Validated screening tool

CDC Healthy Days Core Module

Four core questions about general health and the number of unhealthy days in the past month.

2 min·4 questions·Private on this device

What this tool explores

Four core questions about general health and the number of unhealthy days in the past month.

Dimensions and result structure

One overall response pattern

Results show a score and clearly labeled range when the source defines one.

Timeframe

During the past 30 days

Source and appropriate use

U.S. Centers for Disease Control and Prevention

CDC Health-Related Quality of Life Measures (HRQOL-4).

Public domain; developed with federal funds. Retain source attribution.

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This tool cannot diagnose a condition or replace professional assessment.

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