Lucas Carr


Affiliation: University of Iowa
Location: Iowa City, IA, USA
Physical activity and sedentary behavior


  1. Carr L, Bartee R, Dorozynski C, Broomfield J, Smith M, Smith D. Internet-delivered behavior change program increases physical activity and improves cardiometabolic disease risk factors in sedentary adults: results of a randomized controlled trial. Prev Med. 2008;46:431-8 pubmed publisher
    ..To our knowledge, this is the first efficacy trial of the internet-delivered ALED program. Further studies are warranted due to the reach and cost-effectiveness of internet-delivered PA programs. ..
  2. Smith D, Carr L, Dorozynski C, Gomashe C. Internet-delivered lifestyle physical activity intervention: limited inflammation and antioxidant capacity efficacy in overweight adults. J Appl Physiol (1985). 2009;106:49-56 pubmed publisher
  3. Carr L, Mahar M. Accuracy of intensity and inclinometer output of three activity monitors for identification of sedentary behavior and light-intensity activity. J Obes. 2012;2012:460271 pubmed publisher
    ..Conclusions. Our findings suggest that all three monitors accurately measure most sedentary and light-intensity activities although choice of monitors should be based on study-specific needs. ..
  4. Carr L, Dunsiger S, Lewis B, Ciccolo J, HARTMAN S, Bock B, et al. Randomized controlled trial testing an internet physical activity intervention for sedentary adults. Health Psychol. 2013;32:328-36 pubmed publisher
    ..We used formative research to enhance a previously demonstrated program (Step into Motion) with the goal of developing an Internet program poised for dissemination...
  5. Smith D, Vendela M, Bartee R, Carr L. Body mass index in rural first grade schoolchildren: progressive increase in boys. J Rural Health. 2008;24:40-8 pubmed publisher
    ..Focus should be given to primary prevention programs targeting potentially vulnerable time periods when excess weight gain may be occurring. ..
  6. Carr L, Bartee R, Dorozynski C, Broomfield J, Smith M, Smith D. Eight-month follow-up of physical activity and central adiposity: results from an Internet-delivered randomized control trial intervention. J Phys Act Health. 2009;6:444-55 pubmed
    ..2 cm; P = .66). The ALED-I intervention was efficacious in the short-term but did not produce longer-term adherence to PA. Future theory-based internet-delivered interventions that produce habituation of increased PA are warranted. ..
  7. Carr L, Dunsiger S, Marcus B. Validation of Walk Score for estimating access to walkable amenities. Br J Sports Med. 2011;45:1144-8 pubmed publisher
    ..Walk Score may be a convenient and inexpensive option for researchers interested in exploring the relationship between access to walkable amenities and health behaviours such as physical activity. ..
  8. Carr L, Dunsiger S, Marcus B. Walk scoreā„¢ as a global estimate of neighborhood walkability. Am J Prev Med. 2010;39:460-3 pubmed publisher
    ..However, positive associations between Walk Score and reported crime highlight a limitation of Walk Score and warrant caution of its use. ..
  9. Carr L, Walaska K, Marcus B. Feasibility of a portable pedal exercise machine for reducing sedentary time in the workplace. Br J Sports Med. 2012;46:430-5 pubmed publisher
    ..These findings hold public health significance due to the growing number of sedentary jobs in the USA and the potential of the device for use in large-scale worksite health programmes. ..

Detail Information


  1. Carr L. Commentary on Atkin et al. (2011): non-occupational sitting and mental well-being in employed adults. Ann Behav Med. 2012;43:149-50 pubmed publisher
  2. Carr L, Leonhard C, Tucker S, Fethke N, Benzo R, Gerr F. Total Worker Health Intervention Increases Activity of Sedentary Workers. Am J Prev Med. 2016;50:9-17 pubmed publisher
    ..These findings are important for employers interested in advancing the well-being of sedentary office workers. This study is registered at NCT02071420. ..
  3. Carr L, Swift M, Ferrer A, Benzo R. Cross-sectional Examination of Long-term Access to Sit-Stand Desks in a Professional Office Setting. Am J Prev Med. 2016;50:96-100 pubmed publisher
  4. Carr L, Dunsiger S. Search query data to monitor interest in behavior change: application for public health. PLoS ONE. 2012;7:e48158 pubmed publisher
    ..These findings could be used to inform the timing, location and messaging of interventions, campaigns and policies targeting these behaviors. ..
  5. Benzo R, Gremaud A, Jerome M, Carr L. Learning to Stand: The Acceptability and Feasibility of Introducing Standing Desks into College Classrooms. Int J Environ Res Public Health. 2016;13: pubmed publisher
    ..Future research is needed to test the feasibility, cost-effectiveness and efficacy of introducing standing desks in college classrooms. Such studies would be useful for informing institutional policies regarding classroom designs. ..