RESUMEN
This paper presents the results of the National Survey of Coverage of Integrated Health Programs (ENCOPREVENIMSS) 2003, 2004 and 2005, with regard to the coverage of Women, Men and Seniors' Health Programs. ENCOPREVENIMSS are nationwide probabilistic population-based surveys with delegation (state) representativeness of insured population of the Mexican Institute of Social Security. The sampling frame was stratified, with several stages, and by clusters. The surveys gathered information of sociodemographic characteristics, use of health services and coverage of the main components of the Health Integrated Programs (PREVENIMSS), as well as other complementary variables. For the purpose of this article, the main variables studied were those related to health promotion, weight, height and waist measurement, as well as other related to early detection of certain diseases. The results show an increase in the coverage during the period 2003-2005 in the three groups; however, the lowest were found in the group of men from 20 to 59 years old and the highest, in the group of seniors older than 59, except for those related to the detection of cervical and breast cancer, which were higher in women from 20 to 59 years old. Coverage analysis is useful to ascertain the degree of imposition of the different preventive activities and it is also a good basis for planning.