Table 3.

Logistic regression analysis of immunoglobulin classes in Fulani and Non-Fulani ethnic groups

Antigen	IgG subclass	OR† (95% CI)	p value
AMA-1	IgG1	1.2 (1.1 to 1.3)	< 0.001
	IgG2	0.6 (0.3 to 0.9)	0.024
	IgG3	2.2 (0.9 to 5.4)	0.062
	IgG4	0.4 (0.1 to 1.2)	0.113
3D7-MSP2	IgG1	1.1 (1.0 to 1.2)	0.015
	IgG2	0.6 (0.4 to 0.9)	0.018
	IgG3	1.0 (1.0 to 1.0)	0.069
	IgG4	0.1 (0.05 to 0.3)	< 0.001
FC27-MSP2	IgG1	0.5 (0.2 to 0.9)	0.041
	IgG2	2.9 (1.2 to 7.1)	0.016
	IgG3	2.2 (1.4 to 3.3)	< 0.001
	IgG4	0.5 (0.2 to 1.3)	0.159
Pf332-C231	IgG1	2.5 (0.8 to 6.8)	0.081
	IgG2	1.0 (0.9 to 1.0)	0.978
	IgG3	2.7 (1.6 to 4.3)	< 0.001
	IgG4	8.1 (3.5 to 18.6)	< 0.001

^† OR represent odds ratios while CI represents confidence intervals. Fulani were assigned 0 while non-Fulani were assigned 1 in the logistic regression analysis. OR above 1 represented value associated to non-Fulani while less than 1 value represented Fulani.