Table 3.
Results of confirmatory factor analysis: standardized factor loadings in the single-factor (37 items) and four-factor (34 items) solution of the OHIP-LT.
| Factor Name and Item | Standardized Factor Loadings | ||||
|---|---|---|---|---|---|
| Single-Factor Solution | Four-Factor Solution | ||||
| Factor 1 | Factor 2 | Factor 3 | Factor 4 | ||
| Factor 1. Psychosocial Impact | |||||
| V34 Upset | 0.78 | 0.83 | |||
| V22 Uncomfortable about appearance | 0.76 | 0.90 | |||
| V20 Self-conscious | 0.77 | 0.88 | |||
| V21 Miserable | 0.83 | 0.91 | |||
| V36 Depressed | 0.80 | 0.82 | |||
| V38 Been embarrassed | 0.77 | 0.80 | |||
| V23 Tense | 0.76 | 0.81 | |||
| V35 Difficult to relax | 0.84 | 0.81 | |||
| V19 Worried | 0.69 | 0.73 | |||
| V31 Avoid smiling | 0.71 | 0.73 | |||
| V46 Unable to enjoy people’s company | 0.68 | 0.67 | |||
| V47 Life unsatisfying | 0.82 | 0.50 | 0.48 | ||
| V4 Appearance affected | 0.63 | 0.62 | |||
| V45 Financial loss * | 0.50 | ||||
| Factor 2. Functional Limitations | |||||
| V49 Unable to work | 0.47 | 0.67 | |||
| V48 Unable to function # | 0.49 | ||||
| V43 Difficulty doing job | 0.59 | 0.75 | |||
| V40 Less tolerant of others # | 0.54 | ||||
| V39 Avoiding going out | 0.55 | 0.70 | |||
| V37 Concentration affected | 0.68 | 0.27 | 0.57 | ||
| V42 Irritable with others | 0.60 | 0.80 | |||
| V32 Interrupt meals | 0.57 | 0.43 | 0.44 | ||
| V3 Noticed tooth doesn’t look right # | x | ||||
| V29 Diet unsatisfactory * | 0.40 | ||||
| V28 Avoid eating * | 0.48 | ||||
| V33 Sleep interrupted * | 0.44 | ||||
| V41 Trouble getting on with others * | 0.63 | ||||
| V11 Sore jaw # * | |||||
| V7 Food catching # * | |||||
| Factor 3. Orofacial Pain | |||||
| V13 Sensitive teeth # | 0.61 | ||||
| V14 Toothache # | 0.65 | ||||
| V17 Sore spots | 0.38 | 0.69 | |||
| V12 Headaches | 0.47 | 0.55 | |||
| V15 Painful gums | 0.48 | 0.71 | |||
| V10 Painful aching # | 0.57 | ||||
| V44 Health worsened | 0.61 | 0.29 | 0.56 | ||
| V16 Uncomfortable to eat | 0.56 | 0.65 | |||
| V1 Difficulty chewing * | 0.44 | ||||
| V5 Breath stale # * | |||||
| V8 Digestion worse * | 0.51 | ||||
| V26 Less flavour in food * | 0.51 | ||||
| Factor 4. Speech Limitations | |||||
| V2 Trouble pronouncing words # | 0.51 | ||||
| V24 Speech unclear | 0.60 | 0.98 | |||
| V25 Others misunderstood | 0.54 | 0.17 | 0.70 | ||
| V27 Unable to brush teeth # | 0.46 | ||||
Notes: Estimation method: Maximum Likelihood; # Items with loading <0.50 in the EFA single-factor solution; * Items with all loadings <0.50 in the EFA four-factor solution; OHIP-LT: Oral Health Impact Profile, Lithuanian version.