Fig. 1

Components of effective coverage for type 2 diabetes in the Mexican population without social security. Data are color-coded by quintiles and shown according to state, health jurisdiction, and municipality. Source: Mexican Ministry of Health primary health centers, 2017. a Need: prevalence of type 2 diabetes multiplied by the estimated population under the responsibility of a primary health center; b Utilization: proportion of estimated population under the responsibility of a primary health center that sought care for type 2 diabetes; c Quality: proportion of patients who achieved metabolic improvement among those who sought care; and d Effective coverage: EC = Q × U | N=1, where N = 1 is the true need for receiving health care services; U is the utilization of health care services and refers to the probability that the individual with a need will receive the intervention; and Q is the quality, or health gain ratio of the gain provided to the person by an intervention in relation to the maximum possible health gain