Page 80 - Petelin, Ana, et al. 2019. Eds. Zdravje otrok in mladostnikov / Health of Children and Adolescents. Proceedings. Koper: University of Primorska Press
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avje otrok in mladostnikov | health of children and adolescents 78 lic health priority (EMCDDA, 2009) and can be improved when key factors
associated with PU are identified. Studies show that PU is associated with in-
dividual, socio-economic, family, school, peer, community, mental health and
lifestyle-related characteristics of adolescents (Connell, et al., 2009; Connell,
et al., 2010; Harakeh, et al., 2012; Skeer, et al., 2013; de la Haye, et al., 2014;
Brooks-Russell, et al., 2015; Tomczyk, et al., 2015; Chan, et al., 2017).

Data on PU for Slovenia are scarce. The aim of this study is to examine
the prevalence and characteristics of regular/more hazardous PU (HPU) in ad-
olescents in Slovenia.

Methods
Nationally representative sample of 15-year-old students from Slovenian arm of
the cross-national 2014 Health Behaviour in School-Aged Children study was
used. HPU was defined as reporting at least two of the following behaviours:
weekly smoking, more frequent alcohol use (weekly drinking and/or drunken-
ness at least twice in lifetime), cannabis use 3 or more days in the last year. We
assessed associations of HPU with the following groups of factors:

– individual (gender, bullied student(s) at school at least 2x/month
in the past couple of months, been bullied at least 1x/past couple of
months, physical fighting at least 3x/previous year, medically treat-
ed injuries in the last year, perceived body image, weight reduction
behaviour, self-rated health, body mass index),

– socio-economic (parents’ employment status, perceived family af-
fluence),

– peer (friends’ use of tobacco, alcohol and/or cannabis, friends’
drunkenness at least 1/week, spending time with friends before 8
pm every day and/or after 8 pm every day, perceived peers’ support),

– school (type of programme, perceived school performance, liking
school, perceived teachers’ and classmates’ support),

– family (type, ease of communication with mother and father, fami-
ly meals, perceived support and communication),

– mental health (feelings of depression, suicidal thoughts, at least 2
psychosomatic complaints more than once a week, problems and/
or distress in one or more spheres (emotions, concentration, behav-
iour), strengths and difficulties questionnaire, life satisfaction),

– unhealthy lifestyle and risk behaviour (breakfast, fruit, vegetables,
soft drink and/or energy drinks consumption, brushing teeth more
than once a day, physically activity 7 days/week for at least 60 min-
utes/day, more than 4 hours/day of sedentary behaviour in free time
during weekdays, sexual intercourse).
A two-step multivariate logistic regression modelling was used to esti-

mate odds ratio (OR). First, factors associated with HPU were identified with-
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