Journal
JOURNAL OF HYPERTENSION
Volume 35, Issue 10, Pages 1983-1991Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/HJH.0000000000001410
Keywords
blood pressure; depression; obesity; Raine Study
Categories
Funding
- University of Western Australia
- Telethon Kids Institute
- Raine Medical Research Foundation
- Faculty of Medicine, Dentistry and Health Science (UWA)
- Women's and Infants' Research Foundation
- Curtin University
- NHMRC [ID63445, ID634509, ID634457, ID1003424]
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Background:Depression and anxiety are risk factors for cardiovascular disease, but their relationship to blood pressure (BP) is less clear. Age-related comorbidity and lifestyle factors may confound these relationships. This study aimed to assess the relationships among BP, depression and anxiety symptom scores and self-reported history of depression in young adults.Method:Data on 1014 participants aged 20 years from the Western Australian Cohort (Raine) Study were analyzed for cross-sectional associations between clinic BP and Depression, Anxiety, Stress Scale questionnaire scores or a reported history of depression, accounting for relevant confounders.Results:Multivariable adjusted analyses showed an inverse relationship between SBP with depression (coefficient=-0.10; P=0.012) and anxiety (after excluding two outliers with SBP>156mmHg, coefficient=-0.13; P=0.018) scores, independent of sex, BMI, female hormonal contraceptive use, alcohol consumption, birth weight and maternal hypertension in pregnancy. SBP was 1.6mmHg lower for 2 SD (16 units) increase in depression score. There was an inverse association between self-reported history of depression (15.8% of participants) and SBP (coefficient=-1.91; P=0.023), with an interaction with increasing BMI (interaction coefficient=-0.43; P=0.002) enhancing this difference.Conclusion:Our findings show that SBP in young adults is inversely associated with depression and anxiety scores, independent of a range of lifestyle confounders. Despite a positive association between BMI and BP, adiposity enhanced the inverse association between self-reported history of depression and SBP. These findings contrast with the predisposition of depressed participants to cardiovascular disease in later life when decades of unhealthy lifestyle changes may dominate.
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