Dataset Information

Secular trends in blood pressure among Japanese schoolchildren: a population-based annual survey from 1994 to 2010.

ABSTRACT:

Background

Monitoring secular trends in blood pressure (BP) among children is important in predicting subsequent hypertension and cardiovascular disease. We investigated secular trends in BP using data from population-based annual screenings of Japanese schoolchildren.

Methods

The participants were 10 894 children (all fourth graders between 1994 and 2010 and all seventh graders between 1997 and 2010) living in the town of Ina in Saitama Prefecture, Japan. Body height, weight, and BP were measured, after which children were classified as non-overweight, overweight, or obese. Trends in variables relative to calendar year were analyzed using regression models.

Results

Systolic BP was significantly associated with calendar year among fourth- and seventh-grade boys (-0.350 and -0.434 mm Hg/year, respectively) and fourth- and seventh-grade girls (-0.513 and -0.473 mm Hg/year, respectively) (all P < 0.001), respectively, over time. Systolic BP and calendar year were significantly negatively correlated regardless of physique or sex among all fourth graders, but not among obese seventh-grade girls. In addition, diastolic BP and calendar year did not significantly correlate among seventh-grade overweight or obese boys or obese seventh-grade girls.

Conclusions

BP decreased among fourth-grade schoolchildren in Ina during the past 17 years, regardless of sex or physique. However, BP and calendar year did not significantly correlate among obese seventh graders.

SUBMITTER: Shirasawa T

PROVIDER: S-EPMC3798640 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Publications

Secular trends in blood pressure among Japanese schoolchildren: a population-based annual survey from 1994 to 2010.

Shirasawa Takako T Ochiai Hirotaka H Nishimura Rimei R Morimoto Aya A Shimada Naoki N Ohtsu Tadahiro T Hoshino Hiromi H Tajima Naoko N Kokaze Akatsuki A

Journal of epidemiology 20120804 5

<h4>Background</h4>Monitoring secular trends in blood pressure (BP) among children is important in predicting subsequent hypertension and cardiovascular disease. We investigated secular trends in BP using data from population-based annual screenings of Japanese schoolchildren.<h4>Methods</h4>The participants were 10 894 children (all fourth graders between 1994 and 2010 and all seventh graders between 1997 and 2010) living in the town of Ina in Saitama Prefecture, Japan. Body height, weight, and ...[more]

PMID: 22863986

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Project description:BackgroundLinkages between snack patterns, diet, and obesity in adolescents likely depend on the consumption of main meals, how often snacks are prepared away from home, and whether energy-dense, nutrient-poor snack foods and sugary drinks are frequently consumed. Nutrition-based interventions need to be informed by an understanding of how secular changes in the contribution of snacks to dietary intake may be related to changes in meal frequency as well as how these trends differ by sociodemographic characteristics.ObjectivesTo examine secular trends from 1999 to 2010 in meal and snack patterns among adolescents.DesignA repeated cross-sectional design was used.Participants/settingParticipants from Minneapolis/St Paul, MN, secondary schools completed classroom-administered surveys and food frequency questionnaires in 1999 (n=2,598) and 2010 (n=2,540).Main outcome measuresWeekly meal frequencies; number of snacks consumed on school and vacation/weekend days; frequent consumption of snacks prepared away from home (≥3 times/week); and daily servings of energy-dense, nutrient-poor food/drinks that are commonly consumed at snack occasions.Statistical analyses performedTrends from 1999 to 2010 were examined using inverse probability weighting to control for differences in sociodemographic characteristics in the two samples.ResultsMean frequencies of breakfast and lunch increased modestly in the overall population (both P values <0.001), and there were decreases in the number of snacks consumed on schools days (P<0.001) and vacation/weekend days (P=0.003). Although there was no change in the proportion of adolescents who reported frequent consumption of snacks prepared away from home, there was a secular decrease in energy-dense, nutrient-poor food/drink consumption (P<0.001). Sociodemographic differences in the identified trends were evident.ConclusionsThe observed pattern of sociodemographic characteristic differences in meal and snack trends among adolescents suggests the need for targeted efforts to ensure public health messages reach low-income and ethnic/racial minority population subgroups most vulnerable to poor nutrition and the development of obesity.

Dataset Information

Secular trends in blood pressure among Japanese schoolchildren: a population-based annual survey from 1994 to 2010.

Background

Methods

Results

Conclusions

Publications

Secular trends in blood pressure among Japanese schoolchildren: a population-based annual survey from 1994 to 2010.

Similar Datasets

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