Table 2.

Subgroups and metaregression analysis of the factors associated with schistosomiasis during pregnancy

Covariate	Coefficient	95% confidence interval	Standard error	P
Size	− 0.001	− 0.001 to 0.001	< 0.001	0.538
Year of publication	− 0.002	− 0.010 to 0.007	− 0.004	0.697
Type of infection	0.097	0.018 to 0.176	0.04	0.016