ArticleJournal of epidemiology and community health1996
Physical activity, physical fitness, blood pressure, and fibrinogen in the Northern Ireland health and activity survey.
Article in Journal of epidemiology and community health, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Mortality benefits of population-wide adherence to national physical activity guidelines: a prospective cohort study.European journal of epidemiology · 2015Article
- Diet, exercise and the metabolic syndrome.The review of diabetic studies : RDS · 2006Article
- Established and recently identified coronary heart disease risk factors in young people: the influence of physical activity and physical fitness.Sports medicine (Auckland, N.Z.) · 2003Review
- Variables associated with fibrinogen in a population-based study: interaction between smoking and age on fibrinogen concentration.European journal of epidemiology · 2001Article
- Physical fitness and sport activity of children and adolescents: methodological aspects of a regional survey.Sozial- und Praventivmedizin · 1999Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
STUDY
objectiveTo investigate the relationship between physical activity, physical fitness, blood pressure, and fibrinogen.
designThis was a cross sectional population study using a two stage probability sample.
settingNorthern Ireland.
participantsA sample of 1600 subjects aged 16-74 years from the population of Northern Ireland.
main outcome measuresPhysical activity profile from computer assisted interview using the Allied Dunbar national fitness survey scales. Physical fitness using estimation of VO2 max by extrapolation from submaximal oxygen uptake while walking on a motor driven treadmill. Systolic and diastolic blood pressure measured with a Hawksley random zero sphygmomanometer. Measurement of fibrinogen using the Clauss method. MAIN
resultsThere were significant relationships between both current and past activity and blood pressure. These were of a magnitude that would have been clinically significant, but for the fact that, with the exception of the relationship between habitual activity and diastolic pressure (p = 0.03) and past activity and systolic pressure (p = 0.03) in men, they were not sustained after adjustment for the effect of age using analysis of variance. After adjustment for other potentially confounding factors using multiple regression, there was an inverse relationship between systolic blood pressure and past activity in men, so that those with a life-time of participation compared with a life-time of inactivity had a lower systolic blood pressure of 6 mmHg (p < 0.05). There was a highly significant (p < 0.001) inverse association between both systolic and diastolic blood pressure and physical fitness (VO2 max) which was not sustained after adjustment for possible confounding factors. There were relationships between fibrinogen and highest recorded activity (p < 0.001), habitual activity (p < 0.01), and past activity (p < 0.01) in men but no significant relationship in women. The relationship between fibrinogen and activity was no longer sustained after adjustment for possible confounding factors. There was a highly significant (p < 0.001) inverse relationship with physical fitness using VO2 max. This relationship was sustained after adjustment for possible confounding factors in both men (p < 0.05) and women (p < 0.001).
conclusionsThere was a relationship between physical activity, physical fitness, and blood pressure but the relationship was greatly influenced by age. A reduction of 6 mmHg in systolic blood pressure associated with past activity is of clinical significance and supports the hypothesis that physical activity is of benefit in reducing cardiovascular risk. There was a lower level of fibrinogen in those who were most active but this relationship was not significant after adjustment for possible confounding factors. There was also a lower level of fibrinogen those who were most fit (VO2 max) and this relationship persisted even after adjustment for possible confounding factors.
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