RT Journal Article T1 Calibrated prevalence of disabling chronic pain according to different approaches: a face-to-face cross-sectional population-based study in Southern Spain A1 Cabrera-León, Andrés A1 Rueda, María A1 Cantero-Braojos, Miguel K1 Dolor crónico K1 Estudios transversales K1 Calibración K1 Prevalencia K1 España AB ObjectivesTo calculate the prevalence of disabling chronic pain (DCP) and to offer a more representative and accurate estimation by applying different calibration techniques.Settings2011 Andalusian Health Survey, a cross-sectional population survey based on face-to-face home interviews.Participants6507 people aged 16 years or older and living in Andalusia, Spain.OutcomesDesign weights, linear calibration based on marginals and on crossings, and model-assisted calibration were used to estimate the prevalence and variance of DCP, for the whole sample and for the domains of sex and age groups (16–44; 45–64; +65).ResultsCalibration variables were sex, age groups and educational level. In the whole sample, DCP prevalence calibration reduced by more than 5.2% and 8.2% the estimated prevalences and variances, respectively, obtained with the design weights. Regarding the domains, prevalence reductions are from 33% to 1%, and variance reductions are from 0.2% to 1%. Model-assisted calibration is the best technique to estimate DCP prevalence for the whole population and crossing calibration for their domains, although with almost no differences compared to marginal calibration.ConclusionsThe validity and accuracy of estimations of DCP prevalence are improved by calibration adjustments. Model-assisted calibrated prevalence of DCP is 10.78% for the whole population, being at least 2-fold higher in women in all age groups. The results and methodology developed could be useful in clinical and population-based studies on chronic pain and disability. PB BMJ Publishing Group: Open Access YR 2017 FD 2017-01-30 LK http://hdl.handle.net/10668/3098 UL http://hdl.handle.net/10668/3098 LA en NO Cabrera-León A, Rueda M, Cantero-Braojos M. Calibrated prevalence of disabling chronic pain according to different approaches: a face-to-face cross-sectional population-based study in Southern Spain. BMJ Open. 2017;7(1):e014033 DS RISalud RD Apr 19, 2025