Table 2.
Association between characteristics and asymptomatic malaria infections
| Characteristics | Total | PCR | Odds ratio (95% CI) | P value* |
|---|---|---|---|---|
| Positive (%) | ||||
| Sex | ||||
| Male | 264 | 10 (3.8) | 8.67 (1.10–68.19) | 0.014** |
| Female | 221 | 1 (0.5) | 1 | |
| Age (years) | ||||
| >20 | 411 | 10 (2.4) | 1.82 (0.23–14.44) | 0.565 |
| ≤20 | 74 | 1 (1.4) | 1 | |
| Education | ||||
| Up to primary school | 194 | 5 (2.6) | 1.26 (0.38–4.18) | 0.709 |
| Middle school and above | 291 | 6 (2.1) | 1 | |
| Occupation | ||||
| Forest-related | 239 | 10 (4.2) | 10.69 (1.36–84.24) | 0.005** |
| Non-forest-related | 246 | 1 (0.4) | 1 | |
| Family size | ||||
| Less than 3 people | 108 | 3 (2.8) | 1.32 (0.34–5.06) | 0.687 |
| 3 people or more | 377 | 8 (2.1) | 1 | |
| Use of bed net | ||||
| Yes | 481 | 11 (2.3) | – | 0.76 |
| No | 4 | 0 (0) | ||
| Type of bed nets (n = 481) | ||||
| Ordinary bed nets | 395 | 9 (2.3) | 1.21 (0.26–5.53) | 0.979 |
| Insecticide-treated bed nets | 86 | 2 (2.3) | 1 | |
* P value by Chi square test
** Significant at P < 0.05