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Table 4 Socio-ecological factors that influence occurrence of RVF virus in pastoral cattle herds of North-central Nigeria

From: Seropositivity and associated intrinsic and extrinsic factors for Rift Valley fever virus occurrence in pastoral herds of Nigeria: a cross sectional survey

Factors No influence
n (%)
Yes influence
n (%)
OR 95% CI P-value
High mosquitoes availability
 Agro pastoralists 121 (60.2) 80 (39.8) 1.00   
 Nomadic pastoralists 33 (6.1) 169 (93.9) 7.8 4.85, 12.37 < 0.001
High cattle concentration
 Agro pastoralists 110 (54.7) 91 (45.3) 1.00   
 Nomadic pastoralists 63 (31.2) 139 (68.8) 2.7 1.78, 4.01 0.001
High rainfall
 Agro pastoralists 106 (52.7) 95 (47.3) 1.00   
 Nomadic pastoralists 42 (20.8) 160 (79.2) 4.3 2.74, 6.59 < 0.001
Dams and irrigated rice fields
 Agro pastoralists 111 (55.7) 90 (44.3) 1.00   
 Nomadic pastoralists 40 (18.9) 162 (81.1) 5.0 3.21, 7.79 < 0.001
Presence of dambos
 Agro pastoralists 142 (73.4) 59 (26.6) 1.00   
 Nomadic pastoralists 45 (24.0) 157 (76.0) 8.4 5.36, 13.16 < 0.001
Bushy vegetation
 Agro pastoralists 133 (66.2) 68 (33.8) 1.00   
 Nomadic pastoralists 49 (24.3) 153 (75.5) 6.1 3.96, 9.43 < 0.001
Presence of rivers and streams
 Agro pastoralists 141 (70.1) 60 (29.1) 1.00   
 Nomadic pastoralists 36 (17.8) 166 (82.2) 10.8 6.77, 17.34 < 0.001
Animal movement
 Agro pastoralists 102 (50.2) 99 (49.3) 1.00   
 Nomadic pastoralists 65 (28.9) 137 (71.1) 2.2 1.45, 3.25 0.001
Seasons
 Agro pastoralists 101 (50.7) 100 (49.7) 1.00   
 Nomadic pastoralists 61 (30.2) 141 (69.8) 2.3 1.55, 3.51 0.001
  1. OR Odds ratio, CI Confidence interval; Statistically significant at p < 0.05