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Table 1 Population characteristics in study

From: Social correlates of cigarette smoking among Icelandic adolescents: A population-based cross-sectional study

Characteristic % (n/N)
Dependent variables  
   Never smokes 84.5% (6809/7203)
   Smokes occasionally 6.7% (482/7203)
   Smokes daily 8.8% (632/7203)
Demographics  
Gender  
   Boys 49.9% (3612/7232)
   Girls 50.1% (3620 (7232)
Family structure  
   Lives with both parents 70.3% (5141/7309)
   Lives under other arrangements 29.7% (2168/7309)
Mother's education  
   College or higher 87.6% (6334/7227)
   Secondary school or less 12.4% (893/7227)
Father's education  
   College or higher 90.7% (6577/7254)
   Secondary school or less 9.3% (677/7254)
Family income  
   Better off 58.2% (4227/7263)
   Worse off 41.8% (3036/7263)
Relationship with parents  
Parental support (5 items, CA = .86)  
   More support 54.0% (3888/7195)
   Less support 46.0% (3307/7195)
Time spent with parents (2 items, CA = .77)  
   More time 41.2% (2988/7244)
   Less time 58.8% (4256/7244)
Parental control (9 items, CA = .81)  
   More control 44.0% (3120/7086)
   Less control 56.0% (3966/7086)
Perceived parental reactions if one would smoke cigarettes  
   Very much/much against 91.8% (6506/7090)
   Rather against/do not care 8.2% (584/7090)
Family conflict  
Interparental serious verbal conflict  
   Never 77.1% (5726/7426)
   Yes, at some point 22.9% (1700/7426)
Parent-adolescent serious verbal conflict  
   Never 63.2% (4695/7426)
   Yes, at some point 36.8% (2731/7426)
Interparental violence  
   Never 93.6% (6949/7426)
   Yes, at some point 6.4% (477/7426)
Parent-adolescent violence  
   Never 94.8% (7041/7426)
   Yes, at some point 5.2% (385/7426)
Smoking of significant others  
Father's smoking  
   No 71.2% (4373/6141)
   Yes 28.8% (1768/6141)
Mother's smoking  
   No 72.7% (4562/6277)
   Yes 27.3% (1715/6277)
Sibling's smoking  
   No 76.7% (4679/6099)
   Yes 23.3% (1420/6099)
Peer group  
Perceived respect from peers if I would smoke cigarettes  
   Less respect 93.5% (6831/7308)
   More respect 6.5% (477/7308)
Friends cigarette smoking  
   None 41.4% (2952/7132)
   Some-most-all 58.6% (4180/7132)
Participant social characteristics  
Physical activity (3 items, CA = .68)  
   More active 42.7% (2975/6962)
   Less active 57.3% (3987/6962)
Healthy nutrition important  
   Agrees 87.9% (6119/6959)
   Disagrees 12.1% (840/6959)
Academic Achievement (4 items, .80)  
   Better half 49.8% (3490/7007)
   Poorer half 50.2% (3517/7007)
Alcohol consumption during last 30 days (Any consumption)  
   No 66.3% (4724/7128)
   Yes 33.7% (2404/7128)
Smoke free tobacco use during last 30 days (chewing tobacco or snuff)  
   No 86.9% (6240/7181)
   Yes 13.1% (941/7181)