Estimates were weighted using survey weights 3 generated by Statistics Canada in order to reflect the number of individuals in the Canadian population (aged ≥20 years) with arthritis [ 14].
Means are weighted using survey weights.
All analyses were weighted using survey weights and adjusted to account for the complex survey design.
All prevalence figures are weighted using survey weights to represent each country's population.
For estimating population means and proportions, the analyst should calculate weighted averages, using survey weights.
Regional numbers were obtained pooling micro-data from the 12 countries and using survey weights.12.12
Visits were computed using survey weights.
Percentages calculated using survey weights to allow population representative inference.
We use survey weights provided by the Gallup World Poll to ensure a nationally representative estimation.
All analyses accounted for the multistage, stratified, cluster-sampling design of NHANES III by using survey sample weights.
