Abstract

An association between early life adversity and a range of coordinated behavioural responses that favour reproduction at the cost of a degraded health is often reported in humans. Recent theoretical works have proposed that perceived control—i.e., people’s belief that they are in control of external events that affect their lives—and time orientation—i.e., their tendency to live on a day-to-day basis or to plan for the future—are two closely related psychological traits mediating the associations between early life adversity, reproductive behaviours and health status. However, the empirical validity of this hypothesis remains to be demonstrated. In the present study, we examine the role of perceived control and time orientation in mediating the effects of early life adversity on a trade-off between reproductive traits (age at 1st childbirth, number of children) and health status by applying a cross-validated structural equation model frame on two large public survey datasets, the European Values Study (EVS, final N = 43,084) and the European Social Survey (ESS, final N = 31,065). Our results show that early life adversity, perceived control and time orientation are all associated with a trade-off favouring reproduction over health. However, perceived control and time orientation mediate only a small portion of the effect of early life adversity on the reproduction-health trade-off.

Highlights

  • In this study, we investigated two psychological traits—perceived control and time orientation—that possibly mediate the effect of early life adversity on reproductive behaviour and health status

  • The accurate measurement of early life adversity is extremely challenging with our current conceptual models (Smith and Pollak, 2021)

  • We only found weak support for our main hypothesis: only a small proportion of the positive association between adverse childhood conditions and the reproductionmaintenance trade-off is mediated by perceived control

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Summary

Introduction

The present study aims to progress towards these goals by conducting two sets of large-scale multivariate models testing the mediating role of perceived control (model set 1) and time orientation (model set 2) in the association between early life adversity and a hypothetical trade-off between reproductive (i.e., timing of reproduction, fertility) and maintenance (i.e., health status) traits. As these traits are expected to cluster differently between females and males (Sear, 2020), model sets will be run separately for individuals of both sexes. Both are large-scale, cross-national, and longitudinal survey research programmes on basic human values

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