It Takes Two: A Longitudinal Dyadic Study on Predictors of Fertility Outcomes. Hutteman, R., Bleidorn, W., Penke, L., & Denissen, J.&nbsp;J.<nbsp>A. JOURNAL OF PERSONALITY, 81(5):487-498, OCT, 2013.
doi  abstract   bibtex   
Objective Although previous studies have found personality traits to be associated with reproductive behavior, it remains unclear whether there are dyadic associations between partners' personality and couples' decisional process to have children. The aim of the present study was to investigate the associations between partners' personality, parenthood expectations and intentions, and the couple's fertility outcomes one year later. Method We used dyadic longitudinal data from 2,482 couples with a mean age of 32.7 years (SD=5.9) participating in the Panel Analysis of Intimate Relationships and Family Dynamics (PAIRFAM). Results Self-esteem, shyness, and aggressiveness of both partners were related to one's own and one's partner's expectations about parenthood. These expectations were associated with one's own and one's partner's intentions to become a parent, which in turn predicted the couple's actual fertility outcomes. Personality traits of both partners were directly associated with the fertility outcome, with self-esteem of both partners and male aggressiveness predicting the couple's decision to have their first child. The effect of self-esteem on the decision to become a parent was mediated by the partner's intention. Conclusions In sum, our findings stress the importance of psychological factors in fertility outcomes and emphasize the role of dyadic processes.
@article{ ISI:000323848800006,
  author = {Hutteman, Roos and Bleidorn, Wiebke and Penke, Lars and Denissen, Jaap
   J. A.},
  title = {{It Takes Two: A Longitudinal Dyadic Study on Predictors of Fertility
   Outcomes}},
  journal = {{JOURNAL OF PERSONALITY}},
  year = {{2013}},
  volume = {{81}},
  number = {{5}},
  pages = {{487-498}},
  month = {{OCT}},
  abstract = {{Objective Although previous studies have found personality traits to be
   associated with reproductive behavior, it remains unclear whether there
   are dyadic associations between partners' personality and couples'
   decisional process to have children. The aim of the present study was to
   investigate the associations between partners' personality, parenthood
   expectations and intentions, and the couple's fertility outcomes one
   year later.
   Method We used dyadic longitudinal data from 2,482 couples with a mean
   age of 32.7 years (SD=5.9) participating in the Panel Analysis of
   Intimate Relationships and Family Dynamics (PAIRFAM).
   Results Self-esteem, shyness, and aggressiveness of both partners were
   related to one's own and one's partner's expectations about parenthood.
   These expectations were associated with one's own and one's partner's
   intentions to become a parent, which in turn predicted the couple's
   actual fertility outcomes. Personality traits of both partners were
   directly associated with the fertility outcome, with self-esteem of both
   partners and male aggressiveness predicting the couple's decision to
   have their first child. The effect of self-esteem on the decision to
   become a parent was mediated by the partner's intention.
   Conclusions In sum, our findings stress the importance of psychological
   factors in fertility outcomes and emphasize the role of dyadic
   processes.}},
  doi = {{10.1111/jopy.12006}},
  issn = {{0022-3506}},
  unique-id = {{ISI:000323848800006}}
}

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