Table 4.

Mean subscale OHIP-14 scores and frequencies of “fairly often” or “very often” responses in relation to the number of missing teeth

OHIP-14 items		Distribution of “often” or “very often” responses (%)	Mean subscale OHIP score (±SD) 1-5	Severity of teeth loss
				6-10	>10	P¶
Functional limitation	1. Trouble pronouncing any words	5.90%	0.06 (±0.24)	0.03a (±0.18)	0.04a (±0.19	0.31b (±0.48)	0.000
	2. Sense of taste has worsened
Physical pain	3. Had painful aching in your mouth	38.20%	0.47 (±0.65)	0.36 (±0.61)	0.50 (±0.64)	0.77 (±0.83)	0.116
	4. Uncomfortable to eat any foods
Psychological discomfort	5. Been self-conscious	21.00%	0.22 (±0.45)	0.18 (±0.43)	0.24 (±0.46)	0.31 (±0.48)	0.449
	6. Felt tense
Physical disability	7. Diet has been unsatisfactory	16.40%	0.20 (±0.49)	0.13 (±0.34)	0.24 (±0.56)	0.31 (±0.63)	0.523
	8. Had to interrupt meals
Psychological disability	9. Difficult to relax	29.60%	0.36 (±0.59)	0.28 (±0.52)	0.36 (±0.58)	0.69 (±0.85)	0.176
	10. Been a bit embarrassed
Social disability	11. Been a bit irritable with other people	22.40%	0.30 (±0.61)	0.21a (±0.49)	0.29a (±0.61)	0.77b (±0.93)	0.044
	12. Had difficulty doing your usual jobs
Handicap	13. Felt that life in general was less satisfying	13.80%	0.16 (±0.44)	0.13 (±0.43)	0.14 (±0.35)	0.46 (±0.78)	0.114
	14. Been totally unable to function

Significant for bold values P<0.05. OHIP-14: 14-item Oral Health Impact Profile; SD: standard deviation. Note: Different letters (a, b) in the same row indicate significant differences between groups (P<0.05), and same letter in the single row indicates no significant differences (P>0.05). ^¶Kruskal–Wallis test