Chronotype as a risk factor for adolescent depression and anxiety: The mediating roles of sleep and social functioning

Table 1 Demographic data and scale scores of all the included patients

Variables	mean ± SD /n (%)
Gender (male)	236 (61.9)
Age	14.34 ± 1.21
Body mass index	22.65 ± 8.47
Only child	13 (3.4)
Personality
Introverted	94 (24.7)
Average	208 (54.6)
Extroverted	79 (20.7)
Years of education	8.73 ± 1.15
Depressed mood (yes)	49 (12.9)
Suicidal ideation (yes)	44 (11.5)
Family history	18 (4.7)
Childhood trauma history	32 (8.4)
MEQ-5	13.92 ± 4.07
PSQI	5.79 ± 3.36
SDSS	2.49 ± 3.21
HAMD	12.17 ± 11.49
HAMA	10.22 ± 9.22

MEQ-5: Morningness-Eveningness Questionnaire; PSQI: Pittsburgh Sleep Quality Index; SDSS: Social Disability Screening Schedule; HAMD: Hamilton Depression Rating Scale; HAMA: Hamilton Anxiety Scale.