10.6084/m9.figshare.c.3911455_D2.v1 Bojana Bukurov Bojana Bukurov Nenad Arsovic Nenad Arsovic Sandra Grujicic Sandra Grujicic Mark Haggard Mark Haggard Helen Spencer Helen Spencer Jelena Marinkovic Jelena Marinkovic Additional file 2: of Psychometric characteristics of the chronic Otitis media questionnaire 12 (COMQ – 12): stability of factor structure and replicability shown by the Serbian version Springer Nature 2017 Otitis media Outcome assessment Impact Quality of life 2017-10-23 05:00:00 Journal contribution https://springernature.figshare.com/articles/journal_contribution/Additional_file_2_of_Psychometric_characteristics_of_the_chronic_Otitis_media_questionnaire_12_COMQ_12_stability_of_factor_structure_and_replicability_shown_by_the_Serbian_version/5530921 Details of psychometric strategy. a Further notes on optimising precision and factor solution by scaling item response levels. b Factor loading patterns summarising factor solutions from 1st and 2nd visit data and their average (DOCX 23 kb)