↵^a All correlations were significant at the .01 level (2-tailed). Values of less than .3 indicate low correlations, those between .3 and .6 indicate moderate correlations, and those of greater than .6 indicate high correlations. PGQ=Pelvic Girdle Questionnaire; DRI=Disability Rating Index; ODI=Oswestry Disability Index; SF1, SF2, SF3, SF4, SF5, SF6, SF7, and SF8=general health, physical functioning, role–physical (role of physical health problems in work or other daily activities), bodily pain, vitality, social functioning, mental health, and role–emotional (role of emotional problems in work or other daily activities) items of the 8-item version of the Medical Outcomes Study 36-Item Short-Form Health Survey questionnaire, respectively; FABQ=Fear-Avoidance Beliefs Questionnaire; PCS=Pain Catastrophizing Scale.