Abstract
In low- and middle-income countries (LMICs), historically, household surveys have been carried out by face-to-face interviews to collect survey data related to risk factors for noncommunicable diseases. The proliferation of mobile phone ownership and the access it provides in these countries offers a new opportunity to remotely conduct surveys with increased efficiency and reduced cost. However, the near-ubiquitous ownership of phones, high population mobility, and low cost require a re-examination of statistical recommendations for mobile phone surveys (MPS), especially when surveys are automated. As with landline surveys, random digit dialing remains the most appropriate approach to develop an ideal survey-sampling frame. Once the survey is complete, poststratification weights are generally applied to reduce estimate bias and to adjust for selectivity due to mobile ownership. Since weights increase design effects and reduce sampling efficiency, we introduce the concept of automated active strata monitoring to improve representativeness of the sample distribution to that of the source population. Although some statistical challenges remain, MPS represent a promising emerging means for population-level data collection in LMICs.
Highlights
This report is published as part of the National Health Interview Survey (NHIS) Early Release Program
Two additional reports are published as part of the NHIS Early Release Program
Percentages of adults and children living in households with only wireless telephone service or no telephone service: United States, 2003–2010
Summary
This report is published as part of the NHIS Early Release Program. In May and December of each year, the Centers for Disease Control and Prevention’s National Center for Health Statistics (NCHS) releases selected estimates of telephone coverage for the civilian noninstitutionalized U.S population based on data from NHIS, along with comparable estimates from NHIS for the previous 3 years. The estimates are based on in-person interviews that NHIS conducts continuously throughout the year to collect information on health status, health-related behaviors, and health care utilization. Two additional reports are published as part of the NHIS Early Release Program. Release of Selected Estimates Based on Data From the National Health Interview Survey is published quarterly and provides estimates for 15 selected measures of health. Health Insurance Coverage: Early Release of Estimates From the National Health Interview Survey is published quarterly and provides additional estimates regarding health insurance coverage
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