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A prioritized list of clinical features will then be generated through a multistage survey process.
All analyses were conducted using Stata 11 and controlled for the multistage survey design.
The Saudi Health Interview Survey was a cross-sectional national multistage survey of adult Saudi citizens.
The Saudi Health Interview Survey (SHIS) is a national multistage survey of individuals aged 15 years or older.
The NHDS covers ≈270,000 patients and 500 short-stay hospitals by using a stratified, multistage survey to create a nationally representative annual sample of discharge records.
Analyses were performed using SAS (version 9.3, Cary, NC) and SAS-callable SUDAAN (version 10.0.1, Research Triangle Park, NC) to account for the complex multistage survey design.
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Ciol MA, Hoffman JM, Dudgeon BJ, Shumway-Cook A, Yorkston KM, Chan L. Understanding the use of weights in the analysis of data from multistage surveys.
For multistage surveys, this may be a substantial limit.
Simple and multiple logistic regression models accounting for sample weights and the multistage cluster survey sampling design of the survey were used to identify associations with receipt of iron during pregnancy by the mother, or current receipt of iron by the child.
Briefly, NSDUH surveys are multistage national surveys with representative samples of noninstitutionalized population of the United States aged 12 years or older.
All statistical analysis followed the NHANES analytic guidelines, which incorporate the complex multistage probability survey design, and sampling weights of NHANES data.34 The NHANES is a weighted survey such that each participant carries different sampling weight, which represents the US population.
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