Hardie Murphy, Michelle <br/><br/>
Validity of a two-item physical activity questionnaire for assessing attainment of physical activity guidelines in youth.  [electronic resource] 

 -  BMC public health  Oct 2015 
 - 1080 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Validation Study 
<br/><br/><label>ISSN: </label>1471-2458 
<br/><br/><label>Standard No.: </label>10.1186/s12889-015-2418-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Accelerometry<br/>Adolescent<br/>Child<br/>Exercise<br/>Female<br/>Health Behavior<br/>Humans<br/>Ireland<br/>Male<br/>Reproducibility of Results<br/>Schools<br/>Self Report<br/>Sensitivity and Specificity<br/>Surveys and Questionnaires--standards<br/>Young Adult