Table 2.
Multiple logistic regressions identifying which factors affect the presence of infections (species variables). Household is considered as a random effect to account for individuals in the same household, while the other variables are included as fixed effects. Age is included only for humans. Asterisks in the p-values denote statistically significant results
| Host | Species | Variable | OR (95% CI) | p-value | McFadden's R2 |
|---|---|---|---|---|---|
| Humans | Ascaris |
Trichuris
Hookworm Age Location Mainit Location San Isidro Location Trento |
3.81 (1.96 to 7.39) 3.66 (1.02 to 13.01) 0.98 (0.96 to 1.00) 4.27 (1.56 to 11.68) 2.17 (0.74 to 6.31) 0.59 (0.17 to 2.06) |
0.0002*** NS 0.0356* 0.0046** NS NS |
0.09 |
| Trichuris |
Ascaris
Hookworm Age Location Mainit Location San Isidro Location Trento |
4.15 (2.10 to 8.17) 1.19 (0.30 to 4.83) 0.98 (0.96 to 1.00) 10.97 (2.35 to 51.33) 34.99 (7.51 to 163.11) 2.22 (0.36 to 13.70) |
3.9×10–5*** NS NS 0.0023** 6.0×10–6 *** NS |
0.17 | |
| Hookworm |
Ascaris
Trichuris Age Location Mainit Location San Isidro Location Trento |
3.51 (1.13 to 10.91) 1.11 (0.33 to 3.72) 1.03 (1.00 to 1.06) 2.94×10–8 (0.00) 5.80 (1.23 to 27.38) 1.86 (0.30 to 11.37) |
0.03* NS NS NS 0.03* NS |
0.19 | |
| Dogs | Trichuris | Hookworm Toxocara Location Mainit Location San Isidro Location Trento |
3.39×10–1 (2.58×10–4 to 4.46×102) 7.98×10–5 (2.34×10–5 to 2.72) 2.47 (6.11×10–4 to 9.94×103) 1.43 (2.72×10–5 to 7.50×104) 2.01 (1.73×10–4 to 2.34×104) |
NS NS NS NS NS |
0.30 |
| Hookworm |
Trichuris
Toxocara Location Mainit Location San Isidro Location Trento |
0.56 (0.13 to 2.50) 2.19 (0.74 to 6.49) 0.80 (0.27 to 2.42) 0.25 (0.04 to 1.45) 1.23 (0.39 to 3.93) |
NS NS NS NS NS |
0.06 | |
| Toxocara | Hookworm Trichuris Location Mainit Location San Isidro Location Trento |
8.53×10–5 (4.27×10–2 to 1.71×101) 2.04×10–4 (2.19×10–8 to 1.90) 1.83 (2.72×10–3 to 1.23×103) 0.53 (4.78×10–6 to 5.97×104) 8.63 (1.34×10–2 to 5.58×103) |
NS NS NS NS NS |
0.05 | |
| Cats | Trichuris | Hookworm Toxocara Location Mainit Location San Isidro Location Trento |
5.98×108 (-) 0.46 (0.01 to 23.52) 7.14 (-) - 8.48×10–8 (-) |
NS NS NS - NS |
0.40 |
| Hookworm |
Trichuris
Toxocara Location Mainit Location San Isidro Location Trento |
9.83×10–7 (-) 1.34 (0.15 to 12.11) 0.16 (0.007 to 3.47) - 1.55 (0.12 to 19.74) |
NS NS NS - NS |
0.23 | |
| Toxocara | Hookworm Trichuris Location Mainit Location San Isidro Location Trento |
1.33 (0.15 to 11.98) 0.73 (0.03 to 19.25) 2.76 (-) - 3.62×10–8 |
NS NS NS - NS |
0.17 | |
| Pigs | Ascaris |
Trichuris
Strongyle Location Mainit Location San Isidro Location Trento |
6.88 (2.40×10–2 to 1.97×103) 2.08 (2.07 to 2.09) 3.19 (1.66×10–2 to 6.11×102) 0.35 (0.35 to 0.36) 5.06 (4.22×10–2 to 6.08×102) |
NS 2×10–16*** NS 2×10–16*** NS |
0.02 |
| Trichuris |
Ascaris
Strongyle Location Mainit Location San Isidro Location Trento |
4.80 (1.44 to 15.94) 3.00 (0.96 to 9.40) 1.69 (0.16 to 18.90) 1.50 (0.13 to 17.06) 6.64 (0.73 to 60.67) |
0.011* NS NS NS NS |
0.32 | |
| Strongyle |
Ascaris
Trichuris Location Mainit Location San Isidro Location Trento |
2.16 (0.65 to 7.24) 2.79 (0.89 to 8.80) 1.49 (0.40 to 5.65) 5.89 (1.66 to 20.84) 4.91 (1.32 to 18.27) |
NS NS NS 0.006** 0.018* |
0.14 |
Abbreviation: NS, not significant. Asterisks (*) indicate significance.