The Effect of Walking on Cardiovascular Risk
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Purpose
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 | Intervention |
|---|---|
|
Sedentariness |
Behavioral: Walking 45 mins 2x p.w. |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Single Group Assignment Masking: Open Label Primary Purpose: Prevention |
| Official Title: | The Effect of a Worksite Based Walking Programme on Cardiovascular Risk in Previously Sedentary Civil Servants |
- Aerobic Fitness
- Resting Blood Pressure
- Body Fatness
- Blood Lipids
- C-reactive Protein
| Estimated Enrollment: | 40 |
| Study Start Date: | May 2002 |
| Estimated Study Completion Date: | January 2003 |
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
Eligibility| Ages Eligible for Study: | 18 Years to 65 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
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
Contacts and Locations| United Kingdom | |
| University of Ulster | |
| Newtownabbey, Co Antrim, United Kingdom, BT37 0QB | |
| Study Director: | Marie H Murphy | University of Ulster at Jordanstown |
More Information
Publications:
| ClinicalTrials.gov Identifier: | NCT00284479 History of Changes |
| Other Study ID Numbers: | Murtagh/Murphy 2004 |
| Study First Received: | January 27, 2006 |
| Last Updated: | July 20, 2006 |
| Health Authority: | United Kingdom: University of Ulster United Kingdom: Northern Ireland Civil Service |
Keywords provided by University of Ulster:
|
walking intervention cardiovascular risk inflammatory markers aerobic fitness fatness |
ClinicalTrials.gov processed this record on May 19, 2013