Table 1 Baseline characteristics of participants from the June 2013 cross-sectional survey, by recorded history of clinical malaria (2005–13)
Case record of clinical malaria n = 122 (9 %) | No case record of clinical malaria n = 1221 (91 %) | All villagers n = 1343 | P value* | |
|---|---|---|---|---|
Gender (male) | 81 (66 %) | 597 (49 %) | 687 (51 %) | <0.001 |
Age (years; mean) | 26.8 | 24.1 | 24.3 | 0.107 |
Age groups (years) | ||||
0–4.9 | 2 (2 %) | 161 (13 %) | 163 (12 %) | |
5.0–14.9 | 31 (25 %) | 334 (27 %) | 365 (27 %) | |
15.0–44.9 | 70 (57 %) | 511 (42 %) | 581 (43 %) | |
≥45.0 | 19 (16 %) | 215 (18 %) | 234 (17 %) | <0.001 |
Village | ||||
Krachap Leu | 30 (25 %) | 436 (36 %) | 466 (35 %) | |
O Kting | 38 (31 %) | 240 (20 %) | 278 (21 %) | |
Phnom Dambang | 54 (44 %) | 545 (45 %) | 599 (45 %) | 0.004 |
Occupation | ||||
Child or student | 35 (29 %) | 525 (43 %) | 560 (42 %) | |
Farmer other land | 20 (16 %) | 102 (8 %) | 122 (9 %) | |
Farmer own land | 56 (46 %) | 443 (36 %) | 499 (37 %) | |
Farm labourer | 8 (7 %) | 101 (8 %) | 109 (8 %) | |
Other | 3 (3 %) | 50 (4 %) | 53 (4 %) | 0.002 |
Recent forest visit | 11 (9 %) | 38 (3 %) | 49 (4 %) | 0.001 |
Recent travel history | 23 (19 %) | 243 (20 %) | 266 (20 %) | 0.782 |
Bed net use | ||||
Regular | 118 (97 %) | 1193 (98 %) | 1311 (98 %) | |
Irregular | 4 (3 %) | 28 (2 %) | 32 (2 %) | 0.496 |
Low grade fever ≥37.5 °C | 4 (3 %) | 69 (6 %) | 73 (5 %) | 0.270 |
Fever, by self-report at survey | 18 (15 %) | 148 (12 %) | 166 (12 %) | 0.401 |
Illness, self-report at survey | 32 (26 %) | 371 (30 %) | 403 (30 %) | 0.334 |