1. Calculate Population Attributable Risk Percent Smoke YesNo Yes8429163000 No8749135000 I SM = 84 / 3000 = 0.028 = 28.0 / 1000 I NS = 87 / 5000 = 0.0174 = 17.4 / 1000 (background risk)

2. Calculate Population Attributable Risk Percent (AR%) Smoke YesNo Yes14028603000 No10049005000 Develop CHD Formula: PAR% = Total 240 7760 8000 Q1

3. a) Measuring the impact of the prevention program in practical field applications is (efficacy effectiveness safety) b) Measuring of potential hazards of the preventive tool is the: (efficacy effectiveness safety) Q2

4. a) Types of Surveillance: 1.--------- Example----------- 2.--------- Example----------- b) Components of Surveillance 1.----- 2.----- 3.----- 4.----- Q3