"The answer," they write, "is a most emphatic 'No.'"
Looking at eight different indicators of mental health problems, the researchers examined whether the stereotype of the "jolly fat" is accurate. It's not, says researcher Robert E. Roberts, Ph.D., of the University of Texas Health Science Center at Houston. "There was either no observed association between obesity and psychological dysfunction or the obese were worse off," he and his colleagues write. " In no case did we observe better mental health among the obese. In sum, the obese were not more jolly."
Roberts and his colleagues looked at data from a long-term study of residents of Alameda County, Calif., gleaning information for 1,739 people who were at least 50 years old in 1994 and who provided information on body mass index and mental health. They used data from that year as well as 1999, when participants were questioned again.
Measures of mental health included questions about overall happiness, life and relationship satisfaction, positive or negative mental state, feeling loved, depression and optimism. The researchers also looked at respondents' social support, level of financial strain, number of recent stress-inducing life events, chronic medical conditions and frequency of exercise.
Limited previous research exists on the issue of whether obese people have fewer or more mental health problems than the general public; Roberts and his colleagues reference 16 such studies. They found that in seven of those studies, obesity had a negative effect on mental health; in six, there was a positive association between obesity and mental health; and in three, no association was recorded.
Roberts notes that this study differs from most existing research in that it shows provides "prospective" data
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Contact: Jackie Preston
Jacqueline.F.Preston@uth.tmc.edu
713-500-3033
Center for the Advancement of Health
19-Aug-2002