Table 2. Number of eligible articles in humans in Africa identifying potential risk factors as significantly associated with seropositivity for Rift Valley fever virus (RVFV) in final statistical model.

	Number of articles using statistical methods (out of 51 eligible articles)
Risk factors for seropositivity to RVFV†	Univariate	Multivariate	References
Age ††	5	11	[40, 54, 57–70]
Sex*	2	5	[7, 43, 52, 54, 60, 71–73]
Occupation**	1	2	[8, 58, 74]
Contact with livestock foetus	0	2	[8, 73]

† risk factors were only included in this table if they were found to be significant in at least two articles

††RVFV seroprevalence increased with age

*sex was identified as a risk factor for RVFV seroposivity in a number of studies, but the conclusions were contradictory (see text)

**occupations involving contact with animal blood and products were associated with an increased risk