Background: Self-report questionnaires play an important role as outcome measures in shoulder research. Having an estimate of the measurement error of these ...
A pilot study was carried out to evaluate validity and reproducibility of a food frequency questionnaire (FFQ), which was designed to be used in a prospective cohort study in a population at high risk ...
This prospective methodological study was undertaken as a two-step process. First, the OSS and the WORC index were translated and adapted into Norwegian; second the three questionnaires were evaluated ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results