biostudies-literatureVanaclocha-Espi MInstituto de Salud Carlos IIIe0278275https://www.ebi.ac.uk/biostudies/studies/S-EPMC9714724biostudies-literatureUnknown17(12)<h4>Objective</h4>To construct an individual socioeconomic status index (ISESI) with information available in the Population Information System of the Region of Valencia, Spain, and use it to analyse inequalities in a colorectal cancer screening programme (CRCSP).<h4>Methods</h4>Cross-sectional study of men and women aged between 50 and 75 at the time of the study (2020) that were selected from the target population of the Region of Valencia CRCSP. (study sample 1,150,684). First, a multiple correspondence analysis was performed to aggregate information from the Population Information System of the Region of Valencia into an ISESI. Second, data from the 2016 Region of Valencia Health Survey were used for validation, and finally the relationship between CRCSP participation and the ISESI wasPloS oneConstruction of an individual socioeconomic status index for analysing inequalities in colorectal cancer screening.PMC9714724PI18/01669Martin-Pozuelo JRomeo-Cervera PBarona COrtiz FPeiro-Perez RCastan SPinto-Carbo MMolina-Barcelo ANolasco AVanaclocha-Espi MSalas DfalseConstruction of an individual socioeconomic status index for analysing inequalities in colorectal cancer screening.<h4>Objective</h4>To construct an individual socioeconomic status index (ISESI) with information available in the Population Information System of the Region of Valencia, Spain, and use it to analyse inequalities in a colorectal cancer screening programme (CRCSP).<h4>Methods</h4>Cross-sectional study of men and women aged between 50 and 75 at the time of the study (2020) that were selected from the target population of the Region of Valencia CRCSP. (study sample 1,150,684). First, a multiple correspondence analysis was performed to aggregate information from the Population Information System of the Region of Valencia into an ISESI. Second, data from the 2016 Region of Valencia Health Survey were used for validation, and finally the relationship between CRCSP participation and the ISESI was2022-01-01T00:00:00Z20222025-04-21T23:23:07.695Z2025-04-05T19:06:06.209ZS-EPMC97147243645474010.1371/journal.pone.0278275