Abstract：
BACKGROUND:School playgrounds during break times provide potential opportunities for children to be active during the school day. However, there is limited research on how active children really are during these breaks. METHODS:The CAST (Children's Activity Scanning Tool) instrument was developed, validated, and used to assess the percentages of children engaged in moderate to vigorous physical activity (MVPA) and vigorous physical activity (VPA-a subset of MVPA) in 18 primary schools (children ages 5-12) in rural Australia. Related environmental factors were also measured. RESULTS:For a school of median size (200 students), 51.4% of boys and 41.6% of girls were engaged in MVPA while 14.7% of boys and 9.4% of girls were engaged in VPA. Levels of engagement in MVPA and VPA were significantly higher during lunch periods than during recess. MVPA and VPA engagement in smaller schools was significantly higher than in larger schools. CONCLUSIONS:With growing concern about children's physical activity (PA), school playgrounds offer an opportunity to increase children's MVPA engagement especially among girls. Consideration may be given to the lengthening of recess periods in order to increase PA levels. More research is needed to investigate factors affecting PA levels in larger schools.
journal_name
Prev Medjournal_title
Preventive medicineauthors
Zask A,van Beurden E,Barnett L,Brooks LO,Dietrich UCdoi
10.1006/pmed.2001.0905subject
Has Abstractpub_date
2001-11-01 00:00:00pages
402-8issue
5eissn
0091-7435issn
1096-0260pii
S0091-7435(01)90905-3journal_volume
33pub_type
杂志文章abstract：BACKGROUND:Previous studies have reported high interest in genetic testing for risk for colon or breast-ovarian cancer. These studies, however, have used samples which might be atypical with regard to level of interest evident among the general U.S. population. METHODS:As part of an annual statewide telephone health s...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1006/pmed.1996.0086
更新日期：1996-09-01 00:00:00
abstract：OBJECTIVES:In the absence of raised intraocular pressure (IOP), haemodynamic parameters have been implicated in the development of normal tension glaucoma (NTG). The purpose of this study is to compare 24-hour IOP and haemodynamic parameters in NTG patients and non-glaucoma patients. METHODS:This is a cross sectional ...
journal_title：Preventive medicine
pub_type： 杂志文章
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journal_title：Preventive medicine
pub_type： 杂志文章
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journal_title：Preventive medicine
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1016/j.ypmed.2003.08.005
更新日期：2003-12-01 00:00:00
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journal_title：Preventive medicine
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pub_type： 杂志文章,评审
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pub_type： 杂志文章
doi：10.1016/j.ypmed.2019.105824
更新日期：2019-12-01 00:00:00
abstract：:This study investigated the relationships between health care utilization, knowledge, attitudes, sociodemographic characteristics, and adequacy of cervical cancer screening among a random sample of women from inner-city neighborhoods with high rates of cervical cancer mortality. Of 416 women interviewed, 30.3% reporte...
journal_title：Preventive medicine
pub_type： 杂志文章
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更新日期：1990-07-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.ypmed.2004.02.023
更新日期：2004-09-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.ypmed.2009.06.007
更新日期：2009-08-01 00:00:00
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journal_title：Preventive medicine
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1006/pmed.2002.1095
更新日期：2002-11-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/j.ypmed.2009.09.004
更新日期：2009-10-01 00:00:00
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journal_title：Preventive medicine
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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journal_title：Preventive medicine
pub_type： 杂志文章
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更新日期：2003-05-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1006/pmed.1997.0163
更新日期：1997-07-01 00:00:00
abstract：:The purpose of this study was to assess accuracy in predicting adolescent smoking status using attitude, knowledge, behavioral, and sociodemographic variables. A cohort of 4,641 schoolchildren was tested in 1975 (grades 4-6), in 1978 (grades 6-8), and, finally, in 1983 (grades 10-12). From 1978 to 1983, eight variable...
journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1016/0091-7435(87)90042-9
更新日期：1987-05-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
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更新日期：1997-09-01 00:00:00
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pub_type： 临床试验,杂志文章,随机对照试验
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更新日期：2016-07-01 00:00:00
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doi：10.1016/j.ypmed.2004.07.013
更新日期：2005-05-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章
doi：10.1006/pmed.1994.1105
更新日期：1994-09-01 00:00:00
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journal_title：Preventive medicine
pub_type： 杂志文章,评审
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更新日期：1984-01-01 00:00:00
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更新日期：2018-03-01 00:00:00
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pub_type： 杂志文章
doi：10.1016/j.ypmed.2003.09.001
更新日期：2003-12-01 00:00:00
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pub_type： 杂志文章,随机对照试验
doi：10.1016/j.ypmed.2015.02.002
更新日期：2015-05-01 00:00:00
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journal_title：Preventive medicine
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doi：10.1006/pmed.2002.1100
更新日期：2002-11-01 00:00:00
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doi：10.1016/j.ypmed.2014.07.023
更新日期：2014-10-01 00:00:00
abstract：:"Product sampling" is an effective marketing strategy which lowers consumer buying resistance by providing a free sample of the product for the consumer to test. We used this strategy to demonstrate the palatability of the prudent diet (30-35% of calories from total fats, less than 10% from saturated fats, less than 3...
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doi：10.1016/0091-7435(83)90211-6
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