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Work-shift period and weight change.

A Geliebter1, M E Gluck, M Tanowitz

  • 1New York Obesity Research Center, New York, USA. AG58@Columbia.edu

Nutrition (Burbank, Los Angeles County, Calif.)
|February 16, 2000
PubMed
Summary
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Late-shift hospital workers experienced significantly more weight gain than day-shift workers. Changes in eating, exercise, and sleep patterns likely contribute to this shift work-related weight gain.

Area of Science:

  • Occupational Health
  • Chronobiology
  • Metabolic Health

Background:

  • Shift work is common in healthcare, potentially impacting worker health.
  • Previous studies suggest links between shift work and metabolic disturbances.
  • Understanding weight changes in shift workers is crucial for preventative health strategies.

Purpose of the Study:

  • To investigate if late-shift hospital workers experience greater weight gain compared to day-shift workers.
  • To explore potential contributing factors such as changes in diet, exercise, and sleep.

Main Methods:

  • A questionnaire-based study involving 85 hospital workers (36 day shift, 49 late shift).
  • Assessed changes in weight, food intake, exercise habits, and sleep patterns since starting current shift.

Related Experiment Videos

  • Statistical analysis to compare weight gain and lifestyle factors between day and late shifts.

    • Main Results:

    • Late-shift workers reported significantly higher mean weight gain (4.3 kg) versus day-shift workers (0.9 kg).
    • A trend towards increased food intake and decreased exercise was observed in late-shift workers.
    • Late-shift workers consumed fewer meals, ate later, and reported more/longer naps.

    Conclusions:

    • Late-shift hospital work is associated with greater weight gain.
    • Altered eating timing, reduced physical activity, and disrupted sleep patterns may drive this weight gain.
    • Interventions targeting lifestyle factors are needed for late-shift workers.