Question

Variable

Level

Recoded level

Category

Sociodemographic factors

Are you a girl or a boy?

Sex

0 = Girl

1 = Boy

0

1

What grade are you in?

Age

0 = School year 7 (~13 yrs)

1 = School year 9 (~15 yrs)

2 = High school Grade 2 (~17 yrs)

0

1

2

Where

…were you born?

Country of birth

1 = Sweden

2 = The rest of the Nordic

3 = Europe

4 = Outside Europe

0 = Swedish background with Swedish born parents

1 = Swedish background with foreign-born parent

2 = Non-Swedish background

0

1

2

…was your father born?

…was your mother born?

What is

…your father’s occupation?

…your mother’s occupation?

Occupational status

1 = Working

2 = On disability

3 = Unemployed

4 = Student

5 = Maternity/house husband/housewife

6 = Something else

7 = No knowledge

0 = Employed

1 = Non-employed

2 = No knowledge

1 = 0

2 - 6 = 1

7 = 2

Self-rated health

How do you generally feel?

Health status

1 = Very good

2 = Good

3 = Neither good nor bad

4 = Bad

5 = Very bad

0 = Good

1 = Poor general health

1 - 3 = 0

4 - 5 = 1

Do you have any of the following disabilities: hearing loss, vision loss, physical disability, reading or writing difficulties, dyslexia, ADHD, Tourette syndrome, Aspbergersyndrome, other?

Sum score of disabilities*

0 = no

1 = yes

0

1

How do you perceive your oral health?

Oral health status

1 = Very good

2 = Good

3 = Neither good or bad

4 = Poor

5 = Very poor

0 = Good oral health

1 = Poor oral health

1 - 3 = 0

4 - 5 = 1

Perceived life-events

Have you been involved in an accident and/or in need of urgent medical or dental care?

Injury or accident experience

1 = No

2 = Yes, once

3 = Yes, several times

0 = No injury or accident

1 = Had an accident and/or has been injured

0 = 0

1 - 2 = 1

Have you experienced violence or assault?

Experienced violence/assault

1 = No

2 = Yes, once

3 = Yes, several times

0 = No violence or assault

1 = Been exposed

1 = 0

1 - 2 = 1

Have you been bullied at school?

Bullied

1 = No

2 = Yes, once

3 = Yes, several times

0 = No

1 = Yes

1 = 0

1 - 2 = 1

Have you been abused and/or beaten by an adult not in school as elsewhere

Abused/beaten by an adult

1 = No

2 = Yes, once

3 = Yes, several times

0 = No

1 = Yes

1 = 0

1?2 = 1

Alcohol habits (sum score of 3 included variables)

Risky alcoholic behavior

1 = never been intoxicated

2 = often intoxicated

3 = intoxicated several times per month

0 = No

1 = Risky alcohol behavior

1 = 0

2 - 3 = 1