Table 1.
Characteristics of participants at the census and surveys in Trà Cang commune
| Description | Census | S1 | S2 | S3 | S4 | S5 | S6 |
|---|---|---|---|---|---|---|---|
| Months | Aug/Sept 2014 | Nov 2014 | Jan 2015 | Mar 2015 | May 2015 | July 2015 | Nov/Dec 2015 |
| No. surveyed | 441 (100%) | 347 (78.7%) | 358 (81.2%) | 295 (66.9%) | 296 (67.1%) | 280 (63.5%) | 323 (73.2%) |
| Village, n (%) | |||||||
| Tu Nak | 209 (47.4%) | 149 (42.9%) | 160 (44.7%) | 126 (42.7%) | 141 (47.6%) | 134 (47.9%) | 152 (54.3%) |
| Xe Xua | 189 (42.9%) | 161 (49.3%) | 167 (49.3%) | 146 (49.5%) | 132 (44.6%) | 114 (40.7%) | 138 (49.3%) |
| Tak Lang | 43 (9.8%) | 7 (10.7%) | 31 (8.7%) | 23 (7.8%) | 23 (7.8%) | 32 (11.4%) | 33 (11.8%) |
| Agegroups (years) | |||||||
| 0.5–5 | 76 (17.2%) | 73 (21.0%) | 76 (21.2%) | 72 (24.4%) | 63 (21.3%) | 69 (24.6%) | 78 (24.2%) |
| 6–20 | 188 (42.6%) | 136 (39.2%) | 142 (39.7%) | 98 (33.2%) | 132 (44.6%) | 105 (37.5%) | 121 (37.5%) |
| 21–40 | 116 (26.3%) | 88 (25.4%) | 88 (24.6%) | 80 (27.1%) | 59 (19.9%) | 64 (22.9%) | 77 (23.8%) |
| 41–60 | 43 (9.8%) | 36 (10.4%) | 38 (10.6%) | 30 (10.2%) | 29 (9.8%) | 29 (10.4%) | 34 (10.5%) |
| > 60 | 18 (4.1%) | 14 (4.0%) | 14 (3.9%) | 15 (5.1%) | 13 (4.4%) | 13 (4.6%) | 13 (4.0%) |
| Males, (%) | 237 (53.7%) | 176 (50.7%) | 181 (50.6%) | 143 (48.5%) | 143 (48.3%) | 134 (47.9%) | 163 (50.5%) |
| Occupation, n (%) | |||||||
| Farmer | 199 (45.1%) | ||||||
| School | 160 (36.3%) | ||||||
| Other | 82 (18.6%) | ||||||
| Bednet use in previous month (%) | |||||||
| Always using bednet | 85.3 | 80.5 | 82.4 | 88.9 | 93.2 | 90.1 | |
| Never using bednet | 5.8 | 7.5 | 8.5 | 5.7 | 5.7 | 4.3 | |
| Bednet-users using LLIN | 100.0 | 98.5 | 100.0 | 99.7 | 100.0 | 93.2 | |
| Forest fields in previous month (%) | |||||||
| Proportion that worked in field | 18.2 | 56.7 | 59.7 | 74.0 | 71.4 | 53.3 | |
| Slept in field | 10.7 | 12.3 | 16.6 | 27.0 | 26.1 | 3.7 | |
| Deep forest activities | 8.6 | 10.1 | 4.8 | 0.3 | 7.5 | 9.3 | |
| Slept in deep forest | 1.4 | 0.8 | 1.4 | 0.0 | 0.4 | 0.3 | |
| Slept in other village in previous month | 0.0 | 0.3 | 0.0 | 0.0 | 0.4 | 8.1 | |
| Fever (%) | |||||||
| Reported fever in previous month | 7.5 | 0.6 | 0.3 | 0.3 | 0.0 | 0.0 | |
| Measured fever at survey | 11.0 | 1.4 | 1.0 | 2.0 | 2.1 | 0.0 | |