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Table 6 Circulating filarial antigen (CFA) in Standard 1 pupils from 10 rural primary schools in Tanga District

From: Lymphatic filariasis control in Tanga Region, Tanzania: status after eight rounds of mass drug administration

Time (number) of survey No. pupils registered No. examined (% of registered) No. girls/boys (ratio)a Mean age in years (range)a No. positive for CFA (% of examined) p-value for change in CFA prevalence from previous yearb
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
Sep-13 (9) 1124 990 (88.1) 492/488 (1.01) 7.6 (6–12) 23 (2.3) < 0.001
  1. 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. Results from earlier surveys were given in [17],[18].
  2. aFor examined pupils.
  3. bPearsons chi-square test.