Table 2 Description of Study Instrument (Source: Modified from Ebrahimpour et al questionnaire)

Attitude:

5 items/ 5 point Likert Scale (strongly disagree- strongly agree)

^aStrongly Disagree = 1,

Disagree = 2, No idea = 3,

Agree = 4, Strongly Agree = 5

5–25

I think dentists care only about treatment and not prevention

Subjective norms:

4 items / 5 point Likert Scale (strongly disagree- strongly agree)

SD = 1, D = 2, NI = 3, A = 4, SA = 5

4–20

The people who are important to me (such as family) think I should brush my teeth every day

perceived behavioural control

4 items/ 5 point Likert Scale (strongly disagree- strongly agree)

SD = 1, D = 2, NI = 3, A = 4, SA = 5

4–20

I am confident that I can perform my own oral health self-care

Intention

4 items/ 5 point Likert Scale (strongly disagree- strongly agree)

SD = 1, D = 2, NI = 3, A = 4, SA = 5

4–20

I intend to brush my teeth regularly over next month