Uso de paneles de consumidores en estudios observacionales de salud pública

摘要: Consumer panels are a market research method useful for gathering information about low-frequency or difficult-access customers. The objective of this field-note is to explain our experience using in cross-sectional public health study on the use electronic cigarettes. After taking into account other non-probabilistic sampling techniques obtain huge sample electronic-cigarette users (n=600), end we decided consumer (recruiters) because relative short duration field work and high representativeness sample.