%0 Journal Article %T Devising and validating a headache diary in a series of patients with chronic daily headache from Colombia %A Torres %A Gabriel F %A Ot¨¢lvaro %A Martha I. %A Vargas %A Juan C. %A Castellanos %A Yulexi %A Garc¨ªa %A Jeimy Xiomara %A Triana %A Javier D. %A Forero %A Cesar A. %A Guevara %A Carlos D. %A Pardo %A Rodrigo %J Arquivos de Neuro-Psiquiatria %D 2012 %I Academia Brasileira de Neurologia - ABNEURO %R 10.1590/S0004-282X2012000100009 %X objective: to devise and test the reliability and validity of a brief headache diary in a series of colombian patients with chronic daily headache. methods: the study was designed in five stages: selection of domains (group of patients and experts); initial devising of the items (writing group); identification of non-understandable items (n=20); assessment of internal consistency (n=100); assessment of validity and assessment of sensitivity to change during seven consecutive days (n=25, 175 observations). results: five domains were selected: headache presence, severity and length of pain, analgesics intake, and missing workdays. the headache diary is internally consistent (¡Ö75% of rotated variance), correlates with the medical interview (spearman's rho and kendall's tau over 0.8 for each domain) and it has an adequate and stable sensitivity and specificity (82 to 96%). conclusions: this headache diary is a reliable and valid instrument and represents the most important features affecting colombian patients with chronic daily headache. %K colombia %K diagnosis %K headache disorders %K medical records %K reproducibility of results %K validation studies. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0004-282X2012000100009&lng=en&nrm=iso&tlng=en