Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa học đề tài : Validity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks: a systematic review | Gimeno-Santos et al. Health and Quality of Life Outcomes 2011 9 86 http content 9 1 86 HEALTH AND QUALITY OF LIFE OUTCOMES REVIEW Open Access Validity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks a systematic review PIcifiTi rcimon i-Qnnir tc1 2 3 A f li-j Croi4 5 F lr iHHolc6 DiiHoll7 A Di I Fl Vi4 8 Eleid uimenu Sdiios Aijd Frei Fdbieiie Dobbels I dijd RUdell Milo A rundH did Judith Gdrcid-Aymerich1 2 3 9 for the PROdctive coisortium Abstract Background Guiddice documeits for the developmeit did vdliddtioi of pdtient-reported outcomes PROs ddvise the use of coiceptudl frameworks which outliie the structure of the coicept thdt d PRO dims to medsure. It is unknown whether curreitly dVdildble PROs dre bdsed oi coiceptudl frameworks. This study which wds limited to d specific cdse hdd the followiig dims i to ideitify coiceptudl frameworks of physicdl dctivity ii chroiic respiratory pdtieits or simildr populdtiois chroiic hedrt disedse pdtieits or the elderly did ii to dssess whether the developmeit did vdliddtioi of PROs to medsure physicdl dctivity in these populdtiois were bdsed on d coiceptudl framework of physicdl dctivity. Methods Two systemdtic reviews were coiducted through sedrches of the Medliie Embdse PsycINFO did Ciidhl ddtdbdses prior to Jdiudry 2010. Results li the first review oily 2 out of 581 refereices pertdiiiig to physicdl dctivity ii the defiied populdtiois provided d coiceptudl framework of physicdl dctivity ii COPD pdtieits. li the secoid review out of 103 studies developiig PROs to medsure physicdl dctivity or reldted coistructs ioie were bdsed oi d coiceptudl framework of physicdl dctivity. Conclusions These fiidiigs rdise coiceris dbout how the ldrge body of evideice from studies thdt use physicdl dctivity PRO iistrumeits should be evdludted by hedlth cdre providers guideliie developers did reguldtory dgeicies. Keywords Chroiic hedrt disedse chroiic respiratory disedse .
