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On oral health in young individuals with foreign and Swedish backgrounds
Jönköping University, School of Health Science, HHJ, Dep. of Natural Science and Biomedicine. Jönköping University, School of Health Science, HHJ. Oral health.
2011 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In Sweden, children and adolescents with two foreign-born parents constitute 17% of all children in the Swedish population.

AIMS: The aims of this thesiswere to collect knowledge of the prevalence of gingivitis, caries and caries associated variables, in the 3-, 5-, 10- and 15-year age groups with two foreign born parents compared with their counterparts with Swedish-born parents in a ten-year perspective (Study I). To investigate the prevalence of caries and caries-associated variables in 15-year-olds in relation to foreign backgrounds and to examine differences in the prevalence of caries in adolescents with foreign backgrounds according to their length of residence in Sweden (StudyII).

MATERIAL AND METHODS: In 1993 and 2003, cross-sectional studies with random samples of individuals in the age groups of 3, 5, 10 and 15 years were performed in Jönköping, Sweden. The oral health status of all individuals was examined clinically and radiographically. The children or their parents also answered a questionnaire about their attitudes to, and knowledge of, teeth and oral health care habits. The final study sample comprised 739 children and adolescents, 154 with two foreign-born parents (F cohort) and 585 with two Swedish-born parents (S cohort) (Study I). In Study II, all 15-year-olds(n=143) at one school in the city of Jönköping were asked to participate in the study. The final sample comprised 117 individuals, 51 with foreign-born parents and 66 with Swedish-born parents. All the individuals were interviewed using a structured questionnaire with visualisation e.g. food packages, sweets and snacks. Information about DFS was collected from case records at the Public Dental Service.

RESULTS: In both 1993 and 2003, more 3- and 5-yearolds in the S cohort were caries free compared with the F cohort. In 1993, dfs was higher among 3- and 5-year-olds in the F cohort (p<0.01) compared with the S cohort. In 2003, dfs/DFS was statistically significantly higher in all age groups among children and adolescents in the F cohort compared with the S cohort. In 2003, the odds ratio of being exposed to dental caries among 10- and 15-year-olds in the F cohort, adjusted for gender and age, was more than six times higher (OR=6.3, 95% CI:2.51-15.61; p<0.001) compared with the S cohort (Study I). Fifteen-year-olds born in Sweden with foreign-born parents, or who had arrived before one year of age, had a caries prevalence similar to that of adolescents with Swedish-born parents, whereas children who had immigrated to Sweden after seven years of age had a caries prevalence that was two to three times higher (p <0.06) (Study II). Both in 1993 and 2003, the mean of the percentage of tooth sites with plaque and gingivitis was numerically higher in all age groups in individuals with foreign backgrounds compared with Swedish background, except between the 15-year-olds (Study I).

CONCLUSIONS: The decrease in caries prevalence, in a ten-year perspective, was less among children and adolescents with foreign-born parents compared with children and adolescents with Swedish-born parents. In 2003, there was statistically significantly more caries in all age groups among children and adolescents with foreign-born parents compared with children and adolescents with Swedish-born parents. Children who immigrated to Sweden at age seven or later had a two to three times higher caries prevalence compared with their Swedish counterparts. The odds ratio for being exposed to dental caries was almost six times higher for 10- and 15-year olds with foreign-born parents compared with their Swedish counterparts. The intake of carbohydrate-rich food was higher among 15-year olds with foreign backgrounds compared to those with Swedish background. There is an obvious need to improve the promotion of oral health care programmes among children and adolescents with foreign-born parents.

Place, publisher, year, edition, pages
Jönköping: School of Health Sciences , 2011. , 75 p.
Series
Hälsohögskolans avhandlingsserie, ISSN 1654-3602 ; 22
Keyword [en]
dental caries, diet, epidemiology, foreign background, gingivitis, immigrant
National Category
Dentistry
Identifiers
URN: urn:nbn:se:hj:diva-19287ISBN: 9789185835218 (print)OAI: oai:DiVA.org:hj-19287DiVA: diva2:547946
Available from: 2012-08-29 Created: 2012-08-29 Last updated: 2012-08-29Bibliographically approved
List of papers
1. Oral Health in young individuals with foreign and Swedish backgrounds - a ten-year perspective
Open this publication in new window or tab >>Oral Health in young individuals with foreign and Swedish backgrounds - a ten-year perspective
2011 (English)In: European Archives of Paediatric Dentistry, ISSN 1818-6300, Vol. 12, no 3, 151-158 p.Article in journal (Refereed) Published
Abstract [en]

AIM:

To investigate oral health status and coherent determinants in children with foreign backgrounds compared with children with a Swedish background, during a ten year period.

DESIGN AND METHODS:

In 1993 and 2003, cross-sectional studies with random samples of individuals in the age groups 3, 5, 10 and 15 years were performed in Jönköping, Sweden. All the individuals were personally invited to a clinical and radiographic examination of their oral health status. They were also asked about their attitudes to and knowledge of teeth and oral health care habits. The final study sample comprised 739 children and adolescents, 154 with a foreign background (F cohort) and 585 with a Swedish background (S cohort).

RESULTS:

In both 1993 and 2003, more 3- and 5 year olds in the S cohort were caries-free compared with the F cohort. In 1993, dfs was higher among 3- and 5 year olds in the F cohort (p<0.01) compared with the S cohort. In 2003, dfs/DFS was statistically significantly higher in all age groups among children and adolescents in the F cohort compared with the S cohort. When it came to proximal tooth surfaces, the percentages of individuals who were caries-free, with initial carious lesions, with manifest carious lesions and with restorations among 10-year-olds in the F cohort were 55%, 23%, 4% and 18% in 1993. The corresponding figures for the S cohort were 69%, 20%, 6% and 5% respectively. In 2003, the values for the F cohort were 54%, 29%, 4% and 13% compared with 82%, 12%, 1% and 5% in the S cohort. In 2003, the odds of being exposed to dental caries among 10- and 15-yearolds in the F cohort, adjusted for gender and age, were more than six times higher (OR=6.3, 95% CI:2.51-15.61; p<0.001) compared with the S cohort.

CONCLUSIONS:

There has been a decline in caries prevalence between 1993 and 2003 in all age groups apart from 3-year-olds. However, the improvement in dfs/DFS was greater in the S cohort compared with the F cohort in all age groups. The difference between the F and S cohorts in terms of dfs/ DFS was larger in 2003 compared with 10 years earlier. In 2003, the odds ratio for being exposed to dental caries was almost six times higher for 10- and 15-year-olds with two foreign-born parents compared with their Swedish counterparts.

National Category
Other Medical Sciences
Identifiers
urn:nbn:se:hj:diva-15900 (URN)21640060 (PubMedID)
Available from: 2011-08-25 Created: 2011-08-23 Last updated: 2013-11-07Bibliographically approved
2. Dental caries and caries associated factors in Swedish 15-year-olds in relation to immigrant background.
Open this publication in new window or tab >>Dental caries and caries associated factors in Swedish 15-year-olds in relation to immigrant background.
2005 (English)In: Swedish Dental Journal, ISSN 0347-9994, Vol. 29, no 2, 71-79 p.Article in journal (Refereed) Published
Abstract [en]

The aim of the present study was to evaluate the prevalence of caries and caries associated variables in 15-year-olds in relation to foreign background and to examine differences in the prevalence of caries in immigrant adolescents according to their length of residence in Sweden. All 15-year-old adolescents (n=143) at one public school in the city of Jönköping, Sweden were asked to participate in the study. The adolescents were divided into two groups according to their background: immigrants and non-immigrants. Data on caries prevalence were extracted from the dental records of the examination made when the participants were 15 years old. The proportions of immigrants and non-immigrants free from carious lesions were equal. Immigrant adolescents, however, had on average more enamel carious lesions. Adolescents born in Sweden of immigrant parents or who had arrived before 1 year of age had a caries prevalence similar to those of non-immigrant adolescents, whereas children who had immigrated to Sweden after 7 years of age had a caries prevalence that was 2-3 times higher. As the caries carious lesions in immigrant adolescents is mainly restricted to the enamel, and possibly reversible, early introduction of preventive programmes seems essential.

Keyword
Adolescent, Child, Dental Caries/*epidemiology/ethnology/etiology, Emigration and Immigration, Food Habits, Humans, Oral Hygiene, Prevalence, Questionnaires, Risk Factors, Sweden/epidemiology/ethnology
National Category
Dentistry
Identifiers
urn:nbn:se:hj:diva-4382 (URN)16035350 (PubMedID)
Available from: 2007-11-13 Created: 2007-11-13 Last updated: 2013-11-07Bibliographically approved

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