Table 5 Uni- and multivariable mixed effects logistic regression models to assess the potential influence of changes in bed net ownership, SES and NDVI between visit 1 and visit 2 on change of P. falciparum RDT result from positive at visit 1 to negative at visit 2
Covariate | N | N-chgd. | %-chgd. | Univariable | Multivariable | ||||
|---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | p value | OR | 95% CI | p value | ||||
Gender | |||||||||
 Femalea | 3663 | 80 | 2.18 | 1.00 | – to – | – | 1.00 | – to – | – |
 Male | 3106 | 80 | 2.58 | 1.17 | (0.97 to 1.41) | 0.0950 | 1.12 | (0.94 to 1.35) | 0.2042 |
Age at visit 1, years | |||||||||
 0– < 5a | 1026 | 16 | 1.56 | 1.00 | – to – | – | 1.00 | – to – | – |
 5– < 10 | 1158 | 32 | 2.76 | 1.95 | (1.31 to 2.88) | 0.0009 | 1.94 | (1.29 to 2.91) | 0.0013 |
 10– < 20 | 1592 | 67 | 4.21 | 3.00 | (2.12 to 4.26) | < 0 .0001 | 2.98 | (2.10 to 4.23) | < 0.0001 |
 20– < 40 | 1720 | 25 | 1.45 | 0.98 | (0.49 to 1.99) | 0.9658 | 0.99 | (0.47 to 2.07) | 0.9823 |
 ≥ 40 | 1273 | 20 | 1.57 | 1.02 | (0.50 to 2.07) | 0.9588 | 1.00 | (0.49 to 2.03) | 0.9947 |
Change in bed net ownership | |||||||||
 Lost net | 211 | 8 | 3.79 | 0.74 | (0.67 to 0.82) | < 0.0001 | 0.76 | (0.57 to 1.02) | 0.0669 |
 No changea | 6170 | 141 | 2.29 | 1.00 | – to – | – | 1.00 | – to – | – |
 Received net | 388 | 11 | 2.84 | 0.99 | (0.49 to 1.98) | 0.9732 | 1.04 | (0.48 to 2.24) | 0.9209 |
Change in SES score | |||||||||
 (Per unit) | – | – | – | 0.93 | (0.74 to 1.17) | 0.5614 | 0.96 | (0.70 to 1.31) | 0.7984 |
Relative change in NDVI | |||||||||
 Per 1% change | – | – | – | 1.10 | (1.00 to 1.21) | 0.0565 | 1.10 | (0.99 to 1.22) | 0.0756 |