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Table 2 Indicators of possession, use, physical integrity and chemical efficacy of LLINs inspected during follow-up, Sô-Ava and Akassato, Benin 2015–2016 (N = 240)

From: Impact of the use and efficacy of long lasting insecticidal net on malaria infection during the first trimester of pregnancy - a pre-conceptional cohort study in southern Benin

Characteristics Pre-pregnancy Pregnancy visit 1 Pregnancy visit 2
Total Mean or proportion (95% CI) Total Mean or proportion (95% CI) Total Mean or proportion (95% CI)
Possession of at least one LLIN/household 240   240   203  
Yes 237 98.75 (96.17; 97.60) 239 99.53 (97.06; 99.94) 202 99.51 (96.53; 99.93)
No 3 1.25 (0.40; 3.83) 1 0.42 (0.06; 2.94) 1 0.49 (0.07; 3.47)
Possession of LLIN according to WHO standards (1 LLIN/2 people) 237   239   202  
Yes 178 75.11 (69.16; 80.23) 185 77.41 (71.63; 82.30) 164 81.19 (75.14; 86.03)
No 59 24.89 (19.77; 30.84) 54 22.59 (17.70; 28.37) 38 18.81 (13.96; 24.85)
Use of LLIN by pregnant women 237   239   202  
Yes 199 83.97 (78.69; 89.13) 203 84.94 (79.78; 88.96) 178 88.12 (82.83; 91.93)
No 38 16.03 (11.86; 21.31) 36 15.06 (11.04; 20.22) 24 11.88 (8.06; 17.17)
Physical integrity of pregnant woman’s LLIN 237   239   202  
Good 156 65.82 (59.51; 71.62) 145 60.67 (54.29; 66.70) 115 56.93 (49.95; 63.64)
Bad 81 34.18 (28.38; 40.49) 94 39.33 (33.30; 45.71) 87 43.07 (36.36; 50.05)
Physical integrity of household’s LLIN 169   195   164  
Good 101 59.76 (52.12; 66.96) 117 60.00 (52.91; 66.70) 96 58.54 (50.77; 77.90)
Bad 68 40.24 (33.04; 47.88) 78 40.00 (33.30; 47.09) 68 41.46 (34.10; 49.23)
Bio-efficacy of pregnant women’s LLIN      198  
Yes    12 6.06 (3.46; 10.41)
No    186  
Bio-efficacy of household’s LLIN      126  
Yes    7 5.56 (2.64; 11.30)
No    119 94.44 (88.70; 97.36)