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Gender differences in the bidirectional relationship between alcohol consumption and sleeplessness: the Tromsø study
Kamilla Rognmo1, Svein Bergvik2, Jan Harald Rosenvinge2
1Department of Psychology, UiT the Arctic University of Norway, P.O. Box 6050 Langnes, 9037, Tromsø, Norway. kamilla.rognmo@uit.no.
BMC Public Health
|May 1, 2019
Summary
High alcohol consumption and sleeplessness show a bidirectional relationship in men over time. This connection was not observed in women, highlighting specific health risks for men.
Area of Science:
- Public Health
- Epidemiology
- Longitudinal Studies
Background:
- The relationship between alcohol use and sleeplessness is complex and debated, with previous studies showing inconsistent results regarding its directionality.
- Understanding whether alcohol consumption influences sleeplessness, or vice versa, is crucial for public health interventions.
- This study addresses the bidirectional nature of this relationship using a long-term perspective.
Purpose of the Study:
- To investigate the bidirectional relationship between alcohol consumption and sleeplessness.
- To examine how changes and stability in alcohol use predict sleeplessness, and how changes and stability in sleeplessness predict alcohol use.
- To analyze these relationships over a 13-year period in a large population sample.
Main Methods:
- Longitudinal data from 9941 Norwegian adults from the Tromsø Study (1994-1995 and 2007-2008) were analyzed.
- Alcohol consumption was assessed via frequency, amount, and binge drinking; sleeplessness was measured by self-reported frequency.
- Logistic regression analyses, stratified by gender, were used to evaluate the stability and change in both variables.
Main Results:
- In men, stable or increasing alcohol consumption was significantly associated with a higher risk of sleeplessness at follow-up.
- Conversely, stable or increasing sleeplessness in men was significantly linked to a higher risk of high alcohol consumption at follow-up.
- No significant bidirectional relationship between alcohol use and sleeplessness was found among women.
Conclusions:
- A bidirectional relationship exists between high alcohol consumption and sleeplessness, but only in men.
- Healthcare professionals should be aware of these specific risks for men regarding excessive drinking and sleeplessness.
- The findings underscore the importance of considering gender-specific health implications in public health messaging.
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