Table 1 Study population demographics, and potential risk factors in association with EEHV antibody seroprevalence of elephants in Thailand (n = 994)
| Risk factors | Category | Number (proportion male/female) |
|---|---|---|
| Sex | Female | 678 (0.68) |
| Male | 316 (0.32) | |
| Age category | < 11 years | 73 (0.45/0.55) |
| 11–50 years | 797 (0.30/0.70) | |
| > 50 years | 124 (0.29/0.71) | |
| Management type (province1) |
Extensive: (CM, LP, CR, SKT, Tak, CP) |
505 (0.34/0.66) (n = 286, 125, 8, 16, 68 and 2 respectively) |
|
Intensive: (AY, NKPT, RBR, PJ, CBR, Trat, BRR, NKSM, SR, SRTN, PNG, Smui, SKL, CPo) |
489 (0.29/0.71) (n = 76, 27, 36, 1, 166, 41, 1, 3, 56, 15, 63, 2, 1 and 1 respectively) | |
| Region | Central | 76 (0.25/0.75) |
| East | 207 (0.16/0.84) | |
| North | 435 (0.36/0.64) | |
| Northeast | 62 (0.50/0.50) | |
| South | 82 (0.46/0.54) | |
| West | 132 (0.25/0.75) | |
| Camp cluster2 | Small cluster (< 10 elephants) | 19 (0.20/0.80) |
| Medium cluster (10–50 elephants) | 372 (0.30/0.70) | |
| Large cluster (> 50 elephants) | 603 (0.32/0.68) | |
| Border contact with Myanmar | Yes | 77 (0.19/0.81) |
| No | 917 (0.32/0.68) | |
| Sampling period (months) | April–October | 824 (0.30/0.70) |
| November–March | 170 (0.38/0.62) |