Table 2. Older adults’ self-perception of oral health: mean, confidence interval, and GOHAI variation amplitude. Health Centers North Lisbon, 2012-2013.

Variable	Mean	90%CI	Variation amplitude
GOHAI	32.85	32.5–33.2	16 to 36
Physical dimension	10.7	10.6–10.9	4 to 12
Psychosocial dimension	8.4	8.3–8.5	4 to 9
Pain or discomfort dimension	13.7	13.5–13.8	6 to 15