Study Langeveld (1998): study NL 1992
- Public
 - Secundary school pupils, Netherlands, 199?
 - Sample
 - Respondents
 - N = 223
 - Non Response
 - 3%
 - Assessment
 - 
        Questionnaire: Paper & Pencil Interview (PAPI)                    
Students completed the first version of the QLH-Y simultaneously in class. 
Correlate
- Authors's Label
 - Symptomatic symptoms other than headache
 - Our Classification
 - 
            
 - 
                        
 - Error Estimates
 - Alpha=.84
 - Distribution
 - M/nx=.59; SD/nx=.52 (nx=number of items in the subscale)
 - Operationalization
 - Selfreport on 9 questions about feelings in the last week 
- I was troubled by belly pain
- I was troubled by dizziness
Rated on an 4-point numerical scale
0= rarely or never/not at all
1= sometimes/a little
2= often/quite a bit
3= very often or always/very much