Table 7

Circulating filarial antigen (CFA) prevalence in Standard 1 pupils from the 10 primary schools
Time (number) of survey No. pupils registered No. examined (% of registered) No. girls/boys (ratio)* Mean age in years (range)* No. positive for CFA (% of examined) p-value for change in CFA prevalence from previous year#
Sep-04 (1) 888 832 (93.7) 399/433 (0.92) 8.1 (6-14) 210 (25.2) -
Sep-05 (2) 892 691 (77.5) 337/354 (0.95) 7.5 (6-14) 163 (23.6) 0.50
Oct-06 (3) 981 803 (81.9) 406/397 (1.02) 7.9 (6-12) 187 (23.3) 0.84
Oct-07 (4) 953 806 (84.6) 433/373 (1.16) 7.7 (6-16) 101 (12.5) < 0.001
Oct-08 (5) 971 848 (87.4) 419/429 (0.98) 7.6 (6-12) 82 (9.7) 0.064
Oct-09 (6) 855 760 (88.9) 386/374 (1.03) 7.6 (6-12) 49 (6.4) 0.018
Nov-10 (7) 966 831 (86.0) 404/427 (0.95) 7.5 (6-12) 51 (6.1) 0.80
Dec-11 (8) 943 889 (94.3) 421/468 (0.92) 7.5 (6-11) 50 (5.6) 0.65

Each year, the new intake of Standard 1 pupils in the 10 schools (Kiomoni, Mafuriko, Marungu, Kirare, Mapojoni, Pongwe, Kigandini, Maweni, Ziwani and Kange) was examined for CFA with ICT cards.

* For examined.

# Pearsons chi-square test.

Simonsen et al.

Simonsen et al. BMC Infectious Diseases 2013 13:335   doi:10.1186/1471-2334-13-335

Open Data