Table 2 Questionnaires for children

Sleep Self Report (SSR)[74, 75]

28 items; three thematic areas; three answer options ranging from “common” to “uncommon”

Pediatric Daytime Sleepiness Scale (PDSS)[76]

32 items; six thematic areas; five Answer options ranging from “always” to “never”

Inventory for recording the Quality of life in Children and Adolescents (ILK) version for children[77]

10 items; seven thematic areas; five answer options ranging from “very good” to “very bad”

Inventory of Eating and Weight problems Inventory for Children (EWI-C/IEG-K)[78]

60 items; ten subscales; four answer options ranging from “not true at all” to “totally agree”

Somatization Inventory for Children and Adolescents (SI-KJ)[79, 80]

35 items; list of symptoms; five answer options ranging from “not at all” to “much”

State-Trait Anxiety Inventory (STAI-C)[81, 82]

20 items; two scales; three answer options ranging from “almost never” to “often”

Depression Inventory for Children and Adolescents (DI-KJ)[83]

26 items; queries gradations of symptoms; decision between three predefined answer alternative

Stress and Stress Coping Questionnaire for Children and Adolescents (SSJK)[84]

84 items; three subscales; five answer options ranging from “never” to “always”

Revised self-esteem scale by Rosenberg

10 items; total score from 10–40, the higher the score the higher the level of self-esteem; Four answer options ranging from “strongly disagree” to “strongly agree”