Advertisement
Table 1 Baseline characteristics of respondents and non-respondents
| I. Total | II. Non-respondents at 6 weeks | III. Respondents at 6 weeksa | IV. Respondents at 6 weeks & 2 yearsa | Comparison Column IV and total nonresponse (P-value) | Comparison Column IV and nonresponse at 6 weeks (P-value) | |
|---|---|---|---|---|---|---|
| N = 1534 | N = 475 | N = 700 | N = 344 | |||
| Age, mean (SD) | 69 (12) | 71 (12) | 65 (11) | 64 (10) | <0.001 | 0.001 |
| Gender (% women) | 34 | 44 | 29 | 27 | 0.001 | 0.2 |
| > 10 years education (%) | 44 | 49 | 0.014 | |||
| > 1 diagnosis (%) | 65 | 72 | 60 | 56 | 0.001 | 0.039 |
| Emergency admission (%) | 70 | 80 | 62 | 58 | <0.001 | 0.07 |
| Acute Coronary Syndrome (%) | 31 | 32 | 28 | 26 | 0.047 | 0.4 |
| Invasive Coronary Procedure (%) | 33 | 22 | 40 | 43 | <0.001 | 0.06 |
| Teaching Hospital (%) | 54 | 48 | 57 | 59 | ||
| Central Hospital (%) | 26 | 27 | 25 | 22 | 0.042 | 0.123 |
| Local Hospital (%) | 20 | 25 | 18 | 19 |
