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Table 2 Baseline factors that might influence decision making

From: The impact of a decision aid about heart disease prevention on patients' discussions with their doctor and their plans for prevention: a pilot randomized trial

Variable Total Group
(n = 75)
Control Group
(n = 34)
Decision Aid Group
(n = 41)
Perceived CHD Risk
Perceived CHD risk
   0–5% 33% 32% 34%
   6–10% 32% 29% 34%
   11–20% 12% 18% 12%
   > 20% 20% 21% 20%
Accurate perception of global CHD risk 22% 23% 21%
Knowledge about Effective Prevention Strategies
Identified "x" as strategy:    
   HTN med 77% 80% 74%
   Cholesterol med 59% 56% 61%
   Smoking cessation 99% 100% 98%
   Aspirin daily 68% 62% 73%
   Diet low in saturated fat 83% 91% 76%
   Exercise regularly 97% 97% 98%
   Weight loss if overweight 92% 91% 93%
   Reduce stress 88% 88% 88%
   Drink a glass of red wine daily 39% 38% 39%
   Take estrogen (women only) 12% 12% 12%
   Take Vitamin E 17% 24% 12%
   Take Calcium 11% 18% 5%
   Monitor AM body temperature 4% 3% 5%
Accurately identified best strategies to lower CHD risk* 45% 47% 44%
Perceived Barriers to CHD Risk Reduction
Lack of knowledge 82% 85% 81%
Difficulty determining how important it is to lower my risk 65% 76% 56%
Difficulty determining the best way to lower my risk 70% 79% 63%
Concerns about other health problems 57% 65% 51%
Lack of symptoms 58% 59% 56%
Difficulty communicating my needs to my doctor 43% 50% 37%
  1. *This includes knowledge of all four interventions (e.g. hypertension med, cholesterol med, smoking cessation, aspirin) supported by the best evidence.