Table 5.
Bivariate and multivariate analysis of factors associated with previous exposure to TGR
| Variable | Positive (n) | Total (N) | % Positive (95% CI) | Unadjusted OR (95% CI) | P value | G P value | AOR (95% CI) | M P value |
|---|---|---|---|---|---|---|---|---|
| Residence | ||||||||
| Rural | 8 | 558 | 0.5 (0.1–1.0) | 0.5541 (0.1256–2.4452) | 0.4357 | 0.4357 | – | – |
| Urban | 4 | 212 | 1.0 (0.0–2.2) | REF | – | – | REF | – |
| Sex | ||||||||
| Male | 3 | 317 | 0.5 (0.0–1.1) | REF | – | – | REF | – |
| Female | 9 | 453 | 0.8 (0.3–1.4) | 1.73 (0.48–6.29) | 0.4045 | 0.4045 | – | – |
| Age (in years) | ||||||||
| 15–29 | 5 | 368 | 0.7 (0.2–1.2) | 1.93 (0.56–6.72) | 0.3002 | – | – | – |
| 30–49 | 3 | 285 | 0.4 (0.0–0.8) | REF | – | – | REF | – |
| 50–64 | 4 | 117 | 1.5 (0.0–3.4) | 4.12 (0.81–20.99) | 0.0886 | 0.229 | – | – |
| Education level | ||||||||
| No primary | 5 | 156 | 0.9 (0.0–2.0) | 1.76 (0.34–9.12) | 0.5028 | 0.794 | – | – |
| Some primary | 3 | 211 | 0.7 (0.0–1.5) | 1.38 (0.25–7.57) | 0.7132 | – | – | – |
| Complete primary and secondary+ | 4 | 403 | 0.5 (0.0–1.2) | REF | – | – | REF | – |
| Wealth quintiles | ||||||||
| Lowest | 5 | 161 | 1.2 (0.1–2.3) | 7.35 (1.09–49.75) | 0.041* | – | – | – |
| Second | 1 | 147 | 0.2 (0.0–0.5) | REF | – | – | REF | – |
| Middle | 1 | 130 | 0.3 (0.0–0.8) | 1.54 (0.09–27.19) | 0.7663 | 0.1108 | – | – |
| Fourth | 4 | 129 | 1.3 (0.0–3.1) | 8.21 (0.69–97.30) | 0.0952 | – | – | – |
| Highest | 1 | 203 | 0.4 (0.0–1.2) | 2.46 (0.14–42.98) | 0.5382 | – | – | – |
| Province | ||||||||
| Nairobi | – | – | – | – | – | – | – | – |
| Central | – | – | – | – | – | – | – | – |
| Coast | 10 | 89 | 7.2 (1.1–13.4) | 23.16 (2.14–250.24) | 0.0097* | – | – | – |
| Eastern | – | – | – | – | – | – | – | – |
| North Eastern | 1 | 100 | 0.3 (0.0–1.1) | REF | – | – | REF | – |
| Nyanza | – | – | – | – | – | – | – | – |
| Rift Valley | – | – | – | – | – | – | – | – |
| Western | 1 | 99 | 0.7 (0.0–2.0) | 1.94 (0.10–37.96) | 0.6601 | 0.0064* | – | – |
AOR = adjusted odds ratio; CI = confidence interval; TGR = typhus group rickettsioses; REF = reference.
P value is the category P value, G P value is the global P value for the bivariate variable, M P value is the category multivariate P value.
*
Bold values have significant P values.