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Cardiovascular risk factors in children
Örebro University, Department of Nursing and Caring Sciences.ORCID iD: 0000-0003-1067-8627
2005 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: Karolinska university press , 2005. , p. 76
National Category
Medical and Health Sciences
Research subject
Biomedicine
Identifiers
URN: urn:nbn:se:oru:diva-4646ISBN: 91-7140-179-2 (print)OAI: oai:DiVA.org:oru-4646DiVA, id: diva2:138945
Note
Doktorsavhandling framlagd vid Karolinska institutet 2005.Available from: 2008-10-18 Created: 2008-10-18 Last updated: 2017-10-18Bibliographically approved
List of papers
1. Sampling procedure, participation rates and representativeness in the Swedish part of the European Youth Heart Study (EYHS)
Open this publication in new window or tab >>Sampling procedure, participation rates and representativeness in the Swedish part of the European Youth Heart Study (EYHS)
2003 (English)In: Public Health Nutrition, ISSN 1368-9800, Vol. 6, no 3, p. 291-299Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE:

The European Youth Heart Study (EYHS) is a cross-sectional, school-based population study on risk factors for future cardiovascular disease in children, with an overall participation rate in Sweden of about 50%. To study the representativeness of the participants in the Swedish part of EYHS, a comprehensive non-participant follow-up study was carried out.

DESIGN:

A structured multilevel analysis model was developed, addressing each level in the sampling procedure. The income, educational and occupational categories of the geographical regions of the study (level I), school catchment areas (level II) and parents (level III) were compared with official data. Participating and non-participating pupils (level IV) were compared through a questionnaire.

SETTING:

Thirty-seven state schools in two regions of Central Sweden (Orebro and southern Stockholm) were visited during the school year 1998/1999.

SUBJECTS:

Boys and girls aged 9 and 15 years were randomly sampled through a multiphase sampling procedure.

RESULTS:

Data for socio-economic status for levels I and II corresponded well to national and regional official data. At level III, non-manually working parents were slightly over-represented among parents of participating children. At level IV, non-participating subjects corresponded in most respects to participants with a few exceptions--mainly more interest in physical exercise among participants.

CONCLUSIONS:

Based on the knowledge from the non-participant study, we do not foresee problems regarding interpretation of the outcomes in the EYHS, despite the low participation rate.

Keywords
Adolescent, Cardiovascular Diseases/*etiology, Child, Cross-Sectional Studies, Europe, Female, Follow-Up Studies, Health Surveys, Humans, Male, Population Surveillance, Risk Factors, Sample Size, Sampling Studies, Schools, Socioeconomic Factors, Sweden
National Category
Medical and Health Sciences
Research subject
Biomedicine
Identifiers
urn:nbn:se:oru:diva-4206 (URN)10.1079/PHN2002425 (DOI)12740078 (PubMedID)
Available from: 2007-12-05 Created: 2007-12-05 Last updated: 2017-10-18Bibliographically approved
2. Serum lipids, glucose and insulin levels in healthy schoolchildren aged 9 and 15 years from Central Sweden: reference values in relation to biological, social and lifestyle factors
Open this publication in new window or tab >>Serum lipids, glucose and insulin levels in healthy schoolchildren aged 9 and 15 years from Central Sweden: reference values in relation to biological, social and lifestyle factors
2005 (English)In: Scandinavian Journal of Clinical and Laboratory Investigation, ISSN 0036-5513, E-ISSN 1502-7686, Vol. 65, no 1, p. 65-76Article in journal (Refereed) Published
Abstract [en]

BACKGROUND:

There is a shortage of reference values for cardiovascular risk factors such as serum lipids, glucose and insulin related to biological, social and lifestyle factors for Swedish children and adolescents. Such values are needed for planning and evaluation of public health activities, and for clinical use.

DESIGN AND METHODS:

Data for this cross-sectional, school-based study were collected during a school year (September to May). A random sample of 1137 girls and boys aged 9 and 15 years from two locations in central Sweden participated in the study, and blood samples were taken from 969 of them.

METHODS:

Fasting serum blood samples were analysed for triglycerides, total cholesterol, high-density lipoprotein cholesterol, glucose and insulin. Physical examination included measurement of height, weight and pubertal status. Questionnaires provided family background data. Total physical activity was measured by accelerometer registration.

RESULTS:

Serum levels differed significantly between age and gender groups and were correlated to pubertal status. Neither genetic nor socio-economic background nor smoking status influenced the serum levels. Insulin levels were elevated in subjects with a body mass index in the highest decentile, compared with the levels in the rest of the subjects. The insulin levels were inversely associated with total physical activity, and physical activity varied with season.

CONCLUSIONS:

Pubertal status (biological age) should to be considered in the interpretation of serum values in schoolchildren rather than chronological age. The interpretation of insulin values should include both body mass index and physical activity level, and perhaps also season. Previously described regional differences in serum lipid levels in Swedish adults seem to be present also in children.

Keywords
Adolescent, Blood Glucose/genetics/*metabolism, Body Mass Index, Child, Fasting, Female, Health, Humans, Insulin/*blood/genetics, Interpersonal Relations, Life Style, Lipids/*blood/genetics, Male, Motor Activity, Reference Values, Seasons, Sexual Maturation, Smoking, Socioeconomic Factors, Sweden
National Category
Medical and Health Sciences
Research subject
Biomedicine
Identifiers
urn:nbn:se:oru:diva-4205 (URN)10.1080/00365510410003110 (DOI)15859028 (PubMedID)
Available from: 2007-12-05 Created: 2007-12-05 Last updated: 2017-12-14Bibliographically approved
3. Trends in aerobic fitness in Swedish children and adolescents
Open this publication in new window or tab >>Trends in aerobic fitness in Swedish children and adolescents
(English)Manuscript (preprint) (Other academic)
National Category
Medical and Health Sciences
Research subject
Biomedicine
Identifiers
urn:nbn:se:oru:diva-16029 (URN)
Available from: 2011-06-20 Created: 2011-06-20 Last updated: 2017-10-17Bibliographically approved
4. Cardiorespiratory fitness relates more strongly than physical activity to risk factors for cardiovascular disease in healthy school children
Open this publication in new window or tab >>Cardiorespiratory fitness relates more strongly than physical activity to risk factors for cardiovascular disease in healthy school children
(English)Manuscript (preprint) (Other academic)
National Category
Medical and Health Sciences
Research subject
Biomedicine
Identifiers
urn:nbn:se:oru:diva-16030 (URN)
Available from: 2011-06-20 Created: 2011-06-20 Last updated: 2017-10-17Bibliographically approved

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Hurtig Wennlöf, Anita

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