Table 1.
Patient characteristics
| Entire cohort | Patent malaria | Subpatent malaria | P value | |
|---|---|---|---|---|
| N (%) | 800 (100) | 38 (4.8) | 42 (5.3) | – |
| Age (years), n (%) | ||||
| < 5 | 400 (50.0) | 11 (29.0) | 22 (52.4) | 0.04 |
| ≥ 5 to < 20 | 200 (25.0) | 16 (42.1) | 11 (26.2) | 0.16 |
| ≥ 20 | 200 (25.0) | 11 (29.0) | 9 (21.4) | 0.45 |
| Females, n (%) | 494 (62.5) | 24 (63.2) | 25 (59.5) | 0.82 |
| Household members, mean (SD) | 5.0 (1.6) | 4.6 (1.4) | 5.2 (1.7) | 0.10 |
| Electricity, n (%) | 164 (20.6) | 4 (10.8) | 9 (21.4) | 0.23 |
| Number of bed nets per household, mean (SD) | 1.7 (1.3) | 1.5 (1.2) | 1.7 (1.1) | 0.34 |
| Slept under a bed net prior night, n (%)* | 629 (78.6) | 26 (68.4) | 32 (76.2) | 0.46 |
| Using a treated net | 514 (81.7) | 23 (88.5) | 28 (87.5) | 1.00 |
| Using a torn net | 239 (38.0) | 9 (34.6) | 11 (34.4) | 1.00 |
| Reported fever within prior 24 hours, n (%) | 108 (13.5) | 11 (29.0) | 6 (14.3) | 0.17 |
| Malaria treatment during prior 2 weeks, n (%) | 50 (6.3) | 2 (5.3) | 1 (2.4) | 0.60 |
| Hospitalized during preceding 3 months for malaria, n (%) | 17 (2.1) | 0 (0) | 0 (0) | – |
| Hemoglobin (g/dL), mean (SD) | 12.0 (1.7) | 11.5 (1.8) | 12.1 (1.9) | 0.12 |
| Age group (years) | ||||
| < 5 | 11.2 (1.3) | 10.8 (2.2) | 11.5 (1.6) | 0.37 |
| ≥ 5 to < 20 | 12.4 (1.3) | 11.6 (1.3) | 12.5 (1.0) | 0.05 |
| ≥ 20 | 13.1 (1.8) | 12.1 (1.9) | 13.4 (2.6) | 0.22 |
| Parasites/mL blood, median (IQR) | – | 896 (198–15,798) | – | – |
| Age group (years) | ||||
| < 5 | – | 834 (595–20,673) | – | – |
| ≥ 5 to < 20 | – | 5,794 (303–21,710) | – | – |
| ≥ 20 | – | 675 (23–1,905) | – | – |
IQR = interquartile range; SD = standard deviation.
*
Proportion calculated using all subjects. All other proportions exclude those with missing data.