Table 1.
Score criteria for questions on hypertension knowledge
| Question | Option | Score |
|---|---|---|
| Single choice questions | ||
| 1. Diagnostic criteria of hypertension | ① 140/90 mmHg; ② 145/95 mmHg; ③ Don’t know/not sure | Correct answer 1; Wrong answer 0; Don't know/not sure 0 |
| 2. Hypertension grading | ① One; ② Two; ③ Three; ④ Don’t know/not sure | |
| 3. Benefits of regular physical activity | ① Prevent hypertension; ② Can’ t prevent hypertension; ③ Don’t know/not sure | |
| 4. Does hypertension need long duration (lifetime) of treatment? | ① Yes; ② No; ③ Don’t know/not sure | |
| 5. The upper limit of salt intake? | ① No more than 2 grams a day; ② No more than 4 grams a day; ③ No more than 6 grams a day; ④ Don’t know/not sure | |
| 6. The minimal rest time before blood pressure measurement? | ① 2–3 minutes; ② 5–15 minutes; ③ Don’t know/not sure | |
| Multiple choice questions | ||
| 7. Common symptoms of hypertension | ① Dizziness; ② Headache; ③ Palpitation; ④ numbness and tingling in limbs, insomnia or other symptoms; ⑤ All the above answers were correct; ⑥ Don’t know/not sure | Correct answer 1; Don’t know/not sure=0; Other answers 0.5 |
| 8. Major risk factors of hypertension | ① Overweight or obesity; ② Heredity; ③ Smoking, drinking; ④ Excessive salt intake; ⑤ All the above answers were correct; ⑥ Don’t know/not sure | |
| 9. Cardiovascular complications of hypertension if blood pressure is not controlled | ① Cerebral infarction; ② Cerebral hemorrhage; ③ Coronary heart disease; ④ Renal failure; ⑤ All the above answers were correct; ⑥ Don’t know/not sure | |
| 10. Hypertension treatment | ① Antihypertensive drugs; ② Diet, lifestyle modifications; ③ All the above answers were correct; ④ Don’t know/not sure |