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Table 1 Summary of participants by treatment group

From: Environmental modifiers of RTS,S/AS01 malaria vaccine efficacy in Lilongwe, Malawi

VariableC3 + C
(n = 248)
R3 + C
(n = 262)
R3 + R
(n = 247)
All
(n = 757)
Gender N (%)
Male130 (52.42)127 (48.47)121 (48.99)378 (49.93)
Female117 (47.18)135 (51.53)125 (50.61)377 (49.80)
Missing1 (00.40)0 (00.00)1 (00.40)2 (00.26)
First Measured Roof Type N (%)
Grass49 (19.76)65 (24.81)48 (19.43)162 (21.40)
Metal177 (71.37)176 (67.94)178 (72.06)531 (70.15)
Missing22 (08.87)21 (8.02)21 (08.50)64 (08.45)
Percent Vegetation Cover (100 m) N (%)
Less than 1%71 (28.63)72 (27.48)70 (28.34)213 (28.14)
1 to 5%120 (48.39)138 (52.67)126 (51.01)384 (50.73)
5 to 10%41 (16.53)40 (15.27)39 (15.79)120 (15.85)
Over 10%5 (02.02)5 (01.91)3 (01.21)13 (01.72)
Missing11 (04.44)7 (02.67)9 (03.64)27 (03.57)
Estimated MTI Prevalence N (%)
Less than 1%32 (12.90)26 (09.92)25 (10.12)83 (10.96)
1 to 5%115 (46.37)122 (46.56)110 (44.53)347 (45.84)
5 to 10%55 (22.18)57 (21.76)54 (21.86)166 (21.93)
Over 10%31 (12.50)39 (14.89)42 (17.00)112 (14.80)
Missing15 (06.05)18 (06.87)16 (06.48)49 (06.47)
Incidence Rate (Cases per Year)
First 18 Months0.500.280.220.33
Second 18 Months0.320.260.170.25
All Three Years0.420.280.190.30