Health locus of control in late life: A study of genetic and environmental influences in twins aged 80 years and older

Boo Johansson, Julia D. Grant, Robert Plomin, Nancy L. Pedersen, Frank Martin Ahern, Stig Berg, Gerald E. McClearn

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The factor structure of health locus of control (Form A; K. A. Wallston, B. S. Wallston, & R. DeVellis, 1978) was examined in 420 octogenarians (M age = 83.2 years), and the contributions of genetic and environmental factors to health-control beliefs in 141 octogenarian twin pairs (71 identical, 70 same-sex fraternal) were estimated. Factor analyses reproduced previously proposed factors (Internal, Chance, and Powerful Others). Associations between health-control beliefs and life satisfaction, depression, and other health-related measures (e.g., self-rated health, outpatient contacts, and hospitalization), were modest. Quantitative genetic analyses revealed significant shared environmental influence on the Chance subscale, and significant familiality (attributable to a combination of genetic and shared environmental influences) on the Powerful Others subscale; there was no evidence of familiality on the Internal subscale.

Original languageEnglish (US)
Pages (from-to)33-40
Number of pages8
JournalHealth Psychology
Volume20
Issue number1
DOIs
StatePublished - Jan 1 2001

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Internal-External Control
Health
Statistical Factor Analysis
Hospitalization
Outpatients
Depression

All Science Journal Classification (ASJC) codes

  • Applied Psychology
  • Psychiatry and Mental health

Cite this

Johansson, B., Grant, J. D., Plomin, R., Pedersen, N. L., Ahern, F. M., Berg, S., & McClearn, G. E. (2001). Health locus of control in late life: A study of genetic and environmental influences in twins aged 80 years and older. Health Psychology, 20(1), 33-40. https://doi.org/10.1037/0278-6133.20.1.33
Johansson, Boo ; Grant, Julia D. ; Plomin, Robert ; Pedersen, Nancy L. ; Ahern, Frank Martin ; Berg, Stig ; McClearn, Gerald E. / Health locus of control in late life : A study of genetic and environmental influences in twins aged 80 years and older. In: Health Psychology. 2001 ; Vol. 20, No. 1. pp. 33-40.
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Johansson, B, Grant, JD, Plomin, R, Pedersen, NL, Ahern, FM, Berg, S & McClearn, GE 2001, 'Health locus of control in late life: A study of genetic and environmental influences in twins aged 80 years and older', Health Psychology, vol. 20, no. 1, pp. 33-40. https://doi.org/10.1037/0278-6133.20.1.33

Health locus of control in late life : A study of genetic and environmental influences in twins aged 80 years and older. / Johansson, Boo; Grant, Julia D.; Plomin, Robert; Pedersen, Nancy L.; Ahern, Frank Martin; Berg, Stig; McClearn, Gerald E.

In: Health Psychology, Vol. 20, No. 1, 01.01.2001, p. 33-40.

Research output: Contribution to journalArticle

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