Table 3 TPB Questionnaire

Attitude:

If my teeth decay, I will get severe toothache.

Strongly Disagree = 1,

Disagree = 2, No idea = 3,

Agree = 4, Strongly Agree = 5

If my teeth decay, I will look ugly.

Brushing my teeth makes my teeth whiter.

At the late night and when I want to sleep, I am tired and do not brush/ floss my teeth.

I don’t have a toothbrush with me at work or university and I don’t brush.

Subjective norms:

My family believe that I should brush/ floss my teeth.

Strongly Disagree = 1,

Disagree = 2, No idea = 3,

Agree = 4, Strongly Agree = 5

My friends believe that I should brush/ floss my teeth.

Social pressure makes me to engage in oral health behavior.

When I am with my colleagues, I will brush/ floss even out of compulsion

perceived behavioural control

It is difficult to me to engage in the oral health behavior such as brushing/flossing my teeth every day.

Strongly Disagree = 1,

Disagree = 2, No idea = 3,

Agree = 4, Strongly Agree = 5

If I intended to, I would not have problems successfully engaging in the oral health behavior such as brushing/flossing my teeth every day.

I have complete control over engaging the oral health behavior such as brushing/flossing my teeth every day.

It is completely depending on me whether I engage in the oral health behavior such as brushing/flossing my teeth every day.

Intention

I intend to brush/ floss my teeth twice a day.

Strongly Disagree = 1,

Disagree = 2, No idea = 3,

Agree = 4, Strongly Agree = 5

I intend brush/ floss twice a day.

I will try to rinse my mouth at least with water after consuming sweets.

I decide to see a dentist every 6 months to have my teeth examined.