Drinking with mixed-gender groups is associated with heavy weekend drinking among young adults

Johannes Thrul, Florian Labhart, Emmanuel Kuntsche

Research output: Contribution to journalArticle

Abstract

Aims: To investigate how gender composition of the drinking group affects young adults’ alcohol consumption on weekend evenings over and above the effect of drinking-group size. Design: Using the internet-based cellphone-optimized assessment technique (ICAT), participants completed online questionnaires on their cell phones every hour from 8 p.m. to midnight on Thursday, Friday and Saturday evenings during five consecutive weekends. Setting: French-speaking Switzerland. Participants: Convenience sample of 183 young adults (53.0% female, mean age = 23.1) who completed a total of 4141 hourly assessments. Measurements: Alcohol consumption and number of male and female friends present assessed at 8 p.m., 9 p.m., 10 p.m., 11 p.m. and midnight. Findings: Results of three-level negative binomial regression analyses showed that women consumed significantly more drinks per hour when drinking in mixed-gender groups (Z-values ranging from 2.9 to 5.3, all P < 0.01) and significantly fewer drinks when drinking with men only (Z = −2.7, P < 0.01), compared with drinking with women only. Men reported consuming more drinks per hour in mixed-gender groups of equal gender composition (Z = 2.4, P < 0.05) or mixed-gender groups with men in the majority (Z = 2.2, P < 0.05) and fewer hourly drinks when drinking with women only (Z = −4.9, P < 0.001), compared with drinking with men only. Drinking-group size predicted the hourly number of drinks for women (Z = 6.0, P < 0.001) and men (Z = 5.5, P < 0.001). Conclusions: Drinking-group gender composition is associated with number of drinks consumed per hour, over and above the impact of the drinking-group size. Young adults report consuming more drinks per hour when drinking with mixed-gender groups than with same-gender groups.

Original languageEnglish (US)
Pages (from-to)432-439
Number of pages8
JournalAddiction
Volume112
Issue number3
DOIs
StatePublished - Mar 1 2017
Externally publishedYes

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Drinking
Young Adult
Alcohol Drinking
Cell Phones
Switzerland
Internet
Regression Analysis

Keywords

  • Alcohol use
  • event-level
  • gender
  • group composition
  • multi-level models
  • young adults

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Psychiatry and Mental health

Cite this

Drinking with mixed-gender groups is associated with heavy weekend drinking among young adults. / Thrul, Johannes; Labhart, Florian; Kuntsche, Emmanuel.

In: Addiction, Vol. 112, No. 3, 01.03.2017, p. 432-439.

Research output: Contribution to journalArticle

Thrul, Johannes ; Labhart, Florian ; Kuntsche, Emmanuel. / Drinking with mixed-gender groups is associated with heavy weekend drinking among young adults. In: Addiction. 2017 ; Vol. 112, No. 3. pp. 432-439.
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abstract = "Aims: To investigate how gender composition of the drinking group affects young adults’ alcohol consumption on weekend evenings over and above the effect of drinking-group size. Design: Using the internet-based cellphone-optimized assessment technique (ICAT), participants completed online questionnaires on their cell phones every hour from 8 p.m. to midnight on Thursday, Friday and Saturday evenings during five consecutive weekends. Setting: French-speaking Switzerland. Participants: Convenience sample of 183 young adults (53.0{\%} female, mean age = 23.1) who completed a total of 4141 hourly assessments. Measurements: Alcohol consumption and number of male and female friends present assessed at 8 p.m., 9 p.m., 10 p.m., 11 p.m. and midnight. Findings: Results of three-level negative binomial regression analyses showed that women consumed significantly more drinks per hour when drinking in mixed-gender groups (Z-values ranging from 2.9 to 5.3, all P < 0.01) and significantly fewer drinks when drinking with men only (Z = −2.7, P < 0.01), compared with drinking with women only. Men reported consuming more drinks per hour in mixed-gender groups of equal gender composition (Z = 2.4, P < 0.05) or mixed-gender groups with men in the majority (Z = 2.2, P < 0.05) and fewer hourly drinks when drinking with women only (Z = −4.9, P < 0.001), compared with drinking with men only. Drinking-group size predicted the hourly number of drinks for women (Z = 6.0, P < 0.001) and men (Z = 5.5, P < 0.001). Conclusions: Drinking-group gender composition is associated with number of drinks consumed per hour, over and above the impact of the drinking-group size. Young adults report consuming more drinks per hour when drinking with mixed-gender groups than with same-gender groups.",
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