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. 2016 Mar 1;6:22531. doi: 10.1038/srep22531

Table 1. Comparisons in sample characteristics between participants with low and high family conflict.

  Adolescents (Probands and siblings)
P value
Low family conflict (n = 153) High family conflict (n = 52)
Age, year (mean ± SD) 14.4 ± 3.2 13.9 ± 2.1 0.19
Female sex, % 54.2 45.3 0.26
BMI, kg/m2 (mean ± SD) 19.5 ± 3.1 19.5 ± 3.8 0.96
Waist-to-hip ratio, (mean ± SD) 0.79 ± 0.07 0.79 ± 0.07 0.69
Chronic use of medication, % 11.0 3.8 0.17&
Chronic medical conditions, % 16.8 26.4 0.12
Season of measure,%
 Spring 13.4 25.8  
 Summer 28.3 9.1 0.001
 Fall 39.0 31.8  
 Winter 19.3 33.3  
Late/post pubertal status (Tanner stage 4 or 5), % 61.9 52.8 0.24
Insomnia diagnosis, % 25.8 32.1 0.38
Current mood disorder, % 2.6 0 0.57&
Current anxiety disorder, % 5.9 5.7 1.00&
Rising up time (mean ± SD) 8:18 ± 1:27 8:22 ± 0:59 0.81
  Adults (parents)  
  Low family conflict (n = 183) High family conflict (n = 61)  
Age, year (mean ± SD) 46.3 ± 4.3 46.3 ± 3.7 0.96
Female sex, % 53.0 54.1 0.88
BMI, kg/m2 (mean ± SD) 24.1 ± 3.3 24.4 ± 3.3 0.54
Waist-to-hip ratio (mean ± SD) 0.86 ± 0.06 0.85 ± 0.07 0.35
Chronic use of medication, % 29.0 23.0 0.36
Chronic medical conditions, % 37.2 39.3 0.76
Season of measure,%
 Spring 15.0 29.4  
 Summer 31.3 7.8 0.002
 Fall 34.7 31.4  
 Winter 19.0 31.4  
Insomnia diagnosis, % 29.0 26.2 0.68
Current mood disorders, % 3.8 13.1 0.014&
Current anxiety disorders, % 2.2 9.8 0.018&
Rising up time (mean ± SD) 7:33 ± 1:14 7:25 ± 1:03 0.47