Table 2 Population characteristics between Beijing urban, Beijing rural and Hong Kong
Mean (sd)/Freq (%) | |||
|---|---|---|---|
Beijing urban (1) | Beijing rural (2)a | Hong Kong (3)a | |
Male | N = 2432 | N = 419 | N = 2000 |
Age, mean (sd) | 74.62 (5.62) | 74.89 (5.79) | 74.47 (5.50) |
Currently married | 2136 (87.83 %) | 365 (79.39 %)1 | 1760 (85.46 %)1,2 |
Education ≤ Middle school | 632 (26.02 %) | 248 (72.18 %)1 | 1422 (72.74 %)1 |
Living alone | 149 (6.13 %) | 19 (6.80 %) | 92 (5.58 %) |
Current smoking | 508 (20.89 %) | 157 (35.49 %)1 | 238 (11.42 %)1,2 |
Current alcohol useb | 516 (21.22 %) | 163 (37.35 %)1 | 471 (21.21 %)2 |
Daily exercise < 0.5 h | 645 (26.61 %) | 48 (14.73 %)1 | 523 (27.68 %)2 |
No. of diseases | |||
0 | 534 (21.96 %) | 175 (45.44 %)1 | 435 (19.85 %)2 |
1–2 | 1300 (53.45 %) | 221 (48.05 %) | 1118 (55.43 %) |
≥3 | 598 (24.59 %) | 23 (6.51 %) | 447 (24.72 %) |
Daily drugs ≥ 4 | 663 (27.59 %) | 42 (9.65 %)1 | 137 (6.92 %)1 |
GDS ≥ 8 | 273 (12.06 %) | 5 (1.55 %)1 | 169 (8.92 %)1,2 |
MMSE < 24 | 249 (10.26 %) | 83 (28.93 %)1 | 227 (14.28 %)1,2 |
Female | N = 3888 | N = 559 | N = 2000 |
Age, mean (sd) | 73.85 (5.28) | 73.94 (5.07) | 73.73 (5.32) |
Currently married | 2687 (69.11 %) | 398 (61.94 %)1 | 1069 (49.42 %)1,2 |
Education ≤ Middle school | 2038 (52.46 %) | 430 (85.35 %)1 | 1728 (87.23 %)1 |
Living alone | 494 (12.71 %) | 36 (7.44 %)1 | 341 (18.62 %)1,2 |
Current smoking | 196 (5.04 %) | 32 (5.44 %) | 37 (1.91 %)1,2 |
Current alcohol useb | 64 (1.65 %) | 26 (5.42 %)1 | 51 (2.35 %)2 |
Daily exercise < 0.5 h | 1074 (27.77 %) | 81 (16.57 %)1 | 647 (33.26 %)1,2 |
No. of diseases | |||
0 | 661 (17.00 %) | 162 (29.01 %)1 | 385 (17.85 %)1,2 |
1–2 | 2108 (54.22 %) | 337 (60.05 %) | 1167 (58.88 %) |
≥ 3 | 1119 (28.78 %) | 60 (10.94 %) | 448 (23.27 %) |
Daily drugs ≥ 4 | 1116 (29.15 %) | 87 (15.31 %)1 | 127 (6.70 %)1,2 |
GDS ≥ 8 | 517 (14.13 %) | 11 (2.87 %)1 | 203 (10.64 %)1,2 |
MMSE < 24 | 756 (19.47 %) | 250 (54.72 %)1 | 785 (41.54 %)1,2 |