Table 1 Summary of Malawi MIS data from 2012, 2014 and 2017

Survey months

March–April

May–June

April–June

Households

3404

3405

3729

Clusters

140

140

150

Average number of household members in household (95% CI)

4.17 (4.07–4.26)

4.12 (3.99–4.25)

4.46 (4.38–4.55)

Malaria prevalence (%)

 RDT

42.5 (37.0–47.9)

36.2 (29.4–43.0)

36.3 (31.7–40.8)

 Blood smear

27.1 (23.1–31.2)

32.1 (25.5–38.7)

23.9 (20.3–27.4)

ITN data

 Total nets

3316

4754

7182

 Total ITNs

2932

4562

6752

Household ownership (%)

55 (51.2–58.9)

70.2 (65.8–74.6)

82.1 (80.0–84.2)

Household access (%)

19 (15.6–22.3)

30.3 (26.8–33.8)

41.7 (39.1–44.4)

Population access (%)

33.1 (29.8–36.4)

47.1 (43.4–50.8)

58.4 (56.2–60.6)

ITN use (%)

41.1 (37.3–44.9)

53.1 (49.3–56.9)

57.4 (55.0–59.9)