A comparison of periodontal status in the two regional, population-based studies of SHIP and INVEST

Birte Holtfreter, Ryan T. Demmer, Olaf Bernhardt, Panos N. Papapanou, Christian Schwahn, Thomas Kocher, Moise Desvarieux

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Objectives To compare the prevalence of periodontal disease between two randomly selected population-based studies (the Oral Infections and Vascular Disease Epidemiology Study (INVEST) and the Study of Health in Pomerania (SHIP)) and address relevant methodological issues. Methods Comparison was restricted to 55- to 81-year olds. Attachment loss (AL), probing depth (PD) and tooth count were assessed in INVEST (full-mouth, six sites) and SHIP (half-mouth, four sites). Subjects were classified according to the CDC/AAP case definition. Recording protocols were standardized. Mixed linear or logistic models were used to compare INVEST with SHIP. Results Mean half-mouth AL was lower in INVEST versus SHIP (INVEST: 2.9 mm versus SHIP: 4.0 mm, p < 0.05). Findings were similar across multiple periodontal disease definitions. After equalization of recording protocols and adjustment for periodontal risk factors, mean AL and PD were 1.2 and 0.3 mm lower in INVEST versus SHIP (p < 0.001). The odds for severe periodontitis (CDC/AAP) was 0.2-fold in INVEST versus SHIP (p < 0.001). Confounding effects of age, gender, race/ethnicity, education and use of interdental care devices were highest as indicated by change-in-estimate for study. Conclusion Implementation of the proposed method for comparison of epidemiological studies revealed that periodontitis was less prevalent in INVEST compared with SHIP, even after extensive risk-factor adjustment.

Original languageEnglish (US)
Pages (from-to)1115-1124
Number of pages10
JournalJournal of clinical periodontology
Volume39
Issue number12
DOIs
StatePublished - Dec 1 2012

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Vascular Diseases
Epidemiology
Health
Infection
Population
Mouth
Periodontitis
Periodontal Diseases
Centers for Disease Control and Prevention (U.S.)
Mouth Diseases
Risk Adjustment
Epidemiologic Studies
Linear Models
Tooth
Logistic Models
Education
Equipment and Supplies

Keywords

  • attachment loss
  • cross-cultural comparison
  • periodontal disease
  • periodontal risk factors
  • probing depth

Cite this

Holtfreter, B., Demmer, R. T., Bernhardt, O., Papapanou, P. N., Schwahn, C., Kocher, T., & Desvarieux, M. (2012). A comparison of periodontal status in the two regional, population-based studies of SHIP and INVEST. Journal of clinical periodontology, 39(12), 1115-1124. https://doi.org/10.1111/jcpe.12018

A comparison of periodontal status in the two regional, population-based studies of SHIP and INVEST. / Holtfreter, Birte; Demmer, Ryan T.; Bernhardt, Olaf; Papapanou, Panos N.; Schwahn, Christian; Kocher, Thomas; Desvarieux, Moise.

In: Journal of clinical periodontology, Vol. 39, No. 12, 01.12.2012, p. 1115-1124.

Research output: Contribution to journalArticle

Holtfreter, B, Demmer, RT, Bernhardt, O, Papapanou, PN, Schwahn, C, Kocher, T & Desvarieux, M 2012, 'A comparison of periodontal status in the two regional, population-based studies of SHIP and INVEST', Journal of clinical periodontology, vol. 39, no. 12, pp. 1115-1124. https://doi.org/10.1111/jcpe.12018
Holtfreter, Birte ; Demmer, Ryan T. ; Bernhardt, Olaf ; Papapanou, Panos N. ; Schwahn, Christian ; Kocher, Thomas ; Desvarieux, Moise. / A comparison of periodontal status in the two regional, population-based studies of SHIP and INVEST. In: Journal of clinical periodontology. 2012 ; Vol. 39, No. 12. pp. 1115-1124.
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AU - Kocher, Thomas

AU - Desvarieux, Moise

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AB - Objectives To compare the prevalence of periodontal disease between two randomly selected population-based studies (the Oral Infections and Vascular Disease Epidemiology Study (INVEST) and the Study of Health in Pomerania (SHIP)) and address relevant methodological issues. Methods Comparison was restricted to 55- to 81-year olds. Attachment loss (AL), probing depth (PD) and tooth count were assessed in INVEST (full-mouth, six sites) and SHIP (half-mouth, four sites). Subjects were classified according to the CDC/AAP case definition. Recording protocols were standardized. Mixed linear or logistic models were used to compare INVEST with SHIP. Results Mean half-mouth AL was lower in INVEST versus SHIP (INVEST: 2.9 mm versus SHIP: 4.0 mm, p < 0.05). Findings were similar across multiple periodontal disease definitions. After equalization of recording protocols and adjustment for periodontal risk factors, mean AL and PD were 1.2 and 0.3 mm lower in INVEST versus SHIP (p < 0.001). The odds for severe periodontitis (CDC/AAP) was 0.2-fold in INVEST versus SHIP (p < 0.001). Confounding effects of age, gender, race/ethnicity, education and use of interdental care devices were highest as indicated by change-in-estimate for study. Conclusion Implementation of the proposed method for comparison of epidemiological studies revealed that periodontitis was less prevalent in INVEST compared with SHIP, even after extensive risk-factor adjustment.

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