Table I.
Demographic and medical characteristics of the NOR-COR sample and the reproducibility sample.
| NOR-COR n = 1127 |
Reproducibility n = 99 |
p-value | |
|---|---|---|---|
| Age, mean (SD) | 61.6 (9.6) | 63.2 (8.8) | ns |
| Female gender, % | 21 | 17 | ns |
| Living alone, % | 26 | 24 | ns |
| Low education,a % | 62 | 55 | ns |
| Coronary diagnosis | ns | ||
| Non-ST elevation MI, n % | 561 (50) | 44 (44) | ns |
| ST elevation MI, n % | 335 (30) | 38 (38) | ns |
| Stable/unstable CHD, n % | 231 (21) | 17 (17) | ns |
NOR-COR: NORwegian CORonary Prevention Study; n: sample size; SD: standard deviation; ns: non-significant; MI: myocardial infarction; CHD: coronary heart disease; ST: ST-segment.
a
Low education was defined as completion of primary or secondary school only.