A feasibility study of cell phone and landline phone interviews for monitoring of risk and protection factors for chronic diseases in Brazil
The study objective was to evaluate the feasibility of interviews by cell phone as a complement to interviews by landline to estimate risk and protection factors for chronic non-communicable diseases. Adult cell phone users were evaluated by random digit dialing. Questions asked were: age, sex, educ...
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| Format: | Livre |
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Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz,
2011-02-01T00:00:00Z.
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