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Seasonal eating patterns in Norway: a non-clinical population study
J A Perry1, D H Silvera, J H Rosenvinge
1Department of Psychology, University of Tromsø, Norway. judy@psyk.uit.no
Scandinavian Journal of Psychology
|September 8, 2001
Summary
Seasonal changes in eating habits are linked to mood disorders. Studies show eating disturbances fluctuate seasonally, with higher scores in winter, affecting a specific population group.
Area of Science:
- Psychology
- Behavioral Science
- Chronobiology
Background:
- Seasonal deviations in eating habits are associated with seasonal affective disorder (SAD) and bulimia nervosa (BN).
- Understanding seasonal eating patterns is crucial for mental health research.
Purpose of the Study:
- To investigate seasonal patterns in eating disturbances.
- To identify factors influencing seasonal variations in eating habits.
Main Methods:
- Study 1: Cross-sectional analysis of 6313 participants using the Eating Disturbance Scale (EDS-5) and Seasonal Pattern Assessment Questionnaire (SPAQ).
- Study 2: Longitudinal study of 908 participants, monthly EDS-5 assessments from November 1993 to January 1995.
- Statistical analysis to determine predictors of eating disturbance scores.
Main Results:
- Eating disturbance scores were predicted by seasonal sensitivity, gender, age, and light exposure.
- EDS-5 scores showed seasonal fluctuations, peaking in winter and reaching lowest points in summer.
- Seasonal eating fluctuations were observed in a subset of the population.
Conclusions:
- Seasonal variations significantly impact eating habits and disturbances in certain individuals.
- The findings highlight the need for considering seasonal influences in the assessment and treatment of eating disorders.