Table 1 Qualitative definition of WHO-DAS II subscales and ICF disability levels
WHO-DAS II Subscales | Definition a |
|---|---|
UAC (6, 0.81) b | Difficulty concentrating on something for more than 10 min and learning new tasks. |
GAR (5, 0.88) | Difficulty standing for long periods, moving around the house and getting out of the house. |
SCA (4, 0.71) | Difficulty in bathing, getting dressed, feeding and being independent while being alone. |
GAP (5, 0.77) | Difficulty in social activities such as starting and maintaining a conversation, dealing with unknown people and maintaining or making new friends. |
LAC (4. 0.96) | Difficulty in performing instrumental activities quickly and effectively, particularly household duties. |
PSO (8, 0.95) | Difficulty joining community activities such as festivities or religious. Lack of self-confidence due to health problems. |
Summary Index (32, 0.93) | Average score across the six domains. |
ICF Disability levels | Definition c |
No problem (0-4%) | No problem as measured by standardised instruments (5% error allowed). |
Mild disability (5-24%) | Problem that expands up to a fourth of the time or, alternatively, the first fourth of the score range of a standardised instrument on self-reported difficulty for an activity/participation. |
Moderate disability (25-49%) | Problem that expands up to a half of the time or, alternatively, half of the score range of a standardised instrument on self-reported difficulty for an activity/participation. |
Severe disability (50-95%) | Problem that expands up to 95% of the time or, alternatively, a score on a standardised instrument on self-reported difficulty for an activity/participation up to 95% of the score range. |
Extreme disability (96-100%) | Complete problem as measured by standardised instruments; 5% error allowed. |