Study Langeveld (1998): study NL 1993
- Public:
- 12-18 aged migraine patients and controls, followed 26 months, The Netherlands, 199?
- Sample:
- Respondents:
- N = 159
- Non Response:
- at T0: 4%
- Assessment:
- Questionnaire: paper
Correlate
- Authors's label
- Presence of headache prior to completion of QLH-Y
- Our Classification
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- Operationalization
- Satisfaction with Life in general
Observed Relation with Happiness
Happiness assessed at:
- T0: baseline
- T1: one week after T0
- T2: two weeks after Week 0
- T3: three weeks after Week 0
- T4: 26 weeks after Week 0