Table 5 Factor Analysis: Rotated Component matrix (n = 236)

Domain 1: Oral health

 Q1: Had pain in your teeth/toothache

0.366

 Q2: Been breathing through your mouth or snoring

0.345

 Q3: Had discoloured teeth or spots on your teeth

0.524

 Q4: Had crooked teeth or spaces between your teeth

0.470

 Q5: Had sores/sore spots in or around your mouth

0.548

 Q6: Had bad breath

0.692

 Q7: Had bleeding gums

0.432

 Q8: Had food sticking in or between your teeth

0.558

 Q9: Had pain or sensitivity in teeth with hot/cold things

0.395

 Q10: Had dry mouth or lips

0.301

Domain 2: Functional Well-Being

 Q11: Had trouble biting/chewing apple, carrot/firm meat

0.618

 Q15: Had difficulty eating foods you would like to eat

0.669

 Q21: Had trouble sleeping

0.638

 Q26: Had difficulty saying certain words

0.640

 Q30: People had difficulty understanding what you were saying

0.564

 Q32: Had difficulty keeping your teeth clean

0.434

Domain 3: Socio-emotional Well-Being

 Q12: Been unhappy or sad

0.546

 Q16: Felt worried or anxious

0.579

 Q20: Avoided smiling or laughing with other children

0.638

 Q27: Felt that you look different

0.639

 Q33: Been worried about what other people think

0.696

 Q18: Felt shy or withdrawn

0.661

 Q25: Been teased, bullied or called names by other children

0.625

 Q23: Got angry

0.609

Domain 4: School/Environment

 Q13: Missed school

0.545

 Q19: Had difficulty paying attention in school

0.480

 Q24: Did not want to speak/read out loud in class

0.537

 Q36: Did not want to go to school

0.602

Domain 5: Self-image

 Q14: Been reassured or put in trust through

0.445

 Q31: Felt that you were good looking

0.602

 Q39: Felt having healthy teeth

0.680

 Q43: Felt good about himself

0.603

 Q40: When I am older, I believe that I’ll have good teeth

0.713

 Q41: When I am older, I believe that I will be healthy

0.683