Table 1 Items from the questionnaire with original coding and new categories with recoding
From: Effectiveness of an oral health intervention program for children with congenital heart defects
Original coding | Recoding | |||||||
|---|---|---|---|---|---|---|---|---|
Item | Code 1 | Code 2 | Code 3 | Code 4 | Code 5 | New category | Code 0 | Code 1 |
Place of birth of the mother and place of birth of the father | Born in Norway | Born elsewhere | Open category; which country? | Parents origin | Both Scandinavian | At least one of the parent’s origin as non-Scandinavian | ||
Mother`s education and father`s education | Primary or secondary school | Vocational school | College or university | Parents total education | High education (at least one of the parents with original code 3) | Low education (both parents original code 1 or 2) | ||
“How old was your child when you started brushing his/her teeth?” | Under 1 year | Between 1 and 2 years | More than 2 years | Start age of tooth-brushing | Before 1 year of age | After or at 1 year of age | ||
“How often is the child’s teeth brushed?” | Never | Most days | Once a day | Twice or more a day | Brushing habits | Twice a day or more | Less than twice a day | |
“Does the child use fluoride tablets?” | Yes | No | Use of fluoride tablets | Yes | No | |||
“How often does your child eat sugary snacks and drinks between meals?” | Every day | Most days | Once a week | Sometimes | Never | Intake of sugary snacks and drinks between meals | Once a week or less | More than once a week |
“Was the child bottle fed with milk or juice after 1 year of age?” | Yes | No | Bottle feeding with milk or juice > 1 year of age | No | Yes | |||
“Does the child have drink or food in bed before sleeping or during the night?” | Yes | No | Food or drink in bed before sleeping or during the night | No | Yes | |||
“Has the child had sugar water intake at the hospital as a consequence of CHD?” | Yes | No | Sugar water intake at the hospital as a consequence of CHD | No | Yes | |||
“How would you rate the dental health of your child?” | Very good | Good | Neither good nor bad | Bad | Very bad | Parental rating of child’s dental health | Good (original code 1 and 2) | Bad (original code 3, 4 and 5) |