Table 2 Random effect logistic regression models exploring factors associated with LLIN use in Dielmo
Characteristics | Subcategory | Number of observations n = 6.558 n (%) | Use of LLINs | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|---|---|---|
No n = 4.233 n (%) | Yes n = 9.301 n (%) | IRR (95% CI) | P-value | aIRR (95% CI) | P-value | |||
Year of LLIN use | ||||||||
1st year of LLIN use (ref) | 1.373 (9.92) | 432 (10.21) | 901 (9.69) | 1 | 1 | |||
2nd year of LLIN use | 1.451 (10.48) | 458 (10.82) | 928 (9.98) | 0.93 (0.77–1.13) | 0.48 | 0.95 (0.78–1.16) | 0.63 | |
3rd year of LLIN use | 1.461 (10.56) | 556 (13.13) | 845 (9.09) | 0.58 (0.47–0.70) | < 0.001 | 0.65 (0.53–0.79) | < 0.001 | |
Fourth year of LLIN use | 1.411 (10.2) | 530 (12.52) | 850 (9.14) | 0.60 (0.50–0.74) | < 0.001 | 0.68 (0.56–0.84) | < 0.001 | |
Fifth year of LLIN use | 1.465 (10.59) | 522 (12.33) | 909 (9.77) | 0.67 (0.55–0.82) | < 0.001 | 0.75 (0.61–0.92) | 0.005 | |
Sixth year of LLIN use | 1.306 (9.44) | 587 (13.87) | 697 (7.49) | 0.34 (0.28–0.42) | < 0.001 | 0.36 (0.29–0.45) | < 0.001 | |
Seventh year of LLIN use | 1.118 (8.08) | 310 (7.32) | 793 (8.53) | 0.94 (0.76–1.17) | 0.61 | 1.15 (0.92–1.44) | 0.23 | |
Eight year of LLIN use | 1.358 (9.81) | 303 (7.16) | 1.042 (11.2) | 1.33 (1.08–1.65) | 0.008 | 1.95 (1.56–2.43) | < 0.001 | |
Ninth year of LLIN use | 1.279 (9.24) | 213 (5.03) | 1.053 (11.32) | 1.94 (1.55–2.43) | < 0.001 | 2.55 (2.01–3.23) | < 0.001 | |
Tenth year of LLIN use | 845 (6.11) | 150 (3.54) | 687 (7.39) | 1.93 (1.49–2.49) | < 0.001 | 2.96 (2.26–3.89) | < 0.001 | |
Eleventh year of LLIN use | 773 (5.59) | 172 (4.06) | 596 (6.41) | 1.30 (1.01–1.68) | 0.041 | 2.33 (1.79–3.04) | < 0.001 | |
Socio-demographic characteristics | ||||||||
Age group | ||||||||
< 5 years (ref) | 2.268 (16.39) | 400 (9.45) | 1.810 (19.46) | 1 | 1 | |||
5–10 years | 2.316 (16.73) | 661 (15.62) | 1.601 (17.21) | 0.60 (0.49–0.72) | < 0.001 | 0.45 (0.37–0.56) | < 0.001 | |
10–14 years | 1.869 (13.5) | 755 (17.84) | 1.067 (11.47) | 0.43 (0.34–0.55) | < 0.001 | 0.27 (0.21–0.34) | < 0.001 | |
15–29 years | 2.870 (20.74) | 1,292 (30.52) | 1.522 (16.36) | 0.40 (0.31–0.51) | < 0.001 | 0.20 (0.15–0.26) | < 0.001 | |
30–44 years | 1.940 (14.02) | 441 (10.42) | 1.469 (15.79) | 0.76 (0.55–1.04) | 0.09 | 0.40 (0.28–0.57) | < 0.001 | |
≥ 45 years | 2.577 (18.62) | 684 (16.16) | 1.832 (19.70) | 1.02 (0.71–1.46) | 0.93 | 0.44 (0.32–0.69) | < 0.001 | |
Sex | ||||||||
Male (ref) | 6.783 (49.01) | 2.267 (53.56) | 4.362 (46.9) | 1 | 1 | |||
Female | 7.057 (50.99) | 1.966 (46.9) | 4.939 (53.1) | 1.64 (1.23–2.20) | 0.001 | 1.89 (1.42–2.51) | < 0.001 | |
Rainfall | ||||||||
1.0014 (1.0011–1.0015) | < 0.001 | 1.0015 (1.0014–1.0017) | < 0.001 | |||||
Entomogical inoculation rate (EIR) | 1.0018 (0.998–1.006) | 0.35 | ||||||