Subscales:
(1) functional limitation: 9 items
(2) physical pain: 9 items
(3) psychological discomfort: 5 items
(4) physical disability: 9 items
(5) psychological disability: 6 items
(6) social disability: 5 items
(7) handicap: 6 items
|
Frequency
|
Points
|
|
very often
|
4
|
|
fairly often
|
3
|
|
sometimes
|
2
|
|
hardly ever
|
1
|
|
never
|
0
|
points for each item =
= (weight) * (points for frequency)
functional limitation subscore =
= SUM(points for all 9 functional limitation items)
physical pain subscore =
= SUM(points for all 9 physical pain items)
psychological discomfort subscore =
= SUM(points for all 5 psychological discomfort items)
physical disability subscore =
= SUM(points for all 9 physical disability items)
psychological disability subscore =
= SUM(points for all 6 psychological disability items)
social disability subscore =
= SUM(points for all 5 social disability items)
handicap subscore =
= SUM(points for all 6 handicap items)
Interpretation:
• minimum score: 0
• maximum score: depends on presence or absence of dentures; 49 * 4 * (weight)
• The higher the score, the greater the disability experienced by the patient.
Performance:
• The internal reliability high, with Cronbach's alpha 0.70 – 0.83 for 6 subscales.
• The test-retest reliability showed stability, with the intraclass correlation coefficient 0.42 – 0.77.
• The construct was felt to be valid based on observed need for dental visit.
