Table 2 Description of Plasmodium falciparum infected and uninfected study participants (defined by qPCR)
| Â | Infected (by qPCR) | Uninfected (by qPCR) | ||||
|---|---|---|---|---|---|---|
2010 | 2013 | p-value | 2010 | 2013 | p-value | |
N | 96 | 65 | Â | 138 | 78 | Â |
Age [median (IQR)] | 9.79 (3.61–35.89) | 10.06 (3.31–27.64) | 0.462 | 28.4 (5.86–64.03) | 7.18 (3.28–36.38) | 0.002 |
Age group (%) | Â | Â | 0.737 | Â | Â | 0.016 |
 < 2 years | 8 (8.3) | 10 (15.4) | 15 (10.9) | 14 (17.9) | ||
 2–5 years | 29 (30.2) | 16 (24.6) | 15 (10.9) | 15 (19.2) | ||
 5–10 years | 12 (12.5) | 6 (9.2) | 15 (10.9) | 14 (17.9) | ||
 10–20 years | 15 (15.6) | 12 (18.5) | 0 (0.0) | 1 (1.3) | ||
 20–60 years | 23 (24.0) | 16 (24.6) | 45 (32.6) | 18 (23.1) | ||
 > 60 years | 9 (9.4) | 5 (7.7) | 48 (34.8) | 16 (20.5) | ||
Male (%) | 42 (43.8) | 31 (47.7) | 0.632 | 49 (35.5) | 33 (42.3) | 0.381 |
Anaemia (%) | 47 (49.0) | 28 (43.1) | 0.521 | 79 (57.2) | 39 (50.0) | 0.322 |
Area (%) |  |  | 0.002 |  |  | < 0.001 |
 Ilha Josina | 19 (19.8) | 19 (29.2) | 23 (16.7) | 4 (5.1) | ||
 Malavele | 7 (7.3) | 9 (13.8) | 12 (8.7) | 11 (14.1) | ||
 Manhiça | 26 (27.1) | 11 (16.9) | 45 (32.6) | 25 (32.1) | ||
 Maragra | 30 (31.2) | 6 (9.2) | 51 (37.0) | 15 (19.2) | ||
 Palmeira | 11 (11.5) | 16 (24.6) | 4 (2.9) | 17 (21.8) | ||
 Taninga | 3 (3.1) | 4 (6.2) | 3 (2.2) | 6 (7.7) | ||
Par. dens. qPCR (parasites/µL) [median (IQR)] | 10.46 (1.61–102.94) | 7.61 (1.43–299.84) | 0.999 | NA | NA | |
Clinical malaria (%) | Â | Â | 0.026 | NA | NA | |
 No | 93 (96.9) | 55 (84.6) | ||||
 Yes | 3 (3.1) | 8 (12.3) | ||||
 NA | 0 (0.0) | 2 (3.1) | ||||