Periodic cohort health examinations in the TAMRISK study show untoward increases in body mass index and blood pressure during 15 years of follow-up

BMC Public Health

Seppo T Nikkari¹  Pirjo Palmroos²  Kirsi Määttä²  Tarja Kunnas² 

[1]Tullinkulma Occupational Health Unit, City of Tampere, Tampere, Finland

[2]Department of Medical Biochemistry, University of Tampere Medical School, Tampere, Finland

关键词: Hypertension;    Body mass index;    Periodic health examinations;   

Others  :  1163290
DOI  :  10.1186/1471-2458-12-654

 received in 2012-03-16, accepted in 2012-08-08,  发布年份 2012

【 摘 要 】

Background

Obesity is a significant risk factor for hypertension and diabetes. A cohort of 50-year-old voluntary periodic health examination (PHE) participants was analyzed 15 years retrospectively. Our aim was to evaluate changes in body mass index (BMI) and blood pressure in subjects diagnosed with hypertension and/or diabetes in comparison with healthy controls.

Methods

Voluntary periodic health examinations (PHE) of the citizens have been carried out by the city of Tampere, Finland. Health data, including body mass index (BMI) and blood pressure, were recorded every five years, starting at the age of 35 (baseline). A total of 339 subjects from the 50-year-old cohort having hypertension and/or diabetes were chosen to the study group. The control group included 604 subjects from the 50-year-old cohort who had the same follow-up information but were not diagnosed with hypertension and/or diabetes.

Results

In the study group the mean BMI had increased from 26.1 at baseline to 28.5 at the final 15-year follow-up examination. The corresponding increase in the control group was from 23.8 at baseline to 25.5 at the final follow-up. The difference in change with time between the groups was statistically significant (p = 0.04). On the average, the controls gained 4.9 kilograms, whereas subjects in the study group gained 7.0 kilograms over the 15 years of follow-up. Systolic and diastolic blood pressures were also higher in the study group already at baseline and systolic blood pressure increased with time more in the study group than in the control group (p = 0.004).

Conclusions

BMI and blood pressure were higher in the study group in comparison with the controls already at baseline at 35 years, and the differences were not favorably changed during the follow-up. Apparently, the effect of PHE had not been as efficient as planned on subjects in the study group, who were already slightly overweight at baseline.

【 授权许可】

   
2012 Kunnas et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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