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The enigma of increased non-cancer mortality after weight loss in healthy men who are overweight or obese.

Nilsson, Peter, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Internmedicin - epidemiologi, Internal Medicine - Epidemiology
Nilsson, Jan-Åke, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Ortopedi - klinisk och molekylär osteoporosforskning, Orthopedics - Clinical and Molecular Osteoporosis Research
Hedblad, Bo, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Kardiovaskulär forskning - epidemiologi, Cardiovascular Research - Epidemiology
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Berglund, Göran, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Internmedicin - epidemiologi, Internal Medicine - Epidemiology
Lindgärde, Folke, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Medicinska fakulteten, Faculty of Medicine, Institutionen för kliniska vetenskaper, Malmö, Department of Clinical Sciences, Malmö, Kardiovaskulär forskning - epidemiologi, Cardiovascular Research - Epidemiology
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2002
Engelska.
Ingår i: Journal of Internal Medicine. - Wiley-Blackwell Publishing Ltd. - 1365-2796. ; 252:1, s. 70-78
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Abstract Ämnesord
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  • Objective. To study effects on non-cancer mortality of observational weight loss in middle-aged men stratified for body mass index (BMI), taking a wide range of possible confounders into account. Design. Prospective, population based study. Setting. Male population of Malmö, Sweden. Participants. In all 5722 men were screened twice with a mean time interval of 6 years in Malmö, southern Sweden. They were classified according to BMI category at baseline (<21, 22-25, overweight: 26-30, and obesity: 30+ kg m-2) and weight change category until second screening (weight stable men defined as having a baseline BMI ± 0.1 kg m-2 year-1 at follow-up re-screening). Main outcome measures. Non-cancer mortality calculated from national registers during 16 years of follow-up after the second screening. Data from the first year of follow-up were excluded to avoid bias by mortality caused by subclinical disease at re-screening. Results. The relative risk (RR; 95% CI) for non-cancer mortality during follow-up was higher in men with decreasing BMI in all subgroups: RR 2.64 (1.46-4.71, baseline BMI <21 kg m-2), 1.39 (0.98-1.95, baseline BMI 22-25 kg m-2), and 1.71 (1.18-2.47, baseline BMI 26+ kg m-2), using BMI-stable men as reference group. Correspondingly, the non-cancer mortality was also higher in men with increasing BMI, but only in the obese group (baseline BMI 26+ kg m-2) with RR 1.86 (1.31-2.65). In a subanalysis, nonsmoking obese (30+ kg m-2) men with decreased BMI had an increased non-cancer mortality compared with BMI-stable obese men (Fischer's test: P=0.001). The mortality risk for nonsmoking overweight men who increased their BMI compared with BMI-stable men was also significant (P=0.006), but not in corresponding obese men (P=0.094). Conclusions. Weight loss in self-reported healthy but overweight middle-aged men, without serious disease, is associated with an increased non-cancer mortality, which seems even more pronounced in obese, nonsmoking men, as compared with corresponding but weight-stable men. The explanation for these observational findings is still enigmatic but could hypothetically be because of premature ageing effects causing so-called weight loss of involution.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Annan klinisk medicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Other Clinical Medicine (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Ortopedi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Orthopedics (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine (hsv//eng)

Nyckelord

Population Surveillance
Obesity
Middle Age
Male
Life Style
Non-U.S. Gov't
Human
Cause of Death
Body Mass Index
Sweden
Weight Loss
Prospective Studies
Questionnaires
Registries
Risk Factors
Smoking: adverse effects
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Av författaren/redakt...
Nilsson, Peter
Nilsson, Jan-Åke
Hedblad, Bo
Berglund, Göran
Lindgärde, Folke
Om ämnet
MEDICIN OCH HÄLSOVETENSKAP
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Lunds universitet

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