Abstract：
BACKGROUND:Physical activity guidelines recommend children should engage in 60 min of moderate-to-vigorous physical activity (MVPA) a day. School recess presents an opportunity for children to be physically active during the school day. Limited research has investigated children's activity levels during recess and its contribution to physical activity recommendations. Moreover, no target for physical activity during recess has been set. METHODS:One hundred sixteen boys and 112 girls (aged 5-10 years) from 23 schools had their physical activity during recess quantified using a uniaxial accelerometer during three recess breaks on one school day. The percentage of time spent engaged in moderate, high, and very high intensity activity was calculated using existing thresholds. RESULTS:Boys engaged in more moderate, high, and very high intensity activity than girls. On average, boys and girls spent 32.9% and 23% of recess engaged in physical activity, respectively. CONCLUSIONS:Boys engaged in higher intensity activities than girls. The results suggest that recess can contribute 28 min for boys and 21.5 min for girls toward the accumulation of recommended daily physical activity. However, the physical activity intensities that children engaged in were low during recess. On average, children in this study did not achieve 50% of recess time in physical activity. Interventions for increasing the physical activity of children in the playground are warranted.
journal_name
Prev Medjournal_title
Preventive medicineauthors
Ridgers ND,Stratton G,Fairclough SJdoi
10.1016/j.ypmed.2004.10.023subject
Has Abstractpub_date
2005-07-01 00:00:00pages
102-7issue
1eissn
0091-7435issn
1096-0260pii
S0091-7435(04)00546-8journal_volume
41pub_type
杂志文章,多中心研究abstract：OBJECTIVE:The aims of this study were to describe the prevalence, trends, and correlates of physical activity among a national sample of pregnant women. METHOD:Using data collected from the 1999-2006 National Health and Nutrition Examination Survey, physical activity and sedentary behaviors were collected during inter...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2009.12.015
更新日期：2010-03-01 00:00:00
abstract：BACKGROUND:Data on smoking cessation and relapse for 6 yers of the Multiple Risk Factor Intervention Trial were evaluated in univariate and multivariate analyses to determine the relationship between variables measured at the beginning of the trial and smoking cessation and relapse for special intervention and usual ca...
journal_title：Preventive medicine
pub_type： 临床试验,杂志文章
doi：10.1016/0091-7435(91)90057-b
更新日期：1991-09-01 00:00:00
abstract：PURPOSE:Racial and ethnic disparities in influenza vaccination among the elderly are well documented, but their impact on minority mortality is unknown. METHODS:We model racial and ethnic parity in influenza vaccination on reduction in annual minority deaths among the elderly using age-, sex-, race-, and ethnicity-spe...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2007.03.007
更新日期：2007-07-01 00:00:00
abstract：OBJECTIVES:The aim of this study was to explore the contextual effect of homeopathic consultation by investigating the effect of homeopathic care compared to self-treatment with self prescribed homeopathic medicine in the prevention of childhood upper respiratory tract infections (URTI). METHODS:Randomised parallel gr...
journal_title：Preventive medicine
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/j.ypmed.2007.02.004
更新日期：2007-10-01 00:00:00
abstract：BACKGROUND:Individuals in the carpentry trade, due to lifestyle habits and occupational exposures, may be at above-average risk for colorectal cancer (CRC). Based on the literature which suggests that increasing perceived risk motivates behavior change, we report on the effectiveness of four risk-communication interven...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2004.09.019
更新日期：2005-05-01 00:00:00
abstract：BACKGROUND:To describe the prevalence of mammography use, and to estimate its association with sociodemographics. METHODS:A sample of 6207 women aged 60 and older from the first interview of Health, Well-Being and Aging in Latin America and the Caribbean Study (SABE) in seven cities (Buenos Aires, Bridgetown, Havana, ...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2006.02.005
更新日期：2006-05-01 00:00:00
abstract：BACKGROUND:Cigarette smoking has been associated with increased risk for prostate cancer in 2/13 case-control studies and 4/12 cohort studies conducted on this topic. The relationship between tobacco smoking and prostate cancer was further studied in a hospital-based case-control study in northern Italy. METHODS:Two h...
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pub_type： 杂志文章,评审
doi：10.1006/pmed.1993.1033
更新日期：1993-05-01 00:00:00
abstract：:The purpose of this research is to investigate peer-to-peer sexual violence victimization and perpetration among male and female adolescents in a large, racially and economically diverse, community-based sample. Using cross-sectional data over a four-year period (2009-2013) from a regional sample of middle school and ...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2018.08.032
更新日期：2018-11-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2015.04.001
更新日期：2015-07-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章,多中心研究
doi：10.1016/j.ypmed.2011.09.002
更新日期：2011-10-01 00:00:00
abstract：BACKGROUND:Measurement of expired-air carbon monoxide (EACO) is commonly used to ascertain non-smoking status, although it can also reflect exposures not related to smoking. Our aim was to assess 16-year mortality according to EACO measured at baseline, in a general population. METHODS:Our analysis was based on the Th...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2015.09.001
更新日期：2015-12-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2011.05.004
更新日期：2011-07-01 00:00:00
abstract：BACKGROUND:The introduction of bans on smoking in restaurants is frequently marred by claims that they will lead to a loss of business. METHODS:A representative sample of 3,019 South Australians age 15+ years were asked questions about dining-out frequency and perceived effects of the ban on their dining-out enjoyment...
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pub_type： 杂志文章
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更新日期：1999-07-01 00:00:00
abstract：OBJECTIVE:To establish the efficacy of an internet based prevention program to reduce alcohol and cannabis use in adolescents. METHOD:A cluster randomised controlled trial was conducted with 764 13-year olds from ten Australian secondary schools in 2007-2008. Half the schools were randomly allocated to the computerise...
journal_title：Preventive medicine
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.ypmed.2009.04.009
更新日期：2009-06-01 00:00:00
abstract：:Although digital reports of disease are currently used by public health officials for disease surveillance and decision making, little is known about environmental factors and compositional characteristics that may influence reporting patterns. The objective of this study is to quantify the association between climate...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2017.05.009
更新日期：2017-08-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.ypmed.2016.11.012
更新日期：2017-08-01 00:00:00
abstract：:We conducted a health impact assessment (HIA) of cycling network expansions in seven European cities. We modeled the association between cycling network length and cycling mode share and estimated health impacts of the expansion of cycling networks. First, we performed a non-linear least square regression to assess th...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2017.12.011
更新日期：2018-04-01 00:00:00
abstract：:Few studies from the United Kingdom have fully investigated inequalities between members of different sexual minority groups and heterosexuals over range of health outcomes. Using data from over 40,000 individuals, this study explores the health inequalities of sexual minority UK adults. We include respondents who ide...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2017.06.010
更新日期：2017-08-01 00:00:00
abstract：:In a cross-sectional study carried out in El Salvador between February 2016 and July 2017, self-sampling and human papillomavirus (HPV) testing was found to be highly acceptable among 2019 women who had not attended a cervical cancer screening in at least 3 years. Within this population, HPV positivity rates differed ...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2018.06.017
更新日期：2018-09-01 00:00:00
abstract：:The United States continues to face a public health emergency of opioid-related harm, the effects of which could be dramatically reduced through increased access to the opioid antagonist naloxone. Unfortunately, naloxone is too often unavailable when and where it is most needed, partly due to its continued status as a...
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pub_type： 杂志文章
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更新日期：2020-01-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2003.12.032
更新日期：2004-07-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.ypmed.2013.01.009
更新日期：2013-03-01 00:00:00
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pub_type： 杂志文章
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更新日期：2013-02-01 00:00:00
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pub_type： 杂志文章
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更新日期：2019-08-01 00:00:00
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pub_type： 杂志文章
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更新日期：1991-11-01 00:00:00
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pub_type： 杂志文章
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更新日期：1986-01-01 00:00:00
abstract：BACKGROUND:Knowledge about the prevalence, co-occurrence, and correlates of lifestyle related behaviors of overweight women is needed to inform the design of health promotion interventions for weight loss. METHODS:Cross-sectional study involves 394 overweight and obese women, aged 18 to 55 (mean age=41.26), 39% from m...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2007.10.005
更新日期：2008-03-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2004.10.005
更新日期：2005-06-01 00:00:00
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pub_type： 杂志文章
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更新日期：2005-08-01 00:00:00
abstract：:In October 2019, a federal judge ruled that a Philadelphia nonprofit (Safehouse) group's plan to open the first site in the U.S. where people can use illegal opioids under medical supervision does not violate federal Controlled Substances Act, delivering a major setback to Justice Department lawyers who launched a leg...
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更新日期：2020-06-01 00:00:00
