The survey, called the Brief Environmental Exposure and Sensitivity Inventory, or BREESI, can also be used by researchers and patient groups, and for epidemiological studies in exposed populations.

Zoomerang zPro and Zoomerang Sample The zPro software is for designing Web-based surveys and viewing results. Zoomerang Sample sends a survey to a portion of its 2.5 million-member online panel.

The American Community Survey currently asks participants yes-or-no questions about whether they have "serious difficulty" with hearing, seeing, concentrating, walking and other functional abilities.