Table 2. Observations during study follow-up in post-partum mothers and controls.

	Post-partum (n = 744)	Controls (n = 722)	P-value
Follow-up completed	694 (93.3)	604 (83.7)	<0.001
No absence during 12 weeks	349 (46.9)	180 (24.9)	<0.001
Absent 1 or 2 times	280 (37.6)	274 (38.0)	NS
Absent >6 times	26 (3.5)	53 (7.3)	<0.001
Slept without a bed net at least 1 night during follow-up	66 (8.9)	49 (6.9)	NS
Slept at least 1 day in the field/forest during follow-up	83 (11.2)	96 (13.3)	NS
Worked at least 1 day in the field/forest during follow-up	83 (11.2)	282 (39.1)	<0.001
Became pregnant during follow-up	4 (0.5)	28 (3.9)	<0.001
Reported self treatment with antimalarials	2 (0.3)	4 (0.6)	NS

Data presented as n (%). NS; not significant