Skip to main content

Table 1 Evaluation domains and data collection methods: triangulation of data sources

From: Vouchers for scaling up insecticide-treated nets in Tanzania: Methods for monitoring and evaluation of a national health system intervention

Evaluation domain

Indicator(s)

Household survey

Facility survey

Exit survey

Focus group discussions and in-depth interviews

Retail census

Voucher tracking

Cost analysis

Coverage of target groups (ownership, use)

Household ownership of at least one net/ITN; Individual slept under a net/ITN the night prior to the survey*

X

X

X

    

Provision and use of RCH services, including voucher scheme

Currently pregnant woman/recently pregnant woman**attended ANC; Mean weeks of gestation at time of first ANC visit; Received a voucher; Received 1 dose of SP as IPTp; Received 2 doses of SP as IPTp

X

X

X

X

 

X

 

Leakage of vouchers

% of voucher recipients who could be identified, interviewed, and confirmed they received a voucher

   

X

 

X

 

Impact on ITN market

Percent of wards with at least one retail source of ITNs, insecticide

X

   

X

  

Cost and cost-effectiveness

Cost per voucher delivered Cost per ITN delivered

X

     

X

  1. * ITN use measured in all household members, currently pregnant women, children under 5 years.
  2. ** Indicators of voucher coverage were calculated for both currently pregnant women and for women who had a live birth in the 12 months preceding the survey.
  3. ITN = Insecticide-treated net; RCH = Reproductive and child health; ANC = Antenatal care; SP = sulphadoxine-pyrimethamine; IPTp = Intermittent preventive treatment in pregnancy