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Table 1 What do you know? A Chinese lead knowledge test

From: “What do you know?”——knowledge among village doctors of lead poisoning in children in rural China

Questions Rright key right(%) wrong(%) don't know(%)
General knowledge
1. Lead poisoning can be prevented. The key is to keep children from coming in contact with lead True 23 23 54
2. No safe blood lead level in children has been identified. Lead exposure can affect nearly every system in the body, True 12 21 67
3. Lead exposure often occurs in children with no obvious symptoms True 66 23 11
4. Even low lead level in the body can affect a child’s IQ True 26 47 27
5. Lead smelters, a battery recycling plant and other industries such as paintingare likely to dismiss lead to environment True 88 12  
6. Children between the ages of 0 and 6 years old are the main victims of lead poisoning, True 38 18 44
7. Lead paint is only found in newer decorated houses than in older houses True 87 5 8
8. Using lead-containing glazed pottery for cooking in a short time would not increase the risk of lead poisoning in children False 20 76 4
9. Furniture refinishing frequently can increase a child’s exposure to lead True 88 2 10
10. Children who is usually putting their fingers into the month is easy to get lead poisoned True 67 8 25
11. One way for the lead-containing dust is coming from some industries associated with utility lead True 92 7 1
12. Parents who smoke in the house can increase the risk of lead poisoning in children True 32 23 45
13. Parents who work with lead at their jobs can bring lead home on their hair, shin and clothes True 38 43 19
14. Lead can be transferred to the fetus True 15 56 29
15. Lead can be transferred to the brain and damage the child’s ability to learn True 55 16 29
16. Some traditional popular prescription such as “hongdan”, “zhangdan”, and “huangdan” do not include lead and safety for children False 9 79 12
17. Environment contamination with lead is the most widespread source of lead exposure for rural children True 74 12 14
18. Using tin pots to cook or drink is another pathway for children to exposure lead True 44 24 32
19. Lead poisoning in children may produce some symptoms like hard to pay attention and learn, causing behavior problems and the growth and development slow down True 45 12 43
20. Toys and toy jewelry are also the risk factors for children exposure lead True 39 58 3
21. Soil and tape water are the risk factors for children exposure lead True 27 38 35
Prevention measures
22. Teaching children washing their hands usually is good for preventing lead poisoning True 82 10 8
23. If boiling the tap water lead can be removed False 4 87 9
24. If the blood lead level is below 100μg/L, it doesn’t need to treat. Lead can leave the body as children grow up False 6 91 3
25. A small amount of lead is healthy for body because it can stimulate the immune system False 12 85 3
26. Look for foods with calcium, iron, and vitamin D. these foods can help keep lead out of the body True 78 22 0
27. Fresh fruit is healthy for children avoiding lead poisoning True 79 21  
28. A diet with enough protein helps prevent lead poisoning in children True 81 6 13