Table 2.

Target groups, data collection and sampling

Target group	Interviews conducted	Sampling
Katsina State Government	4 IDIs	All personnel with key roles in malaria control delivery
LGA leadership	4 IDIs, I FGD	At least 1 representative from each LGA
LGA primary health care and malaria focal staff	5 IDIs	At least 1 representative from each LGA
UN agencies, active international and local NGOs	5 IDIs	All representatives with key roles in malaria control delivery
Health facility representatives (committee chairpersons of HFMCs) or health facility in-charges	8 IDIs	2 representatives per LGA, from both primary and secondary levels
Traditional and religious community leaders	6 IDIs	Including both traditional and religious leaders. 2 informants per LGA were originally targeted. Specific wards were selected at random
Village Health Committees (VHCs)	2 IDIs, 5 FGDs	2 villages were selected at random within the ward selected at random (same ward as for community leadership IDIs). All members of the VHC invited to participate
CCGs	2 IDIs, 3 FGDs	All CCGs in each LGA were invited to participate but selected at random if a large number. A target of 1 FGD/LGA. IDI if only 1 participant
Health-orientated CBOs	2 FGDs	All representatives with key roles in supporting community-level health interventions
Household heads (male participants)	3 FGDs	2 villages were selected at random within the ward selected at random (same villages selected as for VHCs). Specific households were selected at random via the random walk method, with the interval selected dependent on village size. Original target of 2 FGDs/LGA
Caregivers of children under five (female participants)	4 FGDs	2 villages were selected at random within the ward selected at random (same villages selected as for VHCs). Specific households were selected at random via the random walk method, with the interval selected dependent on village size. Original target of 2 FGDs/LGA
Total	36 IDIs, 18 FGDs (54)