Table 1 Demographic characteristics for persons sampled in Asembo by year (% [n])
1994 | 2000 | 2007 | 2008 | 2009 | ||
|---|---|---|---|---|---|---|
(n = 636) | (n = 629) | (n = 169) | (n = 173) | (n = 1,038) | ||
Age (in years) | 1 to 5 | 63.4 (403) | 100 (629) | 42.0 (71) | 39.3 (68) | 24.8 (257) |
6 to 15 | 17.6 (112) | 0 (0) | 58.0 (98) | 60.7 (105) | 29.2 (303) | |
16 to 90 | 19.0 (121) | 0 (0) | 0 (0) | 0 (0) | 46.0 (478) | |
Sex | Female | 64.3 (409) | 54.1 (340) | 49.4 (80) | 42.1 (67) | 56.9 (590) |
Male | 35.7 (227) | 45.9 (289) | 50.6 (82) | 57.9 (92) | 43.1 (446) | |
Not recorded | 0 | 0 | 7 | 14 | 2 | |
Blood film resulta | Positive | 80.5 (418) | 54.2 (341) | 36.0 (59) | 42.9 (72) | 36.3 (377) |
Negative | 19.5 (101) | 45.8 (288) | 64.0 (105) | 57.1 (96) | 63.7 (661) | |
Not recorded | 117 | 0 | 5 | 5 | 0 | |
Year village | 1997b | 47.2 (300) | 47.2 (297) | 42.1 (69) | 43.6 (75) | 48.1 (498) |
received ITNs | 1999c | 52.8 (336) | 52.8 (332) | 57.9 (95) | 56.4 (97) | 51.9 (538) |
Not recorded | 0 | 0 | 5 | 1 | 2 | |
Source of samples | Asembo Bay Cohort Projectd,e | ITN follow-up studyf | KEMRI/CDC parasitaemia and anaemia surveyg | KEMRI/CDC parasitaemia and anaemia surveyg | KEMRI/CDC parasitaemia and anaemia surveyg | |
Survey months | April to June | May to June | April | April | March to April |