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Table 3 Scoring of practice items

From: Risk factors of dengue fever in an urban area in Vietnam: a case-control study

Questions

Items

Score

a)

Preventive practices used to prevent mosquito bites at home

 

1. Don’t use any measures

0

2. Wear long sleeves

1

3. Use mosquito repellent creams/ liquid

1

4. Use mosquito nets

1

5. Use mosquito incense/coils

1

6. Use mosquito racket

1

7. Cover water storage

1

8. Clean garbage having water

1

9. Pruning the trees

1

10. Remove standing water inside/outside house

1

11. Spraying

1

Min - Max

0–10

b)

12. Time of using bed net

 

• All the time (day and night)

2

• Only during the day

1

• Only during the night

1

• Don’t use

0

Min - Max

0–2

c)

13. Frequency of cleaning up water containers

 

• Weekly

2

• Don’t have water containers/tanks

1

• Monthly/1–2 times per year/Rarely/Never

0

Min - Max

0–2

d)

14. Using fish for larva elimination

 

• Yes

2

• Don’t have water containers/tanks

1

• No

0

Min - Max

0–2

e)

15. Using anti-mosquito spraying in your house

 

• Yes

1

• No

0

Min - Max

0–1