Variable | Frequency (n) | % |
---|---|---|
Gender | ||
 Male | 113 | 50.4 |
 Female | 111 | 49.6 |
Age (years) | ||
 < 60 | 69 | 30.8 |
 60–70 | 78 | 34.8 |
 > 70 | 77 | 34.4 |
Marital status | ||
 Married | 187 | 83.5 |
 Unmarried (single, divorced or widowed) | 37 | 16.5 |
Educational level | ||
 ≤ Junior high school | 150 | 67.0 |
 Senior high school or secondary technical school | 47 | 21.0 |
 ≥ College degree | 27 | 12.0 |
Monthly income (Yuan) | ||
 < 1000 | 52 | 23.2 |
 1000–3000 | 100 | 44.7 |
 > 3000 | 72 | 32.1 |
Residence | ||
 Countryside | 56 | 25.0 |
 City | 168 | 75.0 |
Illness duration (year) | ||
 < 1 | 73 | 32.6 |
 1–5 | 75 | 33.5 |
 5–10 | 42 | 18.8 |
 > 10 | 34 | 15.2 |
Cardiac function grade | ||
 I | 7 | 3.1 |
 II | 128 | 57.2 |
 III | 82 | 36.6 |
 IV | 7 | 3.1 |
Disease classification | ||
 Angina pectoris | 190 | 84.8 |
 Ischemic cardiomyopathy | 22 | 9.8 |
 Myocardial infarction | 12 | 5.4 |