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Table 2 Plasmodium falciparum prevalence by site, age group and year

From: Longitudinal estimation of Plasmodium falciparum prevalence in relation to malaria prevention measures in six sub-Saharan African countries

 

Burkina Faso, Nanoro

Gabon, Lambaréné

Ghana, Agogo

Kenya, Kombewa

Malawi, Lilongwe

Tanzania, Bagamoyo

Tanzania, Korogwe

Ghana, Kintampo

Pooled (GEE model)

Survey 1

 6 months–4 years

52.5 (47.6–57.3)

6.0 (3.9–8.8)

23.2 (19.1–27.6)

43.8 (38.8–48.8)

11.5 (8.5–15.0)

10.0 (7.2–13.4)

4.6 (2.8–7.2)

25.9 (21.7–30.5)

22.2 (12.7–35.8)

 5–19 years

59.1 (51.6–66.4)

10.3 (6.6–15.2)

19.7 (14.5–25.9)

53.4 (46.3–60.4)

19.0 (13.8–25.1)

16.0 (11.1–21.9)

6.6 (3.7–10.9)

41.2 (34.4–48.3)

28.2 (17.0–42.8)

 ≥ 20 years

14.9 (10.2–20.7)

5.0 (2.3–9.2)

6.0 (3.1–10.3)

17.4 (12.3–23.4)

9.5 (5.8–14.4)

3.7 (1.6–7.1)

2.5 (0.8–5.7)

15.9 (11.1–21.8)

9.3 (6.1–14.0)

Survey 2

 6 months–4 years

67.7 (62.9–72.2)

7.3 (4.9–10.3)

19.5 (15.7–23.7)

22.8 (18.7–27.2)

6.3 (4.1–9.1)

2.0 (0.9–3.9)

1.0 (0.3–2.6)

16.7 (13.2–20.7)

17.9 (7.7–36.2)

 5–19 years

81.8 (75.7–86.9)

15.9 (11.2–21.7)

28.4 (22.2–35.1)

42.0 (35.1–49.2)

14.4 (9.9–20.1)

6.9 (3.9–11.1)

2.5 (0.8–5.7)

42.0 (35.1–49.2)

29.2 (15.5–48.2)

 ≥ 20 years

32.0 (25.6–39.0)

7.2 (4.0–11.8)

6.5 (3.5–10.9)

9.0 (5.4–13.9)

4.5 (2.1–8.4)

2.1 (0.6–5.2)

1.0 (0.1–3.6)

11.1 (7.1–16.3)

9.2 (4.5–17.8)

Survey 3

 6 months–4 years

66.3 (61.4–71.0)

9.0 (6.4–12.3)

15.0 (11.7–18.9)

27.4 (23.1–32.1)

3.5 (1.9–5.8)

1.3 (0.4–2.9)

2.5 (1.2–4.6)

27.0 (22.7–31.6)

19.0 (8.6–37.0)

 5–19 years

79.6 (73.5–84.9)

17.3 (12.4–23.3)

19.8 (14.5–26.0)

54.2 (47.1–61.3)

9.0 (5.4–13.9)

1.0 (0.1–3.4)

4.8 (2.2–8.9)

51.5 (44.4–58.5)

29.7 (14.8–50.6)

 ≥ 20 years

42.7 (35.7–49.9)

8.0 (4.7–12.7)

1.5 (0.3–4.3)

18.2 (13.1–24.3)

7.5 (4.3–12.1)

1.6 (0.3–4.5)

2.4 (0.8–5.4)

15.5 (10.7–21.3)

12.2 (5.6–24.3)

Survey 4

 6 months–4 years

53.4 (48.4–58.4)

6.8 (4.5–9.7)

–

–

–

–

–

26.6 (22.3–31.2)

28.9 (12.4–53.8)

 5–19 years

70.7 (63.8–76.8)

12.6 (8.3–18.1)

–

–

–

–

–

53.6 (46.6–60.6)

45.6 (21.7–71.8)

 ≥ 20 years

25.5 (19.6–32.1)

3.0 (1.1–6.4)

–

–

–

–

–

17.7 (12.6–23.7)

15.4 (7.5–29.1)

  1. Pooled (GEE model), estimated proportion using generalized estimating equations with centre as random effect
  2. M months of age, Y years of age, – centres not included in the fourth survey