The Effectiveness of the Revised Intermittent Preventive Treatment with Sulphadoxine Pyrimethamine (IPTp-SP) in the Prevention of Malaria among Pregnant Women in Northern Ghana

Table 4

Multivariable analysis between IPTp-SP and maternal parasitaemia at 36 weeks of gestation.

Variable	Univariate regression		Multivariable regression
	cOR 95% CI	-value	aOR (95% CI)	-value
Parasitaemia at 36 weeks
No SP	1.00 (ref)		1.00 (ref)
<3 doses	0.86 (0.57–1.12)	0.20	0.96(0.63–1.47)	0.86
≥3 doses	0.36 (0.25–0.52)	<0.001	0.44(0.27–0.70)	0.001
Reported ITN/SP usage
No SP/ITN use	1.00 (ref)		1.00 (ref)
Only SP	0.60 (0.41–0.89)	0.01	0.82 (0.50–1.37)	0.46
Only ITN	0.70 (0.39–1.23)	0.21	0.96 (0.46–2.00)	0.92
Both SP and ITN	0.36 (0.24–0.54)	<0.001	0.52 (0.31–0.89)	0.02

cOR = crude odd ratio; aOR = adjusted odd ratio; 95% CI = 95% confident inferential; are considered statistically significant; ref = reference (1.00).