Table 1.
Sociodemographic and medical history of patients by age.
| Characteristics | Total (N=231), n (%) | Age stratification in years, n (%) | Chi-square test | ||||||
| 18-49 (n=53) | 50-64 (n=66) | 65-74 (n=54) | ≥75 (n=58) | χ2 (dfa) | P value | ||||
| Gender, n (%) | 1.2 (3) | .76 | |||||||
|
|
Male | 124 (53.7) | 28 (52.8) | 39 (59.1) | 28 (51.9) | 29 (50.0) | |||
|
|
Female | 107 (46.3) | 25 (47.2) | 27 (40.9) | 26 (48.1) | 29 (50.0) | |||
| Body mass index stratification in kg/m2, n (%) | 4.6 (3) | .21 | |||||||
|
|
<24 | 61 (27.2) | 13 (26.5) | 12 (18.5) | 16 (30.2) | 20 (35.1) | |||
|
|
≥24 | 163 (72.8) | 36 (73.5) | 53 (81.5) | 37 (69.8) | 37 (64.9) | |||
| Education level, n (%) | 25.9 (6) | <.001 | |||||||
|
|
Primary or junior | 67 (29.3) | 9 (17.3) | 20 (30.3) | 19 (35.2) | 19 (33.3) | |||
|
|
Senior | 59 (25.8) | 5 (9.6) | 25 (37.9) | 16 (29.6) | 13 (22.8) | |||
|
|
University or postgraduate | 103 (45.0) | 38 (73.1) | 21 (31.8) | 19 (35.2) | 25 (43.9) | |||
| Employment status, n (%) | 153.2 (6) | <.001 | |||||||
|
|
Retired | 147 (64.5) | 1 (1.9) | 36 (56.2) | 52 (98.1) | 58 (100.0) | |||
|
|
Part time | 21 (9.2) | 11 (20.8) | 9 (14.1) | 1 (1.9) | 0 (0.0) | |||
|
|
Full time | 60 (26.3) | 41 (77.4) | 19 (29.7) | 0 (0.0) | 0 (0.0) | |||
| Home location, n (%) | 14.0 (3) | .003 | |||||||
|
|
Beijing | 206 (89.6) | 43 (81.1) | 55 (83.3) | 52 (96.3) | 56 (98.2) | |||
|
|
Outside of Beijing | 24 (10.4) | 10 (18.9) | 11 (16.7) | 2 (3.7) | 1 (1.8) | |||
| Living status, n (%) | 7.0 (6) | .32 | |||||||
|
|
Alone | 14 (6.1) | 3 (5.9) | 1 (1.5) | 5 (9.3) | 5 (8.6) | |||
|
|
Only with spouse | 157 (68.6) | 35 (68.6) | 52 (78.8) | 35 (64.8) | 35 (60.3) | |||
|
|
With children | 58 (25.3) | 13 (25.5) | 13 (19.7) | 14 (25.9) | 18 (31.0) | |||
| Enrollment location | 32.1 (3) | <.001 | |||||||
|
|
Outpatient | 145(61.7) | 37(69.8) | 20(29.9) | 16(28.6) | 17(28.8) | |||
|
|
Inpatient | 90(38.3) | 16(30.2) | 47(70.1) | 40(71.4) | 42(71.2) | |||
| Medical history | |||||||||
|
|
Coronary heart disease, n (%) | 25.0 (3) | <.001 | ||||||
|
|
|
No | 100 (43.3) | 36 (67.9) | 22 (33.3) | 13 (24.1) | 29 (50.0) | ||
|
|
|
Yes | 131 (56.7) | 17 (32.1) | 44 (66.7) | 41 (75.9) | 29 (50.0) | ||
|
|
Hypertension, n (%) | 12.7 (3) | .005 | ||||||
|
|
|
No | 111 (48.1) | 16 (30.2) | 37 (56.1) | 33 (61.1) | 25 (43.1) | ||
|
|
|
Yes | 120 (51.9) | 37 (69.8) | 29 (43.9) | 21 (38.9) | 33 (56.9) | ||
|
|
Arrhythmia, n (%) | 10.8 (3) | .01 | ||||||
|
|
|
No | 169 (73.2) | 44 (83.0) | 53 (80.3) | 38 (70.4) | 34 (58.6) | ||
|
|
|
Yes | 62 (26.8) | 9 (17.0) | 13 (19.7) | 16 (29.6) | 24 (41.4) | ||
|
|
Heart failure, n (%) | 5.9 (3) | .12 | ||||||
|
|
|
No | 212 (91.8) | 47 (88.7) | 64 (97.0) | 51 (94.4) | 50 (86.2) | ||
|
|
|
Yes | 19 (8.2) | 6 (11.3) | 2 (3.0) | 3 (5.6) | 8 (13.8) | ||
|
|
Diabetes, n (%) | 5.2 (3) | .16 | ||||||
|
|
|
No | 189 (81.8) | 40 (75.5) | 51 (77.3) | 46 (85.2) | 52 (89.7) | ||
|
|
|
Yes | 42 (18.2) | 13 (24.5) | 15 (22.7) | 8 (14.8) | 6 (10.3) | ||
|
|
Hyperlipidemia, n (%) | 4.3 (3) | .23 | ||||||
|
|
|
No | 156 (67.5) | 33 (62.3) | 40 (60.6) | 40 (74.1) | 43 (74.1) | ||
|
|
|
Yes | 75 (32.5) | 20 (37.7) | 26 (39.4) | 14 (25.9) | 15 (25.9) | ||
|
|
Cerebrovascular disease, n (%) | 3.4 (3) | .34 | ||||||
|
|
|
No | 214 (92.6) | 52 (98.1) | 61 (92.4) | 49 (90.7) | 52 (89.7) | ||
|
|
|
Yes | 17 (7.4) | 1 (1.9) | 5 (7.6) | 5 (9.3) | 6 (10.3) | ||
|
|
Peripheral vascular disease, n (%) | 2.9 (3) | .41 | ||||||
|
|
|
No | 211 (91.3) | 51 (96.2) | 58 (87.9) | 50 (92.6) | 52 (89.7) | ||
|
|
|
Yes | 20 (8.7) | 2 (3.8) | 8 (12.1) | 4 (7.4) | 6 (10.3) | ||
adf: degrees of freedom.