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The Role of Age and Gender in Perceived Vulnerability to Infectious Diseases.

Abstract：

:Background: The study of the immune system has been approached using two separate paths, the biological immune system and the behavioral immune system. Recently, Gangestad and Grebe proposed a unique integrated compensatory immune system, where both systems work together and one of them could compensate for the other when necessary. However, few studies have confirmed the existence of this integrated compensatory immune system. Our study represents an attempt to explore the existence of this unique immune system, investigating if the behavioral immune system variables increase when the biological immune system weakens with age. Material andMethods. The cross-sectional design study was made up of a final sample of 1108 participants (45.2% men and 54.2 women) aged 18-64 years. The younger group (18-21 years) was made up of students, whilst the older groups (22 to 64 years) were composed by their relatives and acquaintances, following the snow ball process. The participants completed the Perceived Vulnerability to Disease Questionnaire that assesses perceived infectability and germ aversion. Correlations, analyses of variance (ANOVAs), and independent group comparisons were performed. These analyses showed the relationships between the variables studied, the effects of age and gender in perceived infectability and germ aversion, and the differences that perceived infectability and germ aversion presented in different age-groups separated by gender. Results: A pattern emerged where germ aversion increases as both men and women get older, but perceived infectability decreases up to the age of 50, and then it increases in women from that age onward. Gender differences are only significant in younger participants, with women having higher scores than men in both variables. Conclusion: The results partially support the existence of a unique integrated compensatory biological/behavioral immune system.

journal_name

Int J Environ Res Public Health

journal_title

International journal of environmental research and public health

authors

Díaz A,Beleña Á,Zueco J

doi

10.3390/ijerph17020485

subject

Has Abstract

pub_date

2020-01-11 00:00:00

issue

eissn

1661-7827

issn

1660-4601

pii

ijerph17020485

journal_volume

pub_type

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The Role of Age and Gender in Perceived Vulnerability to Infectious Diseases.