Table 3.
Risk factor analysis for participants without relevant missing data and ELISA serum testing (N = 97)
| Characteristic | S. stercoralis–negative ELISA (n = 81 [83.5%]) | S. stercoralis–positive ELISA (n = 16 [16.5%]) | P-value |
|---|---|---|---|
| Gender | |||
| Male (n = 39) | 34 (42.0) | 5 (31.3) | 0.579 |
| Female (n = 58) | 47 (58.0) | 11 (68.8) | |
| Monthly household income | |||
| > $2,000 (n = 53) | 49 (62.8) | 4 (25.0) | 0.011* |
| < $2,000 (n = 41) | 29 (37.2) | 12 (75.0) | |
| Travel history (n = 20) | 16 (21.3) | 4 (25.0) | 0.746 |
| No travel history (n = 71) | 59 (78.7) | 12 (75.0) | |
| Diarrheal history (n = 42) | 33 (43.4) | 9 (56.3) | 0.414 |
| No diarrhea (n = 50) | 43 (56.6) | 7 (43.8) | |
| Respiratory history (n = 18) | 15 (20.3) | 3 (18.8) | 1.000 |
| No respiratory history (n = 72) | 59 (79.7) | 13 (81.3) | |
| Dermatological history (n = 8) | 6 (8.1) | 2 (12.5) | 0.629 |
| No dermatological history (n = 82) | 68 (91.9) | 14 (87.5) | |
| Children barefoot outdoors (n = 14) | 12 (70.6) | 2 (66.7) | 1.000 |
| Not barefoot (n = 6) | 5 (29.4) | 1 (33.3) | |
| Dog(s) in household (n = 58) | 51 (63.0) | 7 (43.8) | 0.172 |
| No dogs (n = 39) | 30 (37.0) | 9 (56.3) | |
| Cat(s) (n = 15) | 12 (14.8) | 3 (18.8) | 0.709 |
| No cats (n = 82) | 69 (85.2) | 13 (81.3) | |
| Goat(s) (n = 2) | 2 (2.5) | 0 | 1.000 |
| No goats (n = 95) | 79 (97.5) | 16 (100.0) | |
| Flooding around home (n = 68) | 60 (74.1) | 8 (50.0) | 0.074 |
| No flooding (n = 29) | 21 (25.9) | 8 (50.0) | |
| Septic backup (n = 40) | 35 (43.8) | 5 (31.3) | 0.415 |
| No septic backup (n = 56) | 45 (56.3) | 11 (68.8) | |
| Toilet backup (n = 35) | 27 (33.3) | 8 (50.0) | 0.257 |
| No toilet backup (n = 62) | 54 (66.7) | 8 (50.0) | |
S. stercoralis = Strongyloides stercoralis. Percentages are displayed in parentheses, adjusted to account for exclusion of cases with missing data where n < 97. P-values are derived from Fisher’s exact test. *P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.001.