Table 3.
Residence-based variables associated with RS classification of elevated versus low plague risk
| Risk factor | Elevated risk (N = 100) | Low risk (N = 58) | OR | 95% CI | P value | ||
|---|---|---|---|---|---|---|---|
| Present (N) | Percent | Present (N) | Percent | ||||
| Water available to rodent | 45 (87) | 52 | 34 (48) | 71 | 0.44 | 0.21–0.94 | 0.031 |
| Peridomestic sheep | 33 (91) | 36 | 9 (54) | 17 | 2.84 | 1.24–6.55 | 0.012 |
| Corn grown or dried within 30 m | 60 (98) | 61 | 16 (58) | 28 | 4.14 | 2.05–8.39 | < 0.0001 |
| Coffee grown within 30 m | 44 (98) | 45 | 40 (58) | 69 | 0.37 | 0.19–0.73 | 0.004 |
| Melons (vine) grown or dried within 30 m | 11 (98) | 11 | 1 (58) | 2 | 7.2 | 0.91–57.35 | 0.031 |
| Melons (tree) grown or dried within 30 m | 12 (98) | 12 | 1 (58) | 2 | 7.95 | 1.01–62.86 | 0.022 |
| Other crops grown or dried within 30 m | 34 (98) | 35 | 11 (58) | 19 | 2.27 | 1.04–4.94 | 0.036 |
| Processed commercial foods stored within residence | 34 (88) | 35 | 37 (58) | 64 | 0.36 | 0.18–0.71 | 0.003 |