Description:
Abstract The Family Health Strategy (ESF) is the main gateway to the services of the National Health System (SUS), which needs to be constantly reviewed. This research aimed to create an instrument for assessing the effectiveness of ESF, seizing the beliefs about the effectiveness of ESF of a non-stratified random sample of 390 users in Natal, with data analyzed using descriptive, bivariate and multivariate analysis using the Statistical Package of Social Sciences software for Windows. The new instrument with 25 items and dichotomous scale has one factor, Effectiveness of care at ESF, divided into four sub-factors, level of internal consistency with Cronbach's alpha of 0.77. It is contemplated that the effectiveness of care was evaluated negatively by 74.6% of users. In conclusion, the relevance of the new scale and the need for changes to the operation of the ESF availability of quality services are clear.