Table 3

Descriptive statistics for OHIP-14 items as categorical and continuous variables
				95% CI

Variable	n	Percent	Mean	Lower bound	Upper bound

Trouble pronouncing words	365		0.296	0.223	0.369
Never		81.6
Hardly ever		10.1
Occas., F/Often, V/Often		8.2
Sense of taste worsened	356		0.399	0.315	0.483
Never		76.1
Hardly ever		11.5
Occas., F/Often, V/Often		12.4
Painful aching in mouth	359		1.100	0.990	1.211
Never		36.5
Hardly ever		29.0
Occas., F/Often, V/Often		34.5
Uncomfortable eating	361		1.355	1.230	1.479
Never		32.4
Hardly ever		21.6
Occas., F/Often, V/Often		46.0
Felt self-conscious	361		1.094	0.961	1.227
Never		48.8
Hardly ever		15.0
Occas., F/Often, V/Often		36.3
Felt tense	362		0.820	0.705	0.936
Never		57.2
Hardly ever		16.3
Occas., F/Often, V/Often		26.5
Diet unsatisfactory	359		0.457	0.365	0.549
Never		73.8
Hardly ever		12.5
Occas., F/Often, V/Often		13.7
Interrupt meals	363		0.548	0.460	0.636
Never		64.2
Hardly ever		20.7
Occas., F/Often, V/Often		15.2
Difficulty relaxing	362		0.597	0.499	0.695
Never		64.9
Hardly ever		16.9
Occas., F/Often, V/Often		18.2
Been embarrassed	365		0.800	0.686	0.914
Never		57.0
Hardly ever		18.6
Occas., F/Often, V/Often		24.4
Irritable with other people	364		0.525	0.436	0.613
Never		66.5
Hardly ever		18.7
Occas., F/Often, V/Often		14.8
Difficulty doing usual jobs	365		0.282	0.216	0.348
Never		80.3
Hardly ever		12.6
Occas., F/Often, V/Often		7.1
Life less satisfying	363		0.562	0.464	0.660
Never		68.6
Hardly ever		13.2
Occas., F/Often, V/Often		18.2
Unable to function	363		0.140	0.095	0.186
Never		89.5
Hardly ever		6.9
Occas., F/Often, V/Often		3.6

Note: "Occas., F/Often, V/Often" refers to "Occasionally, Fairly often, Very often"
Brennan and Spencer BMC Health Services Research 2006 6:96 doi:10.1186/1472-6963-6-96