Table 2.

Multiple Linear Regression Analysis Testing the Association Between var2csa Gene Copy Number and Gravidity, Weeks of Pregnancy, Maternal Age, and Parasitemia

Tested parameters	Coeff.	[95% CI]	P value
Ngali II (n = 134 samples)
Primi-multigravidae	0.90	−.084 to 1.89	.073
Weeks of pregnancy	0.036	.0028 to .068	.033
Maternal age	−.063	−.14 to .017	.123
Parasitemia	0.12	.016 to .22	.024
Cons-*	2.00	.084 to 3.84	.041
Yaoundé (n = 114 samples)
Primi-multigravidae	−.25	−1.24 to .74	.622
Weeks of pregnancy	−.038	−.078 to .0028	.068
Maternal age	0.011	−.091 to .11	.836
Parasitemia	−.027	−.16 to .10	.686
Cons-	3.70	1.17 to 6.23	.004

NOTE. CI, confidence interval.

*Cons- (constant alpha) is the value that the dependent variable is predicted to have when all the independent variables (parameters) are equal to zero.