Table 4.

Pooled sociodemographic risk factors of active chikungunya virus infection in Nigeria.

Variables	No. of pooled participants [no. of studies]	No. with pooled anti-CHIKV IgM cases (%)	OR (95% CI)	p value
Age
≤20	223 [5]	74 (33.2)
21–50	835 [5]	244 (29.2)	1.29 (0.86 to 1.95)	0.252
51	130 [5]	30 (23.1)	1.14 (0.89 to 2.12)	0.149
Sex
Male	518 [5]	214 (41.3)
Female	691 [5]	189 (27.4)	1.87(1.47–2.38)	˂0.0001*
Residence
Urban	1198 [5]	162 (13.5)
Rural	60 [1]	13 (81.3)	0.57 (0.301–1.074)	0.082
Level of Education
No formal	64 [3]	27 (42.2)
Primary	97 [3]	36 (37.1)	1.24 (0.65–2.36)	0.519
High School	295 [3]	66 (22.4)	2.23 (1.47–3.39)	0.002*
Tertiary	373 [3]	47 (12.6)	2.74 (1.89–3.95)	˂0.0001*
Marital status
Single	297 [2]	94 (31.6)
Married	377 [2]	96 (25.4)	1.36 (0.97–1.89)	0.077

*Significance determined by Multivariate Logistic Regression.