Effectiveness analysis
REGRESSION
Forty clusters were included in the study, from 5 different districts. 24,281 individuals living in the selected clusters were sent an invitation to participate in CRC screening during the study period (November 2014-November 2015), meaning that 24,281 subjects were included in this research, 12,624 in the control group and 11,657 in the intervention group (Fig. Study Flow ChartPatients’ characteristics for both armsThe results of this study (Fig. Evolution of participation rate by time (Kaplan Meier curves) according to the group, for the whole population of the trialprimary outcome assessment with logistic regression and interactionLegend: the effect of the intervention is estimated by the interaction between time and arm, with an adjusted Odds Ratio.multivariate analysis of the intervention effect, ajusted on confusing variables ( age districts and gender)Legend: the effect of the intervention is estimated by the interaction between time and arm, with an adjusted Odds