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Early Adolescent Social Networks andSubstance UseTim Berce, Zala Dolenc, Jan Fizovič, Tina Rozman, Matic VirantDI-UNI, 17....
 Research: David B. Henry & Kimberly Kobus, University of  Chicago Sample of 1000 youth Divided in 3 groups: members, l...
 Results of other researchesEnnet and Bauman, 1993Fang, 2003
First limitation
Second methodological limitation
Members of triadic tiesTriadic ties :  Legend:  - individual
Third limitation Studies defined social positions on the basis one-way ties.                    Hypothesis•   Social posi...
Participants 1,119 sixth-grade children from 144 classes 14 public schools the sample was divided between male and fema...
Measures friendship - the peer nomination inventory Procedure: each student - printed page displaying a list  of all boy...
 this item is typically used in classroom network analysis limiting youth to three nominations has been criticized for  ...
Substance use. involvement in substance use was measured using an  abbreviated version of the Self-Report of Delinquency ...
Procedures participants completed the measures at their school  desks classroom teacher was not in the room at the time ...
Risk of substance use Increase (odds > 1.0) Decrease (odds < 1.0)
 Only gender difference in use of marijuana   (odds ratio = 0.5 f/m) Ethnic differences on alcohol and inhalant use   ...
 Participants in large city half the risk Tobacco use:    15% isolates    16% members    21% liaisons.
 Alcohol use:   46%liaisons   34% isolates No effects of social networkposition on marijuana orinhalant use.
 Social status is a factor in youth drug abuse.
Associating with others
Self medication
Group acceptance
Isolation
Ethnicity, residence
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Anglescinaskupna

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Anglescinaskupna

  1. 1. Early Adolescent Social Networks andSubstance UseTim Berce, Zala Dolenc, Jan Fizovič, Tina Rozman, Matic VirantDI-UNI, 17.4.2012
  2. 2.  Research: David B. Henry & Kimberly Kobus, University of Chicago Sample of 1000 youth Divided in 3 groups: members, liasons, isolates
  3. 3.  Results of other researchesEnnet and Bauman, 1993Fang, 2003
  4. 4. First limitation
  5. 5. Second methodological limitation
  6. 6. Members of triadic tiesTriadic ties : Legend: - individual
  7. 7. Third limitation Studies defined social positions on the basis one-way ties. Hypothesis• Social positions are related to adolescent use of tobacco, alcohol, marijuana, and inhalants.• Isolates would more likely use tobacco and inhalants.• Members would use marijuana and a
  8. 8. Participants 1,119 sixth-grade children from 144 classes 14 public schools the sample was divided between male and female students African American, White, and Hispanic children
  9. 9. Measures friendship - the peer nomination inventory Procedure: each student - printed page displaying a list of all boys and girls in his or her classroom student crossed off every name that fit the question asked by the assessor after the first year of the study, the inventory also included an item asking participants to identify their three best friends
  10. 10.  this item is typically used in classroom network analysis limiting youth to three nominations has been criticized for not accurately modeling actual network structures rather than limiting nominations to three, they used the item “Who would you like to be your best friends?”
  11. 11. Substance use. involvement in substance use was measured using an abbreviated version of the Self-Report of Delinquency adapted from the Denver Youth Study measure asked youth about the frequency of 25 delinquent acts ranging from school truancy to drug use four items tapping the frequency of substance use were analyzed in this study
  12. 12. Procedures participants completed the measures at their school desks classroom teacher was not in the room at the time of administration Students without parental consent were assigned alias IDs that allowed their data to be used in network analysis without identifying them or linking their data to other study data
  13. 13. Risk of substance use Increase (odds > 1.0) Decrease (odds < 1.0)
  14. 14.  Only gender difference in use of marijuana  (odds ratio = 0.5 f/m) Ethnic differences on alcohol and inhalant use  African American (1.88 vs. Caucasian  Hispanic (1.63 vs. Caucasian)
  15. 15.  Participants in large city half the risk Tobacco use:  15% isolates  16% members  21% liaisons.
  16. 16.  Alcohol use:  46%liaisons  34% isolates No effects of social networkposition on marijuana orinhalant use.
  17. 17.  Social status is a factor in youth drug abuse.
  18. 18. Associating with others
  19. 19. Self medication
  20. 20. Group acceptance
  21. 21. Isolation
  22. 22. Ethnicity, residence
  23. 23. Hvala za vašo pozornost!

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