In this survey the questions about life style, decisional power at work and reading style have been removed.
Random sample selected from the population register DAFA-SPAR.Random sample selected from the population register DAFA-SPAR.
Probability: Simple randomProbability: Simple random
Sannolikhetsurval: obundet slumpmässigt urvalSannolikhetsurval: obundet slumpmässigt urval
ProbabilityProbability
SannolikhetsurvalSannolikhetsurval
Self-administered questionnaireSelf-administered questionnaire
Självadministrerat frågeformulärSjälvadministrerat frågeformulär