Factors contributing to attrition rates in a pulmonary rehabilitation program.
D000203:Activities of Daily Living; D000328:Adult; D000339:Affect; D000368:Aged; D001945:Breathing Exercises; D004032:Diet; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000523:psychology / Q000534:rehabilitation*; D008297:Male; D008875:Middle Aged; D010352:Patient Dropouts; D005082:Physical Exertion; D012064:Relaxation Therapy; D012129:Respiratory Function Tests