The Tromsoe heart study : responders and non-responders to a health questionnaire, do they differ?
Engelsk titel: The Tromsoe heart study : responders and non-responders to a health questionnaire, do they differ?
Författare:
Jacobsen, Bjarne K.
;
Thelle, Dag Steinar
Språk: Eng
Antal referenser: 18
Dokumenttyp:
Artikel
UI-nummer: 14849
Sammanfattning
In 1979-80, 21 329 subjects, 20-54 years old, were invited to a screening for coronary heart disease risk factors in Tromsoe. The subjects who responded positively tended to be married, non-smokers and report respiratory symptoms less often than non-responders.