Main effect of the intervention group
diarrhoea, SD, vomiting
Table Prevalence of morbidity symptoms during pregnancy and lactation, by intervention group, in Ghana and Malawi
The mean (SD) number of days of morbidity monitoring in the second trimester, third trimester, 0–3 months lactation and 3–6 months lactation were 56 ± 19, 89 ± 18, 81 ± 13 and 80 ± 12, respectively for Ghana and 29 ± 9, 40 ± 10, 36 ± 9 and 38 ± 9, respectively for Malawi.Total Total 
In Malawi, the period prevalence of morbidity symptoms during the follow‐up period did not differ significantly among the three groups. We found a significant intervention × time interval interaction for vomiting and severe diarrhoea. Within the separate time intervals, the groups differed only in the prevalence of severe diarrhoea during 3–6 months lactation (The mean ± SD percentage of days of monitoring when women had morbidity symptoms during pregnancy and lactation, by intervention group, in Ghana and Malawi are shown in Table Mean ± SD percentage of monitoring days when women had morbidity symptoms during pregnancy and lactation, by intervention group, in Ghana and Malawi
The mean ± SD number of days of morbidity monitoring in the second trimester, third trimester, 0–3 months lactation and 3–6 months lactation were 56 ± 19, 89 ± 18, 81 ± 13 and 80 ± 12, respectively for Ghana and 29 ± 9, 40 ± 10, 36 ± 9 and 38 ± 9, respectively for Malawi.Total Total 
In Malawi, the groups did not differ significantly in the mean percentage of days with morbidity symptoms during the follow‐up period. We found a significant intervention group × time interval interaction (