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Table 1 Sample characteristics between cases and control group

From: Associations of FKBP5 polymorphisms and methylation and parenting style with depressive symptoms among Chinese adolescents

Variable Non-depressive symptoms group (n, %) Depressive symptoms group (n, %) P value*
Total 118 (100) 120 (100)  
Age, median (interquartile range), year 13.0 (13.0 to 14.0) 13.0 (13.0 to 15.0) 0.118
Sex
 Boy 70 (59.3) 40 (33.3) < 0.001
 Girl 48 (40.7) 80 (66.7)  
Living arrangement
 Living with both parents 103 (88.0) 86 (71.7) 0.006
 Living with a single parent 10 (8.5) 21 (17.5)  
 Living with others 4 (3.4) 13 (10.8)  
 Missing data 1   
Morning serum total cortisol, median (interquartile range), nmol/L 224.8 (155 to 318) 197.6 (147.9 to 290.8) 0.152
Parenting style of the father
 Permissive 81 (68.6) 67 (55.8) < 0.001
 Authoritative 32 (27.1) 25 (20.8)  
 Authoritarian 4 (3.4) 13 (10.8)  
 Neglectful 1 (0.8) 15 (12.5)  
Parenting style of the mother
 Permissive 100 (84.7) 78 (65.0) 0.001
 Authoritative 16 (13.6) 24 (20.0)  
 Authoritarian 2 (1.7) 12 (10.0)  
 Neglectful 0 6 (5.0)  
  1. *: The chi-square test was used for categorical variables, and the Wilcoxon rank test was used for age and morning serum total cortisol data