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Table 2 Physiological age of Anopheles gambiae collected in landing collections, according to location of collection site, Riboque, São Tomé.

From: Raised houses reduce mosquito bites

  Location
Physiological age ( An. gambiae ) Outdoor ground level Veranda Indoor ground level Indoor upper level χ2  
Virgin 167 91 49 14 0.30 n.s
Plug positive 103 44 26 3 0.84 n.s.
Nulliparous II 38 21 12 3 0.57 n.s
Parous with Sac 193 100 58 6 0.04 n.s.
Parous No-sac 90 55 39 8 0.39 n.s.
Proportion parous 0.48 0.50 0.52 0.41