Study Langeveld et al. (1999): study NL 1997
- Public
- 12-18 aged headache patients, The Netherlands, 1997
- Sample
- Respondents
- N = 64
- Non Response
- 15%
- Assessment
-
Multiple assesment methods
Questionnaire and diary
Correlate
- Authors's Label
- Headache Index
- Our Classification
-
-
- Operationalization
- Students who reported four time a day on a 5 point Likert scale
0: no headache
1: headache I am only aware of it
2: Headache I can ignore it
3: Headache I can't ignore it but can do usely activities
4: Headache It's diffelcult to conncetrate me
5: Hedache I can't do anything