Table 1 Sociodemographic characteristics of elderly participants in Shenzhen
Characteristics | General(n = 124,007) | Female(n = 69,358) | Male(n = 54,649) | Statistics | P |
|---|---|---|---|---|---|
Age (years) | 71.3 ± 5.6 | 71.1 ± 5.6 | 71.5 ± 5.5 | t = 10.5 | < 0.001 |
BMI (Kg/m2) | 23.8 ± 3.2 | 23.9 ± 3.3 | 23.8 ± 3.0 | t = −3.9 | < 0.001 |
SBP (mm Hg) | 134.7 ± 17.7 | 135.4 ± 18.0 | 133.9 ± 17.2 | t = −15.0 | < 0.001 |
DBP (mm Hg) | 77.2 ± 10.3 | 76.4 ± 10.2 | 78.4 ± 10.3 | t = 36.1 | < 0.001 |
WC (cm) | 85.1 ± 8.8 | 84.0 ± 8.8 | 86.5 ± 8.7 | t = 51.1 | < 0.001 |
FBG (mmol/L) | 6.0 ± 1.9 | 6.0 ± 2.0 | 5.9 ± 1.9 | t = −5.3 | < 0.001 |
Education level, n (%) | χ2 = 4180.4 | < 0.001 | |||
Illiterate | 10,054 (8.1) | 7640 (11.0) | 2414 (4.4) | ||
Primary education | 44,096 (35.6) | 27,877 (40.2) | 16,219 (29.7) | ||
Junior school education and above | 69,857 (56.3) | 33,841 (48.8) | 36,016 (65.9) | ||
Marital status, n (%) | χ2 = 1277.3 | < 0.001 | |||
Married or cohabiting | 119,314 (96.2) | 65,614 (94.6) | 53,700 (98.3) | ||
Widowed | 3623 (2.9) | 3001 (4.3) | 622 (1.1) | ||
Divorced | 565 (0.5) | 470 (0.7) | 95 (0.2) | ||
Single | 505 (0.4) | 273 (0.4) | 232 (0.4) | ||
Physical activity, n (%) | χ2 = 296.5 | < 0.001 | |||
Yes | 95,338 (76.9) | 52,054 (75.0) | 43,284 (79.2) | ||
No | 28,669 (23.1) | 17,304 (25.0) | 11,365 (20.8) | ||
Smoking status, n (%) | χ2 = 21,984.6 | < 0.001 | |||
Current smoker | 10,163 (8.2) | 703 (1.0) | 9460 (17.3) | ||
Ex-smoker | 7662 (6.2) | 180 (0.3) | 7482 (13.7) | ||
Never-smoker | 106,182 (85.6) | 68,475 (98.7) | 37,707 (69.0) | ||
Drinking habit, n (%) | χ2 = 13,070.3 | < 0.001 | |||
Non-drinker | 103,388 (83.4) | 65,253 (94.1) | 38,135 (69.8) | ||
Non-habitual drinker | 12,737 (10.3) | 2783 (4.0) | 9954 (18.2) | ||
Habitual drinker | 7882 (6.3) | 1322 (1.9) | 6560 (12.0) | ||
History of cardiovascular disease, n (%) | χ2 = 99.7 | < 0.001 | |||
Yes | 5192 (4.2) | 2549 (3.7) | 2643 (4.8) | ||
No | 118,815 (95.8) | 66,809 (96.3) | 52,006 (95.2) |