Table 1.

Criteria for Selecting Measurement Protocols for the PhenX Toolkit ^a

Standard measurement protocols exist

Clearly defined

Well established (e.g., published in a peer‐reviewed journal)

Broadly applicable and generally accepted

Low burden to participants and investigators

Broadly validated and with demonstrated utility

Reproducible

Specific

Reliable

Additional criteria

Cross‐cutting relevance for population groups as well as diseases and conditions

Use in a major reference study (e.g., National Health and Nutrition Examination Survey)

Open‐source software and nonproprietary instruments preferred

Brevity

Expectation of acceptance by the research community

^aNote: The PhenX Steering Committee defined criteria to guide the selection of the measurement protocols to be included in the PhenX Toolkit.