Table 1 Descriptive statistics. Mean (SE) or proportions (%)
Characteristics | All | Young old (< 65 y) | Old old (≥65 y) |
|---|---|---|---|
N (%) | 5664 (100.0) | 1686 (29.8) | 3978 (70.2) |
Age (mean ± SE)** | 69.6 ± 0.1 | 59.8 ± 0.06 | 73.8 ± 0.09 |
Sociodemographic characteristics | |||
Female (%) | 2988 (52.8) | 886 (52.6) | 2102 (52.8) |
Education level** | |||
Illiterate | 799 (14.1) | 49 (2.9) | 750 (18.9) |
Elementary school | 2322 (41.0) | 570 (33.8) | 1752 (44.1) |
Middle school or higher | 2539 (44.9) | 1065 (63.2) | 1474 (37.1) |
Employed (%)** | 1433 (25.3) | 783 (46.4) | 650 (16.3) |
Partnered (%)** | 4159 (73.4) | 1438 (85.3) | 2721 (68.4) |
Reside in urban area (%) | 2911 (51.4) | 891 (52.8) | 2020 (50.8) |
Cohabitant (%)** | 5155 (91.0) | 1579 (93.7) | 3576 (89.9) |
Health-related variables | |||
Handgrip strength (mean ± SE)** | 29.0 ± 0.1 | 33.1 ± 0.2 | 27.3 ± 0.2 |
SPPB (mean ± SE)** | 10.4 ± 0.03 | 11.4 ± 0.03 | 10.0 ± 0.05 |
MMSE (mean ± SE)** | 26.2 ± 0.05 | 28.0 ± 0.06 | 25.4 ± 0.06 |
Depression (CES-D > 16; %) | 318 (5.6) | 98 (5.8) | 220 (5.5) |
HRQoL | |||
PCS (mean ± SE)** | 46.8 ± 0.1 | 49.3 ± 0.2 | 45.7 ± 0.2 |
MCS (mean ± SE)** | 59.3 ± 0.1 | 58.7 ± 0.2 | 59.6 ± 0.1 |