Table 4 Human exposure patterns to Anopheles gambiae s.l. bites by season

Exposure for an unprotected individual

 Percentage of vector bites occurring indoors for an unprotected individual (\(\pi_{I,u}\))

79%

75%

 Percentage of vector bites occurring while asleep indoors for an unprotected individual (\(\pi_{S,u}\))

68%

68%

Exposure prevented by ITN use

 Percentage of all vector bites prevented by using an ITN (\(P_{S}^{*}\))

66%

66%

Remaining exposure for an ITN-user

 Percentage of remaining exposure occurring indoors (\(\pi_{l,p}\)) and (outdoors) (\(\pi_{O,p}\)) for a protected user of an ITN

39% (61%)

27% (73%)

Population mean exposure based on observed level of net use

 Population-wide mean personal protection against biting exposure provided by observed level of ITN use \(P_{{S,C_{h} }}^{*}\)

39%

42%