A dual-frame sampling methodology to address landline replacement in tobacco control research
Robert C McMillen1, Jonathan P Winickoff2, Karen Wilson3
1AAP Tobacco Consortium and Julius B. Richmond Center, Elk Grove Village, Illinois, USA Social Science Research Center and Department of Psychology, Mississippi State University, Starkville, Mississippi, USA.
Objectives:
We assessed the comparability of self-reported smoking prevalence estimates from a dual-frame survey with those from two large-scale, national surveys.
Methods:
The Social Climate Survey of Tobacco Control (SCS-TC) obtained self-reported current smoking status via a dual-frame methodology in the fall of 2010. One frame used random digit dialling procedures and consisted of households with a landline telephone; the other frame consisted of a population-based probability-based online panel. Current smoking prevalence was compared with national estimates from the 2010 National Health Interview Survey (NHIS) and the 2009-2010 National Health and Nutrition Examination Survey (NHANES).
Results:
18.3% (95% CI 17.0% to 19.6%) of SCS-TC respondents reported current smoking. NHIS and NHANES estimates found 19.4% (95% CI 18.8% to 20.1%) and 20.3% (95% CI 18.7% to 22.1%), respectively, reporting current smoking.
Conclusions:
Prevalence estimates for cigarette smoking obtained from the dual-frame SCS-TC are comparable to those from other national surveys. A mixed-mode approach may be a useful strategy to transition cross-sectional surveys with established trend data to newer dual-frame designs to maintain compatibility with surveys from previous years and to include the growing number of households that do not have landline telephones.
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