Table 5 Logistic regression model examining factors associated with sub-microscopic Plasmodium falciparum infection in the study population
Variables | N | Sub-microscopic infection prevalence (n) | Bivariate logistic regression | Multivariate logistic regression | ||
|---|---|---|---|---|---|---|
COR (95% CI) | P value | AOR | P value | |||
Altitude | ||||||
 Lowland | 120 | 29.2 (35) | Reference |  | Reference |  |
 Middle belt | 160 | 37.5 (60) | 1.46 (0.88–2.42) | 0.15 | 0.52 (0.25–1.08) | 0.08 |
 Highland | 120 | 66.7 (80) | 4.86 (2.81–8.39) |  < 0.001*** | 1.76 (0.86–3.60) | 0.13 |
Age group (Years) | ||||||
 < 5 | 165 | 28.5 (47) | Reference |  | Reference |  |
 5–9 | 154 | 51.3 (79) | 2.64 (1.66–4.20) |  < 0.001*** | 3.13 (1.77–5.56) |  < 0.001*** |
 10–14 | 81 | 60.5 (49) | 3.84 (2.20–6.72) |  < 0.001*** | 8.18 (3.91–17.20) |  < 0.001*** |
Gender | ||||||
 Male | 195 | 47.2 (92) | Reference | – |  |  |
 Female | 205 | 40.5 (83) | 0.76 (0.51–1.13) | 0.18 | 0.74 (0.45–1.20) | 0.22 |
Marital status | ||||||
 Married | 293 | 40.6 (119) | Reference | – |  |  |
 Single | 97 | 51.5 (50) | 1.56 (0.98–2.47) | 0.06 | 1.67 (0.94–2.96) | 0.08 |
Use of ITN | ||||||
 Yes | 221 | 35.7 (79) | Reference | – |  |  |
 No | 179 | 53.6 (96) | 2.08 (1.39–3.11) |  < 0.001*** | 1.69 (1.01–2.81) | 0.04* |
Fever | ||||||
 Yes | 28 | 32.1 (9) | Reference |  |  |  |
 No | 372 | 44.6 (166) | 1.7 (0.75–3.86) | 0.20 | 2.21 (0.77–6.40) | 0.14 |
Fever within a month | ||||||
 No fever | 272 | 42.6 (116) | Reference |  | – | – |
 Fever | 128 | 46.1 (59) | 1.15 (0.75–1.76) | 0.52 | – | – |
Anaemia | ||||||
 No | 166 | 22.9 (38) | Reference |  |  |  |
 Yes | 234 | 58.5 (137) | 4.76 (3.05–7.43) |  < 0.001*** | 9.01 (4.51–17.99) |  < 0.001*** |
Malnourished | ||||||
 No | 271 | 42.8 (116) | Reference | – | – | – |
 Yes | 129 | 45.7 (59) | 1.13 (0.74–1.72) | 0.58 | – | – |
Water source | ||||||
 Close | 357 | 42.6 (152) | Reference | – | Reference | – |
 Open | 43 | 53.5 (23) | 1.55 (0.82–2.93) | 0.18 | 1.28 (0.59–2.75) | 0.53 |
Stunting | ||||||
 No | 309 | 41.7 (129) | Reference |  |  |  |
 Yes | 91 | 50.5 (46) | 1.43 (0.89–2.28) | 0.14 | 1.54 (0.85–2.80) | 0.15 |