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. 2019 Jan 5;19:1. doi: 10.1186/s12903-018-0701-5

Table 8.

Factor loadings from the Exploratory Factor Analysis, by the CPQ domainsa (N = 307)

Domain Item Factor 1 Factor 2 Factor 3
OS (KMO = 0.746) O2 Bleeding gums 0.721 −0.343
O5 Food caught in or between teeth 0.712 0.187
O4 Bad breath 0.705 0.013
O6 Food stuck to roof of mouth 0.657 0.239
O3 Mouth sores −0.129 0.927
O1 Pain in teeth, lips, jaws or mouth 0.290 0.474
Total variance explained (%) 38.4 16.6
FL (KMO = 0.666) F5 Difficult to open mouth wide 0.843 −0.070
F8 Difficult to drink with a straw 0.805 −0.177
F7 Difficult to eat foods you would like to eat 0.601 0.198
F9 Difficult to drink or eat hot or cold foods 0.528 0.021
F4 Difficult to bite or chew food like apples, corn on the cob or steak 0.400 0.267
F2 Taken longer than others to eat a meal 0.291 0.273
F1 Breathed trough mouth −0.002 0.824
F3 Trouble sleeping −0.046 0.812
F6 Difficult to say any words 0.005 0.626
Total variance explained (%) 31.0 16.1
EWB (KMO = 0.862) E4 Concerned what other people think about you 0.887 −0.004
E5 Worried that is less attractive than other people 0.884 −0.002
E9 Worried that is different than other people 0.862 −0.091
E8 Worried that is less healthy then other people 0.852 0.032
E6 Upset 0.838 −0.015
E1 Irritable or frustrated −0.077 0.784
E2 Unsure of himself −0.153 0.764
E7 Nervous or afraid 0.047 0.720
E3 Shy or embarrassed 0.345 0.557
Total variance explained (%) 45.2 20.5
SWB (KMO = 0.788) S10 Argued with other children or family 0.862 −0.173 0.059
S7 Avoiding smiling or laughing when around other children 0.772 0.029 −0.180
S12 Left out by other children 0.754 −0.075 0.103
S9 Avoiding to spend time with other children 0.693 0.188 −0.009
S13 Asked questions by other children 0.603 0.040 0.147
S6 Avoiding to talk to other children 0.484 0.029 0.417
S2 Hard time paying attention in school 0.000 0.863 −0.016
S3 Difficulty doing homework −0.184 0.863 0.123
S8 Difficulty playing a musical instrument such as a recorder, flute, clarinet, trumpet 0.050 0.767 −0.266
S1 Missed school 0.375 0.667 −0.172
S4 Avoiding to speak or read out loud in class −0.168 0.590 0.489
S11 Teased or called names by other children 0.006 −0.252 0.874
S5 Avoiding activities like sports, clubs, drama, music, school trips 0.140 0.180 0.643
Total variance explained (%) 40.2 14.2 8.5

aExtraction Method: Principal Component Analysis on eigenvalue > 1. Rotation Method: Promax with Kaiser Normalization. The underlined terms indicate the main loadings for corresponding factors. KMO: Kaiser-Meyer-Olkin measure