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Longitudinal Research02:20

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Updated: Apr 11, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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Changes in Doctors' Working Hours: A Longitudinal Analysis.

Catherine M Joyce1, Wei C Wang2, Terence C Cheng3

  • 1Monash University, Melbourne, Victoria, Australia catherine.joyce@monash.edu.

Medical Care Research and Review : MCRR
|June 6, 2015
PubMed
Summary
This summary is machine-generated.

Australian doctors are working fewer hours and reporting increased satisfaction, influenced by personal factors. This shift reflects changing professional norms and impacts future workforce planning.

Keywords:
Australian GPs and specialistsMABEL surveylatent growth curve modelingsatisfactionworking hours

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Area of Science:

  • Medical workforce research
  • Occupational health
  • Sociology of professions

Background:

  • Historically, long working hours were associated with professionalism in medicine.
  • Recent trends suggest a potential shift in medical professionals' work-life balance and job satisfaction.

Purpose of the Study:

  • To analyze trends in doctors' working hours and satisfaction over time.
  • To investigate the impact of personal characteristics on these trends.
  • To understand the evolving culture of professionalism in the medical field.

Main Methods:

  • Utilized latent growth curve modeling.
  • Analyzed longitudinal data from "Medicine in Australia: Balancing Employment and Life" (2008-2012).

Main Results:

  • A significant decline in doctors' working hours was observed.
  • Working hour reduction was more pronounced in males, older doctors, and those with fewer children.
  • Satisfaction with working hours increased over time, particularly for specialists, doctors with poorer health, and those with non-full-time working partners or older children.
  • Initial higher working hours correlated with lower initial satisfaction but a greater increase in satisfaction over time.

Conclusions:

  • Findings indicate a cultural shift in the medical profession, decoupling long hours from professionalism.
  • These changes in working hours and satisfaction are crucial for projecting future medical workforce supply.