From: Epidemiology of forest malaria in central Vietnam: a large scale cross-sectional survey
Study population, n = 4,306 | N (%) | 95%CI |
---|---|---|
Sex: | ||
- Male | 1,841 (42.8) | [40.7; 44.8] |
- Female | 2,465 (57.2) | [55.2; 59.3] |
Age categories: | ||
- 10–19 y | 959 (22.3) | [21.0; 23.6] |
- 20–29 y | 1,494 (34.7) | [33.4; 36.0] |
- 30–39 y | 972 (22.6) | [20.9; 24.3] |
- 40–49 y | 539 (12.5) | [11.4; 13.7] |
- >50 y | 342 (7.9) | [6.5; 9.4] |
Ethnic groups: | ||
- Rag Lay | 3,705 (86.0) | [83.1; 89.0] |
- Kinh | 227 (5.3) | [3.0; 7.5] |
- Ko'ho | 349 (8.1) | [3.9; 12.3] |
- Others (Cham, Ede, Chu,) | 25 (0.6) | [0.3; 0.9] |
Education level: | ||
- None | 1,968 (45.7) | [42.4; 49.0] |
- Primary school | 1,849 (42.9) | [40.0; 45.9] |
- Secondary school or university | 489 (11.6) | [9.4; 13.3] |
Bed-net coverage, median [range] | 2.5 pers/net | [0.2; 11] |
Bed-net categories: | ||
- No net | 92 (2.1) | [1.1; 3.2] |
- Untreated nets | 22 (0.5) | [0; 1.1] |
- >2 pers./net (treated) | 2,761(64.1) | [60.3; 68.0] |
- 1–2 pers./net ( " ) | 1,431(33.2) | [29.4; 37.1] |
House structure: | ||
- Thatched bamboo | 2,183 (50.7) | [45.3; 56.1] |
- Wooden boards | 1,224 (28.4) | [23.4; 33.4] |
- Dried mud | 236 (5.5) | [2.9; 8.0] |
- Bricks | 663 (15.4) | [12.7; 18.1] |
Socio economic level: | ||
- No radio, no TV, no motorbike | 2,742 (63.7) | [58.8; 68.5] |
- Only radio (no TV, no moto) | 448 (10.4) | [8.7; 12.1] |
- TV (+/-radio) | 461 (10.7) | [8.3; 13.1] |
- Motorbike (+/- radio or TV) | 655 (15.2) | [12.0; 18.4] |
Profession: | ||
- Forest work (farming & other) | 3,412 (79.2) | [76.1; 82.3] |
- Other (rice farmer, teacher, health staff...) | 441 (10.2) | [7.4; 13.1] |
- None (children, students, retired people) | 453 (10.5) | [9.1; 12.0] |
Forest workers, n = 3,412 | ||
Type of forest activity: | ||
- Farming | 3,395 (99.5) | [99.2; 99.8] |
- Exploitation forest products (fishing, hunting, etc...) | 15 (0.4) | [0.1; 0.7] |
- Other (cow breeding, guardian) | 2 (0.06) | [0; 0.1] |
Median number of days/month spent in forest: | 27 | range [0;30] |
Sleeping in the forest: | ||
- Yes | 1,003 (29.4) | [24.0; 34.8] |
- No | 2409 (70.6) | [65.2; 76.0] |
Median number of nights/month spent in forest (n = 1003): | 12 | range [1; 30] |
Sleeping place in the forest: | ||
- Outside | 112 (11.2) | [5.1; 17.2] |
- Plot huts | 891 (88.8) | [82.8; 94.9] |
Using hammocks when sleeping in forest: | ||
- Yes (hammock nets = 27) | 85 (8.5) | [4.8; 12.2] |
- No | 918 (91.5) | [87.8; 95.2] |
Using preventive an/or standby treatment when going to forest: | ||
- Yes | 80 (2.3) | [0.8; 3.9] |
- No | 3332 (97.7) | [96.1; 99.2] |