One illustrative study found that men from a variety

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One illustrative study found that men from a variety of occupations randomly assigned to an exercise program reported improvements in work performance more fre- quently (60%) than the nonparticipant group (3%)_48 A problem with this type of study is that recruitment to the program may include telling prospective participants about potential benefits of the programs - including feeling better, more energy and greater enjoyment of work. Subse- qu e nt responses to personal questions on attitudes towards job and company may be : '~rpli a ble . Direct measurements of increased productivity seco ndary to worksite exercise programs have not been reported in the North American literature. Also lacking are controlled studies on the effect of such programs on employee turnover despite the hope that programs will lead to decreased turnover. Physical exercise has been shown to decrease perceived stress and feelings of depreSSion. Many individuals claim that it reduces their feelings of anger and anxiety_ How these effects translate to job performance has not been well studied. 43 Positive effects require participation and adherence. AI· though insufficient ",ublished data exist to confirm the consistency and relative impact of various demographic and program factors on participation, it appears from available studies and disclissions with fitness directors that socio- economic status, age, health pr ac tic es , ge nder, proximity to work stations, flexibility of job sc h ed uling, variety of activi- ties offered, hours per day of pro gram operation, support from and participation of top management and immediate supervisor, availablity of program supervision, seasonal factors, criteria for entry, and d egree an d type of recruit- ment effort may all affect p ar ticipation rates. 3S -39,41-43.49 When participation is defined as completing preexercise scree ning and at least initiating an exerci se program, rates are generally reported in the rang e of20% to 40% for onsite programs, with offsite company sponsored programs (e_g., YMCA membership) showing lower rates, generally 10",0 to 25%. Adherence to exercise habit is a significant problem. The rate of discontinuance of exercise programs appears to correlate directly with the frequency and intensity of the recommended or self-defined regimen. Of 110 "active" participants in a supervised onsite circuit training program for Exxon executives, after one year 12 (11%) were exercis- ing less than one-half session p er week, 27 (24%) used the facility an average of once per week, 59 (54 %) twice per week and 12 (11 %) three times per week?" Of 237 initial participants in a variety of National Aeronautics and Space Admini stration-sponsored exe rci se programs only 47.5 % exercised an average of one or more days per average week and 38.4% exercised two or more days per average week, with stated factors interfering with ad herence that included Journal of Occupational Medicine/Vol. 24, No_ 11/f~ovember 1982 911 . .. .. .
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  • Spring '12
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  • th e average, th ese programs, th ese program, al th prohssionals, th e work

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