Effects of phone versus mail survey methods on the measurement of health-related quality of life and emotional and behavioural problems in adolescents

• Autori principali: Ravens-Sieberer Ulrike (Autore), Krügel André (Autore), Wetzel Ralf M (Autore), Erhart Michael (Autore)
• Natura: Libro
• Pubblicazione: BMC, 2009-12-01T00:00:00Z.
• Soggetti: article
• Accesso online: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Telephone interviews have become established as an alternative to traditional mail surveys for collecting epidemiological data in public health research. However, the use of telephone and mail surveys raises the question of to what e...