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KMID : 0816120000030010017
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Korean Journal of Pediatric Gastroenterolology and Nutrition
2000 Volume.3 No. 1 p.17 ~ p.22
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Relation between Helicobacter pylori Infection and Socioeconomic Status in Korean Adolescents
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Jung Min-Kyong
Kwon Young-Se
Choe Yon-Ho
Hong Yun-Chul
Choe Hyon
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Abstract
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Purpose : This study was conducted to evaluate the association between H. pylori
infection and socioeconomic status and to determine the current prevalence of H. pylori
infection in Korean adolescents.
Methods : A structured questionnaire was sent to the children’s parents to obtain
demographic information on the parents and environmental information. Of the 532
questionnaires sent out, 375 (70.5%; 170girls and 205boys) were returned. Their ages
ranged from 10 to 15 years (mean, 12.9 years). After collecting blood samples, we
measured serum IgG antibody to H. pylori using ELISA method. The association of risk
factors such as age, sex, socioeconomic class, type of house, and crowding index with
H. pylori infection were analyzed by multiple regression analysis. Socioeconomic status
was estimated from the parents’education and occupation using a modified Hollingshead
index.
Results : The prevalence rate of H. pylori infection was 16.8% (63/375). It increased
with age (10.3% at 10∼11 years, 15.9% at 12∼13 years, and 20.7% at 14∼15 years).
The H. pylori infection was inversely related to the socioeconomic class (6.3% for the
upper class, 16.0% for the middle class, and 20.0% for the lower class). Crowding
condition and type of house did not affect significantly on seroprevalence of H. pylori
infection. After logistic regression, we found that the odds ratio for age was 2.2 (95%
confidence interval 0.9∼5.4), and for socioeconomic status, 3.6 (95% confidence interval
0.5∼28.9).
Conclusion : The prevalence of H. pylori infection in Korean adolescents was 16.8%. It
related inversely to socioeconomic status but was not statistically significant.
Socioeconomic status based on parents’ education and occupation seemed to affect more
on H. pylori seroprevalence than crowding or type of house did.
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KEYWORD
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Helicobacter pylori, Prevalence, Socioeconomic status, Adolescents,
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