• Data reference period
• Place of residence (Portugal)
• Sex
• Age group
• Limitation in performing activities due to health problem

• AGE GROUP:  The age interval in years to which a person belongs at the time of reference.
• SEX:  Biological and physiological characteristics that define men and women.
• UNEMPLOYMENT RATE:  Rate that defines the relation between the unemployed population and the labour force.
• HEALTH PROBLEM:  Health-related problem leading to the need for healthcare.
• LABOUR FORCE:  Population formed by all active persons.
• REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).

(Unemployed population/ Active population)*100