Table 1.
Characteristics of the total study population and by sex and age group
| Total (n = 656) | Women (n = 420) | Men (n = 236) | 66 y (n = 383) | 81–87 y (n = 243) | ≥90 y (n = 30) | |
|---|---|---|---|---|---|---|
| Age | 73.3 (±9.0) | 74.1 (±9.3) | 71.7 (±8.2) | 66.0 (±1.0) | 82.6 (±2.3) | 91.1 (±2.3) |
| Sex | ||||||
| Women | 420 (64) | n/a | n/a | 228 (59) | 165 (68) | 17 (90) |
| Education | ||||||
| University | 375 (57) | 223 (53) | 152 (64) | 255 (66) | 111 (46) | 9 (30) |
| Marital status | ||||||
| Married/living together | 367 (56) | 193 (46) | 174 (74) | 252 (66) | 113 (46) | 2 (7) |
| Body mass index | ||||||
| Underweight, < 20 | 25 (4) | 24 (6) | 1 (0.5) | 9 (2) | 14 (6) | 2 (7) |
| Normal, 20–24 | 287 (44) | 200 (48) | 87 (37) | 171 (45) | 102 (42) | 14 (47) |
| Overweight, 25–29 | 254 (39) | 140 (33) | 114 (48) | 151 (39) | 92 (38) | 11 (37) |
| Obese, ≥30 | 89 (13) | 55 (13) | 34 (14) | 52 (14) | 34 (14) | 3 (10) |
| Physical function | ||||||
| One-leg-stance ≥5 s | 587 (90) | 292 (72) | 180 (79) | 354 (92) | 110 (49) | 8 (28) |
| 5 STS test, able to | 472 (74) | 372 (89) | 215 (92) | 375 (98) | 197 (82) | 15 (52) |
| Use walking aid | 82 (10) | 69 (17) | 13 (5.5) | 7 (2) | 57 (24) | 18 (60) |
| Physical activity | ||||||
| Sedentary, % of wear time | 60.2 (±10.8) | 59.1 (±10.4) | 62.1 (±10.8) | 58.3 (±10.9) | 62.2 (±9.9) | 67.3 (±11.1) |
| Light PA, % of wear time | 36.1 (±10.1) | 37.3 (±9.9) | 34.1 (±10.1) | 37.0 (±10.4) | 35.4 (±9.2) | 31.1 (±10.6) |
| MVPA, % of wear time | 3.6 (±3.0) | 3.6 (±2.9) | 3.7 (±3.1) | 4.6 (±3.0) | 2.4 (±2.3) | 1.6 (±2.8) |
| Steps/day | 8696 (±3779) | 8571 (±3820) | 8918 (±3704) | 10,106 (±3573) | 6952 (±3011) | 4818 (±3390) |
| Accelerometer wear time, min/day | 852 (± 64) | 850 (± 62) | 857 (± 66) | 866 (± 62) | 834 (± 60) | 831 (± 66) |
| Self-reported regulara MVPAb | 542 (88) | 353 (88) | 189 (86) | 326 (90) | 194 (85) | 22 (76) |
Data are reported as numbers (%) or mean (±SD). aEvery day or several times/week, bn = 619. MVPA = moderate-to-vigorous physical activity; PA = physical activity; 5 STS = 5 times sit to stand test