TY  -  
T1  - Implications of co-twin dependence for twins' social interactions, mental health and alcohol use : A follow-up study of Finnish twins from adolescence to early adulthood 
SN  -  /  
UR  - URN:ISBN:952-10-3194-8; http://hdl.handle.net/10138/20386 
T3  -  
A1  - Penninkilampi-Kerola, Varpu 
A2  -  
PB  - Helsingin yliopisto 
Y1  - 2006 
LA  - en 
AB  - Objective: The aim of the present study was to examine co-twin dependence and its impact on twins' social contacts, leisure-time activities and psycho-emotional well-being. The role of co-twin dependence was also examined as a moderator of genetic and environmental influences on alcohol use in adolescence and in early adulthood. 

Methods: The present report is based on the Finnish Twin Cohort Study (FinnTwin16), a population-based study of five consecutive birth cohorts of Finnish twins born in... 
VO  -  
IS  -  
SP  -  
OP  -  
KW  - kehitys/kasvatuspsykologia 
N1  -   
PP  -  
ER  -