John R Sirard

Summary

Affiliation: Stanford University
Country: USA

Publications

  1. ncbi request reprint Influences of preschool policies and practices on children's physical activity
    Marsha Dowda
    Stanford Prevention Research Center, Stanford University School of Medicine, USA
    J Community Health 29:183-96. 2004
  2. ncbi request reprint Motivational factors associated with sports program participation in middle school students
    John R Sirard
    Department of Exercise Science, University of South Carolina, Columbia, South Carolina, USA
    J Adolesc Health 38:696-703. 2006
  3. pmc Prevalence of active commuting at urban and suburban elementary schools in Columbia, SC
    John R Sirard
    Stanford Prevention Research Center, Stanford University School of Medicine, Hoover Pavilion, Room N229, 211 Quarry Rd, Stanford, CA 94305 5705, USA
    Am J Public Health 95:236-7. 2005
  4. ncbi request reprint Physical activity and active commuting to elementary school
    John R Sirard
    Department of Exercise Science, University of South Carolina, Columbia, SC, USA
    Med Sci Sports Exerc 37:2062-9. 2005
  5. ncbi request reprint Sport participation and physical activity in adolescent females across a four-year period
    Karin Allor Pfeiffer
    Department of Exercise Science, University of South Carolina, Columbia, South Carolina 29208, USA
    J Adolesc Health 39:523-9. 2006
  6. ncbi request reprint Agreement between student-reported and proxy-reported physical activity questionnaires
    Marsha Dowda
    Dept of Exercise Science, University of South Carolina, Columbia, SC, USA
    Pediatr Exerc Sci 19:310-8. 2007
  7. ncbi request reprint The effects of increasing outdoor play time on physical activity in Latino preschool children
    Sofiya Alhassan
    Stanford Prevention Research Center, Department of Medicine and Division of General Pediatrics, University School of Medicine, Stanford, California 94305 5705, USA
    Int J Pediatr Obes 2:153-8. 2007
  8. pmc A preliminary test of a student-centered intervention on increasing physical activity in underserved adolescents
    Dawn K Wilson
    Department of Psychology, University of South Carolina, Columbia, SC 29208, USA
    Ann Behav Med 30:119-24. 2005
  9. ncbi request reprint Using pedometers to increase physical activity and improve health: a systematic review
    Dena M Bravata
    Center for Primary Care and Outcomes Research, Stanford University, Stanford, California, USA
    JAMA 298:2296-304. 2007
  10. ncbi request reprint Preventing childhood obesity: a solution-oriented research paradigm
    Thomas N Robinson
    Division of General Pediatrics, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305 5705, USA
    Am J Prev Med 28:194-201. 2005

Detail Information

Publications16

  1. ncbi request reprint Influences of preschool policies and practices on children's physical activity
    Marsha Dowda
    Stanford Prevention Research Center, Stanford University School of Medicine, USA
    J Community Health 29:183-96. 2004
    ..Children who attended preschools with lower quality spent more time in sedentary activity. In conclusion, children in preschools which may have more resources and better quality appear to show both more sedentary behavior and more MVPA...
  2. ncbi request reprint Motivational factors associated with sports program participation in middle school students
    John R Sirard
    Department of Exercise Science, University of South Carolina, Columbia, South Carolina, USA
    J Adolesc Health 38:696-703. 2006
    ....
  3. pmc Prevalence of active commuting at urban and suburban elementary schools in Columbia, SC
    John R Sirard
    Stanford Prevention Research Center, Stanford University School of Medicine, Hoover Pavilion, Room N229, 211 Quarry Rd, Stanford, CA 94305 5705, USA
    Am J Public Health 95:236-7. 2005
    ..These results indicate a need for school- and community-based interventions...
  4. ncbi request reprint Physical activity and active commuting to elementary school
    John R Sirard
    Department of Exercise Science, University of South Carolina, Columbia, SC, USA
    Med Sci Sports Exerc 37:2062-9. 2005
    ..This study was conducted to determine if fifth-grade students who walked or bicycled to school on a regular basis were more physically active than those that did not...
  5. ncbi request reprint Sport participation and physical activity in adolescent females across a four-year period
    Karin Allor Pfeiffer
    Department of Exercise Science, University of South Carolina, Columbia, South Carolina 29208, USA
    J Adolesc Health 39:523-9. 2006
    ..A secondary purpose was to compare activity levels of three groups of girls, those who played sports at three time points, those who dropped out, and those who did not participate in sports...
  6. ncbi request reprint Agreement between student-reported and proxy-reported physical activity questionnaires
    Marsha Dowda
    Dept of Exercise Science, University of South Carolina, Columbia, SC, USA
    Pediatr Exerc Sci 19:310-8. 2007
    ..21 for student report and--.14 to .32 for parent report, and there were no statistical differences for 8 out of 9 correlations between parent and student. Parents can provide useful data on PA correlates for students in Grades 7-12...
  7. ncbi request reprint The effects of increasing outdoor play time on physical activity in Latino preschool children
    Sofiya Alhassan
    Stanford Prevention Research Center, Department of Medicine and Division of General Pediatrics, University School of Medicine, Stanford, California 94305 5705, USA
    Int J Pediatr Obes 2:153-8. 2007
    ..A randomized controlled pilot study to test the hypothesis that increasing preschool children's outdoor free play time increases their daily physical activity levels...
  8. pmc A preliminary test of a student-centered intervention on increasing physical activity in underserved adolescents
    Dawn K Wilson
    Department of Psychology, University of South Carolina, Columbia, SC 29208, USA
    Ann Behav Med 30:119-24. 2005
    ..Previous studies have shown that choice and self-initiated behavior change are important for increasing intrinsic motivation and physical activity (PA), however, little of this research has focused on underserved adolescents...
  9. ncbi request reprint Using pedometers to increase physical activity and improve health: a systematic review
    Dena M Bravata
    Center for Primary Care and Outcomes Research, Stanford University, Stanford, California, USA
    JAMA 298:2296-304. 2007
    ..Without detailed evidence of their effectiveness, pedometers have recently become popular as a tool for motivating physical activity...
  10. ncbi request reprint Preventing childhood obesity: a solution-oriented research paradigm
    Thomas N Robinson
    Division of General Pediatrics, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305 5705, USA
    Am J Prev Med 28:194-201. 2005
    ....
  11. ncbi request reprint Perceived environmental predictors of physical activity over 6 months in adults: activity counseling trial
    James F Sallis
    Department of Psychology, San Diego State University, 3900 Fifth Avenue, San Diego, CA 92103, USA
    Health Psychol 26:701-9. 2007
    ..In the present study, the authors extend previous cross-sectional findings by using a prospective design to determine whether physical and social environmental characteristics predict physical activity over 6 months...
  12. ncbi request reprint Physical fitness and performance. Cardiorespiratory fitness in girls-change from middle to high school
    Karin A Pfeiffer
    Department of Kinesiology, Michigan State University, East Lansing, MI 48824, USA
    Med Sci Sports Exerc 39:2234-41. 2007
    ..To determine how factors are related to change in cardiorespiratory fitness (CRF) across time in middle school girls followed through high school...
  13. doi request reprint Physical activity in adolescents: from associations to interventions
    John R Sirard
    J Adolesc Health 42:327-8. 2008
  14. ncbi request reprint Estimating physical activity from incomplete accelerometer data in field studies
    Sofiya Alhassan
    Dept of Kinesiology, University of Massachusetts, Amherts, MA 01003 0258, USA
    J Phys Act Health 5:S112-25. 2008
    ..The purpose of this study was to develop a data-driven approach for analyzing incomplete accelerometer data from field-base studies...
  15. ncbi request reprint Race differences in activity, fitness, and BMI in female eighth graders categorized by sports participation status
    John R Sirard
    Division of Epidemiology and Community Health School of Public Health, University of Minnesota, Minneapolis, MN 55454 1015, USA
    Pediatr Exerc Sci 20:198-210. 2008
    ..Whereas PA intervention programs that incorporate a sports-team component could benefit all girls, African-American girls could be specifically targeted because of their lower physical activity...
  16. ncbi request reprint Longitudinal and secular trends in physical activity and sedentary behavior during adolescence
    Melissa C Nelson
    Division of Epidemiology and Community Health, University of Minnesota, 1300 S 2nd St, WBOB Suite 300, Minneapolis, MN 55454 1015, USA
    Pediatrics 118:e1627-34. 2006
    ..The objective of this research was to investigate longitudinal and secular trends in physical activity and sedentary behavior in a large, diverse cohort of adolescents...