Key result
Social isolation linked to lower composite cardiovascular health scores.
Why the study?
The relation of social isolation to global cardiovascular health was not clear.
Is social isolation associated with lower cardiovascular health scores in US adults?
Cross-Sectional (n=3,528)
Is social isolation associated with lower cardiovascular health scores in US adults?
Social isolation is associated with lower global cardiovascular health scores, particularly poorer smoking status, physical activity, and fasting glucose levels.
Answers are grounded in this paper and cite their sources.
Supports incorporating social isolation into CVH assessments; hypothesis-generating for prospective studies.
Background/Aim: The relation of social isolation (SI) to global cardiovascular health (CVH) is not clear. In this paper the association of CVH metrics to SI within US adults was investigated. Methods: Using the US National Health and Nutrition Examination Survey, the association of SI with American Heart Association's Life's Simple 7 (LS7) CVH components (smoking, body mass index, physical activity, total cholesterol, diet, blood pressure, fasting blood glucose) was examined. The sum of the components (scored 1 for poor, 2 for intermediate and 3 for ideal) created a composite CVH score. Multiple logistic regression provided the odds of SI according to levels of the LS7 components adjusted for age, sex, and ethnicity. Results: A total of 3,528 adults aged ≥ 40 were studied. The mean age, sex and ethnicity-adjusted composite CVH scores were 14.1 vs 14.6 in those with vs without SI (p < 0.01). Multiple logistic regression examined individual LS7 components in relation to SI and showed the adjusted odds for SI for those with ideal vs poor smoking status to be 0.57 (range 0.38-0.85), ideal vs poor physical activity 0.53 (range 0.37-0.76) and ideal vs poor fasting glucose 0.65 (range 0.47-0.91). Conclusion: This study generally shows lower levels of CVH in those with vs without SI, with non-smoking status; ideal physical activity and ideal glucose levels were all less likely associated with SI, suggesting the potential value for screening for SI in identifying those at potential cardiovascular disease risk.
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Kieu et al. (2020) conducted a cross-sectional in Cardiovascular health (n=3,528). Social isolation vs. No social isolation was evaluated on Mean adjusted composite cardiovascular health (CVH) score (p=<0.01). Social isolation was associated with a significantly lower mean adjusted composite cardiovascular health score compared to individuals without social isolation (14.1 vs 14.6, p<0.01).
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