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Göteborgs universitets publikationer

Fitness moderates the relationship between stress and cardiovascular risk factors

Författare och institution:
Markus Gerber (-); Mats Börjesson (Institutionen för kost- och idrottsvetenskap); Thomas Ljung (-); Magnus Lindwall (Institutionen för kost- och idrottsvetenskap & Psykologiska institutionen); Ingibjörg H Jonsdottir (Institutionen för kost- och idrottsvetenskap)
Publicerad i:
Medicine & Science in Sports & Exercise, Epub ahead of print
Artikel, refereegranskad vetenskaplig
Sammanfattning (abstract):
PURPOSE: This cross-sectional observational study examined the degree to which cardiorespiratory fitness (CRF) and self-perceived stress are associated with cardiometabolic risk factors and the overall risk score for cardiovascular diseases. The second aim was to determine whether participants' CRF levels moderate the relationships between stress and cardiometabolic risk. METHODS: A gender-matched stratified sample (N=197, 51% men, Mage=39.2 years) was used to ensure that participants with varying stress levels were equally represented. CRF was assessed with the Åstrand bicycle test, perceived stress with a single-item question. Systolic (SBP) and diastolic blood pressure (DBP), body mass index (BMI), total cholesterol (TC), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C), triglycerides (TG), and glycated hemoglobin (HbA1c), and a total cardiometabolic risk score (sum of the z-standardized residuals of the above indicators) were assessed as outcomes. RESULTS: Higher LDL-C, TG, and total metabolic risk were found in participants with high stress scores (p<.05). In addition, lower SBP, DBP, BMI, LDL-C, TG, and total metabolic risk were observed in participants with high CRF (p<.05). Two-way analyses of covariance provided significant interaction effects for five of the nine outcome variables (p<.05, 3.6%-4.8% of explained variance). Participants with high stress who also had high CRF levels had lower SBP, DBP, LDL-C, TG, and total cardiometabolic risk than participants with high stress, but low or moderate CRF levels. No significant main or interaction effects occurred for BMI, TC, HDL-C, and HbA1c. CONCLUSION: Better CRF is associated with more favourable levels of several cardiometabolic risk factors, specifically in participants experiencing high stress. Higher CRF may provide some protection against the health hazards of high chronic stress by attenuating the stress-related increase in cardiovascular risk factors.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
Hälsovetenskaper ->
Annan medicin och hälsovetenskap
Postens nummer:
Posten skapad:
2016-08-11 16:51
Posten ändrad:
2016-08-12 10:25

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