Absence from work and physical fitness.
D000041:Absenteeism; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D010101:Oxygen Consumption; D005082:Physical Exertion; D010809:Physical Fitness / Q000592:standards*; D012129:Respiratory Function Tests; D012737:Sex Factors; D013686:Telemetry