Table 2.

The characteristics of the participants

Variables		Values	Men	Women
The number of participants	n (%)	905	420 (46.4%)	485 (53.6%)
Age	Mean ± SD	75.7 ± 5.0	76.0 ± 5.1	75.5 ± 4.9
Body mass index		22.5 ± 2.9	22.7 ± 2.6	22.2 ± 2.9
Family arrangement
living alone, n (%)		96 (10.6%)	33 (7.9%)	63 (13.0%)
living with a partner, n (%)		329 (36.4%)	168 (40.0%)	161 (33.2%)
living with parent(s) and/or child (ren), n (%)		337 (37.2%)	138 (32.9%)	199 (41.0%)
unknown, n (%)		143 (15.8%)	81 (19.3%)	62 (12.8%)