6)
COVID-19 infection close relative (partner, parent, child)
Positive diagnostic test, n (%)	40 (3.5)