Additional file 1: Table S1. of Association of general psychological factors with frequent attendance in primary care: a population-based cross-sectional observational study HajekAndré BockJens-Oliver KönigHans-Helmut 2017 Predictors of frequent attenders (0 = Non-frequent attenders; 1 = Frequent attenders; cut-off at the highest decile). Results of multiple logistic regressions. (DOCX 14 kb)