搜索结果: 1-13 共查到“医学 surveys”相关记录13条 . 查询时间(0.062 秒)
Adolescent Sexual Behavior：Estimates and Trends From Four Nationally Representative Surveys
Adolescent Sexual Behavior Four Nationally Representative Surveys
2009/9/15
Context: Accurate information about trends over time in adolescent sexual behavior is essential to understand changes in adolescent pregnancy and sexually transmitted diseases and to monitor the progr...
Novice recreational scuba divers and asthma: Two small surveys reported
DIVING fitness to dive asthma survey questionnaire smoker contraindication lung
2009/5/26
In two separate pilot studies, consecutive candidate open water divers were surveyed to estimate the incidence of asthma. In the first of these, the diving medicals of 32 novices were examined. All ha...
THE IMPACT OF THE AIDS PANDEMIC ON HEALTH SERVICES IN AFRICA: EVIDENCE FROM DEMOGRAPHIC AND HEALTH SURVEYS
THE IMPACT OF THE AIDS PANDEMIC HEALTH SERVICES AFRICA EVIDENCE FROM DEMOGRAPHIC HEALTH SURVEYS
2014/3/14
We document the impact of the AIDS crisis on non-AIDS related health services in fourteen sub-Saharan African countries. Using multiple waves of Demographic and Health Surveys (DHS) for each country,w...
Diving accident surveys.(Letter to editor)
DIVING ACCIDENTS survey Incidents questionnaire
2009/5/13
Diving accident surveys.
IMPROVED METHODS FOR VISUAL AND PHOTOGRAPHIC BENTHIC SURVEYS
visual photographic survey methods benthic biology
2009/5/6
As funding for field work becomes more competitive, it is increasingly important to produce cost effective quantitative results using calibrated methods. Much effort is devoted to visual and photogra...
EELGRASS SURVEYS IN EAGLE HARBOR, WA, FOLLOWING CAPPING OF ADJACENT CONTAMINATED SEDIMENTS
Zostera Marina L eel grass survey methods
2009/5/6
Between October 1993 and August 1995, the density of eelgrass (Zostera Marina L.) in three beds within or near Eagle Harbor, WA, was recorded as counts of stalks within 0.1 m2quadrats. The surveys we...
DIVER SURVEYS OF BAY SCALLOP (ARGOPECTEN IRADIANS) IN FLORIDA ESTUARIES AND EMBAYMENTS: ABUNDANCE AND DISTRIBUTION
Animal scallop method
2009/5/6
Florida Marine Research Institute personnel have been monitoring the abundance and distribution of Florida bay scallop populations since 1993. This research was stimulated by significant declines in ...
The impact of the AIDS pandemic on health services in Africa: Evidence from Demographic Health Surveys
Africa Evidence from Demographic Health Surveys
2014/3/25
We thank Kimberly Bryan for expert research assistance, Jane Fortson for sharing her code and
her knowledge of the DHS data, and Helen Epstein for helpful discussions. We acknowledge
funding from ...
Surveys on the Prevalence of Pediatric Bronchial Asthma in Japan: A Comparison between the 1982, 1992, and 2002 Surveys Conducted in the Same Region Using the Same Methodology
allergic diseases bronchial asthma epidemiology prevalence of asthma wheezing
2010/11/16
BA prevalence in the third survey increased 2.1 and 1.4 times respectively compared to the first survey and second survey, indicating an upward trend in all regions and age groups surveyed.
Analysis of Perimenstrual Asthma Based on Questionnaire Surveys in Japan
aspirin intolerant asthma perimenstrual asthma questionnaire survey
2010/11/18
Attention should be paid to the lack of knowledge regarding PMA in patients with asthma in actual clinical settings. The low rate of PMA reported in this study may be due to the study method using sel...
Improvement of Asthma Management in Actual Practice Consistent with Prevalence of Anti-inflammatory Agents—Based on Questionnaire Surveys in Niigata Prefecture, Japan from 1998 to 2002—
asthma death bronchial asthma inhaled corticosteroid leukotriene receptor antagonist questionnaire
2010/11/22
The total number of patient responders was approximately 2500—3300 per year. The rate of peak flow meter (PEFM) use was under approximately only 40% and plateaued from 2000 to 2002. The percentage of ...
Development of bioelectrical impedance analysis prediction equations for body composition with the use of a multicomponent model for use in epidemiologic surveys
total body water fat-free mass multicomponent model
2016/12/29
Previous studies to develop and validate bioelectrical impedance analysis (BIA) equations to predict body composition were limited by small sample sizes, sex specificity, and reliance on reference met...
Energy and fat intakes of children and adolescents in the United States: data from the National Health and Nutrition Examination Surveys
National Health and Nutrition Examination Survey NHANES energy intake dietary fats beverages
2016/6/8
Background: Dietary factors related to body weight and chronic
disease risk are of interest because of recent increases in the
prevalence of overweight.
Objective: Secular trends in energy and fat ...