Table 1 Sample size calculations
| Â | % adherence to European Guidelines on CVD prevention in high risk group(CRAFTS baseline data) | Â | Target change to detect % | Sample size per group |
|---|---|---|---|---|
Moderate or vigorous exercise for 20 mins 3 or more times/week | 17 | Â | Increase by 20% | 73 |
Dietary intake of 3 vegetables portions & 2 fruit portions or more/day | 21 | Â | Increase by 20% | 80 |
No smoking % in stroke and TIA patient population | 85 | Â | Increase by 15% | 61 |
% subjects fulfilling all 3 criterion | 9 | Â | Increase by 20% | 56 |
|  | Mean (sd) of baseline measures from pilot study in stroke patients | Mean change in intervention group – pilot study | Target change to detect |  |
Cardiac Risk Score | 9.4 (6.80) | 1.52 | 4.0 | 72 |
VO2 exercise test | 10.87 (1.71) | 1.48 | 1.0 | 46 |
HAD – Anxiety subscale | 6.13 (3.71) | 0.86 | 1.5 | 54 |