题目内容：
Job flexibility is the key to keeping workers happy, productive and loyal to the company, a new study shows.Researchers at Wake Forest University School of Medicine in Winston-Salem, North Carolina, found thatworkerswhoenjoyedmorework flexibility were also62likely to say health problems63their performance at work.
For managers, the results suggest that64 flexible work arrangements can contribute to the bottom-line," said Joseph Grzywacz, a professor of family medicine at the university.
Workplace flexibility refers to the ability of employees to55where, when and how long their work is performed.65, flexi time and job sharing were the main types of flexibility67in the study published in the Psychologist-Manager journal.
Theresearchersstudiedahealthsurvey completedby3193employeesofalarge multinational pharmaceutical company.They used the information to determine68increases or decreases in perceived flexibility from one year to the next were associated with a variety of factors. Decreases in flexibility over the year were associated with69job commitment, but had little70 mon absence, they said. Offering a variety of71 workarrangementsandtrainingmanagers and supervisors to be72of workers' personal lives may help in creating a culture of flexibility,
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