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The Effect of Walking on Cardiovascular Risk

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ClinicalTrials.gov Identifier: NCT00284479
Recruitment Status : Completed
First Posted : January 31, 2006
Last Update Posted : July 21, 2006
Sponsor:
Information provided by:
University of Ulster

Brief Summary:
The purpose of this study was to investigate the effects of an 8 week program of walking for 45 minutes, twice a week, on fitness, body composition , blood pressure and blood markers of cardiovascular risk. We hypothesised that this 90 minutes of walking per week would result in measurable increases in fitness and reductions in body fat, resting blood pressure and improved blood lipid profiles.

Condition or disease Intervention/treatment Phase
Sedentariness Behavioral: Walking 45 mins 2x p.w. Not Applicable

Detailed Description:

Current physical activity guidelines suggest that every adult should accumulate 30 minutes or more of moderate intensity physical activity on most days of the week. However, compliance with these guidelines requires considerable commitment in terms of time spent exercising per week (> 150 minutes) and this may deter individuals from starting an exercise programme. Accordingly, randomised controlled trials are needed to evaluate the effects of smaller volumes of exercise on health.

37 civil servants (24 women) aged 41.5 + 9.3 years, were randomly assigned to either two 45 minute walks per week (walking group) or no training (control group). Aerobic fitness, body composition, blood pressure (BP), CRP and lipoprotein variables were measured at baseline and following 8 weeks. Steps counts were measured at baseline and during weeks 4 and 8 of the intervention


Study Type : Interventional  (Clinical Trial)
Enrollment : 40 participants
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: The Effect of a Worksite Based Walking Programme on Cardiovascular Risk in Previously Sedentary Civil Servants
Study Start Date : May 2002
Study Completion Date : January 2003



Primary Outcome Measures :
  1. Aerobic Fitness
  2. Resting Blood Pressure
  3. Body Fatness
  4. Blood Lipids
  5. C-reactive Protein


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Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

Member of staff at the Northern Ireland Civil Service

Exclusion Criteria:

Physically active (defined as compliance with current physical activity guidelines (Pate, 1995), age > 65 years, resting BP > 159/99 mm Hg, total cholesterol > 6.2 mmol•L-1, fasting blood glucose > 7.0 mmol•L-1, body mass index (BMI) > 34.9 kg•m-2, current cigarette smokers, individuals with cardiovascular, pulmonary or metabolic disease, pain or discomfort in the chest, dizziness or heart murmur.

individuals taking medication known to interfere with lipid metabolism, females who were pregnant or planning to become pregnant in the following five months


Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00284479


Locations
United Kingdom
University of Ulster
Newtownabbey, Co Antrim, United Kingdom, BT37 0QB
Sponsors and Collaborators
University of Ulster
Investigators
Study Director: Marie H Murphy University of Ulster at Jordanstown

Publications of Results:
ClinicalTrials.gov Identifier: NCT00284479     History of Changes
Other Study ID Numbers: Murtagh/Murphy 2004
First Posted: January 31, 2006    Key Record Dates
Last Update Posted: July 21, 2006
Last Verified: January 2003

Keywords provided by University of Ulster:
walking intervention
cardiovascular risk
inflammatory markers
aerobic fitness
fatness