Table 5.
Univariable and multivariable logistic regression analyses of sociodemographic and clinical features with anti-DENV antibodies
| Variable | Anti-DENV IgM | Anti-DENV IgG | |||
|---|---|---|---|---|---|
| COR (95%CI) | AOR (95%CI) | COR (95%CI) | AOR (95%CI) | ||
| Sex | Male | 1 | 1 | 1 | 1 |
| Female | 0.95(0.61–1.50) | 1.14(0.66–1.99) | 1.71(1.12–2.62) | 2.24(1.32–3.26) | |
|
Age (years) |
5–10 | 1 | 1 | 1 | 1 |
| 11–20 | 2.54(0.91–7.15 | 2.56(0.82–7.99) | 0.42(0.19–0.90) | 0.35(0.14–0.88) | |
| 21–30 | 2.25(0.82–6.17) | 1.88(0.53–6.64) | 0.37(0.17–0.78) | 0.36(0.13–1.02) | |
| 31–40 | 3.23(1.08–9.62) | 2.25(0.54–9.48) | 0.70(0.29–1.66) | 0.78(0.22–2.78) | |
| 41–50 | 2.15(0.63–7.35) | 1.48(0.31–7.06) | 0.67(0.25–1.75) | 0.47(0.12–1.85) | |
| 51 and above | 2.10(0.57–7.76) | 1.42(0.27–7.45) | 0.46(0.16–1.31) | 0.51(0.12–2.20) | |
| Education status | No formal education | 1 | 1 | 1 | 1 |
| Grade 1-8th | 1.07(0.64–1.81) | 1.26(0.62–2.58) | 1.13(0.70–1.85) | 0.95(0.46–1.94) | |
| Grade 9-12th | 0.79(0.40–1.54) | 0.62(0.26–1.47) | 0.98(0.55–1.76) | 1.01(0.45–2.25) | |
| College diploma or above | 2.03(0.82–4.99) | 1.87(0.65–5.38) | 1.13(0.41–3.11) | 0.88(0.27–2.83) | |
| Resident | Urban | 1 | 1 | 1 | 1 |
| Rural | 1.10(0.70–1.72) | 1.53(0.82–2.84) | 0.74(0.48–1.12) | 0.82(0.45–1.53) | |
| Occupational status | Agro/pastoralist | 1 | 1 | 1 | 1 |
| Government/private worker | 1.01(0.46–2.20) | 1.12(0.45–2.78) | 2.46(1.03–5.84) | 1.90(1.03–8.15) | |
| Housewife | 0.81(0.35–1.82) | 0.73(0.28–1.94) | 1.73(0.71–4.23) | 1.65(0.55–4.91) | |
| Students | 0.79(0.34–1.80) | 1.17(0.36–3.79) | 2.21(0.91–5.38) | 2.13(0.62–7.29) | |
| Marital status | Married | 1 | 1 | 1 | 1 |
| Non-married | 0.76(0.47–1.21) | 0.63(0.29–1.38) | 1.30(0.85–1.99) | 1.29(0.62–2.70) | |
| Religion | Muslim | 1 | 1 | 1 | 1 |
| Christians | 1.53(0.97–2.41) | 1.59(0.77–3.28) | 1.11(0.72–1.70) | 0.85(0.43–1.66) | |
| Ethnicity | Afar | 1 | 1 | 1 | 1 |
| Others | 1.30 (0.83–2.50) | 0.94(0.45–1.96) | 1.30(0.85–1.98) | 1.07(0.53–2.15) | |
| Districts | Amibara | 1 | 1 | 1 | |
| Awash Sebat | 0.93(0.56–1.20) | 0.93(0. 56-1.52) | 1.24(0.79–1.95) | 0.97(0.52–1.80) | |
| Harunka | 0.48(0.19–3.986) | 048(0.19–1.20) | 0.82(0.31–2.12) | 0.60(0.19–1.91) | |
| Illness duration | ≤ 5 days | 1 | 1 | 1 | 1 |
| > 5 days | 1.20(0.48–2.97) | 1.36(0.49–3.79) | 1.76(0.73–4.26) | 2.10(0.76–5.79) | |
| Joint pain | No | 1 | 1 | 1 | 1 |
| Yes | 1.18(0.71–1.97) | 1.24(0.69–2.22) | 0.90(0.57–1.43) | 0.78(0.46–1.33) | |
| Headache | No | 1 | 1 | 1 | 1 |
| Yes | 0.81(0.39–1.70) | 0.89(0.39–2.03) | 0.78(0.39–1.53) | 0.76(0.35–1.68) | |
| Back pain | No | 1 | 1 | 1 | 1 |
| Yes | 0.92(0.59–1.45) | 0.84(0.50–1.41) | 0.89(0.58–1.35) | 1.04(0.63–1.71) | |
| Chills | No | 1 | 1 | 1 | 1 |
| Yes | 0.91(0.58–1.43) | 1.16(0.65–2.06) | 0.95(0.62–1.45) | 0.68(0.40–1.16) | |
| Nausea | No | 1 | 1 | 1 | 1 |
| Yes | 0.85(0.53–1.37) | 0.77(0.45–1.33) | 1.42(0.92–2.19) | 1.51(0.92–2.45) | |
| Malaise | No | 1 | 1 | 1 | 1 |
| Yes | 0.99(0.57–1.70) | 0.85(0.46–1.57) | 0.61(0.36–1.04) | 0.55(0.30–1.03) | |
| Muscle pain | No | 1 | 1 | 1 | 1 |
| Yes | 1.24(0.73–2.12) | 1.29(0.69–2.43) | 1.57(0.94–2.62) | 1.90(1.04–3.49) | |
| Rash | No | 1 | 1 | 1 | 1 |
| Yes | 3.12(0.62–15.72) | 2.73(0.45–16.51) | 1.56(0.31–7.84) | 2.46(0.34–17.53) | |
| Malaria parasite | Negative | 1 | 1 | 1 | 1 |
| Positive | 2.36(1.23–4.52) | 2.37(1.14–4.92) | 1.24(0.64–2.39) | 1.32(0.62–2.82) | |