*2.1. Participants*

The study included participants of the University of the Third Age programme in Poland. A total of 296 persons were enrolled, including 258 women and 38 men. Over half of the respondents (54.73%) were in the age range from 60 to 69 years. A similar percentage of the respondents (51.35%) were married. Almost three-quarters of the University of the Third Age participants (71.96%) had higher education (Master's degree). Nearly one-third of the older adults lived in large cities (over 500,000 inhabitants). The vast majority of the respondents (91.55%) were retired. Eighteen respondents had a history of mental disorders. These were: depressive disorders (*n* = 13), bipolar disorder (*n* = 1) and anxiety disorder (*n* = 4).

Detailed sociodemographic characteristics of the respondents are shown in Table 1.

**Table 1.** Sociodemographic characteristics of the respondents.


