2013
|
| 51. | Madathil, Kapil Chalil; Greenstein, Joel S; Juang, Kevin A; Neyens, David M; Gramopadhye, Anand K An Investigation of the Informational Needs of Ovarian Cancer Patients and Their Supporters Journal Article In: Proceedings of the Human Factors and Ergonomics Society Annual Meeting, vol. 57, pp. 748-752, 2013, ISSN: 2169-5067, (doi: 10.1177/1541931213571163). @article{Madathil2013,
title = {An Investigation of the Informational Needs of Ovarian Cancer Patients and Their Supporters},
author = {Kapil Chalil Madathil and Joel S Greenstein and Kevin A Juang and David M Neyens and Anand K Gramopadhye},
url = {https://doi.org/10.1177/1541931213571163},
doi = {10.1177/1541931213571163},
issn = {2169-5067},
year = {2013},
date = {2013-01-01},
journal = {Proceedings of the Human Factors and Ergonomics Society Annual Meeting},
volume = {57},
pages = {748-752},
publisher = {SAGE Publications Inc},
abstract = {Numerous Internet-based peer support groups exist to support the informational needs of patients with chronic illnesses. By analyzing the discussions available in the forum of a major ovarian cancer support group, the Ovarian Cancer National Alliance (OCNA), this study investigates the type of information that newly diagnosed ovarian cancer patients and their supporters seek. Using content analysis, 206 publicly available discussion posts exchanged on OCNA were analyzed by two researchers. Each discussion point was classified into one of the three broad themes that emerged: ovarian cancer-specific, treatment-related, or coping information. The discussion points were further analyzed using a multinomial logit model to predict the type of the desired information based on the role of the person looking for the information, the disease phase in which the information was sought, the emotional status of the information seeker, and the stage of the cancer. The results suggest that there is a wide variety of information seekers with divergent goals. Treatment-related material was the most sought-after information by patients, while coping information was most sought by supporters. When forum posts were negative in tone, the information seekers were more likely to be looking for ovarian cancer-specific information than either treatment-related information or coping information. This suggests that the presentation of ovarian cancer-specific information should be particularly sensitive to the negative emotional state of the people seeking this information.},
note = {doi: 10.1177/1541931213571163},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Numerous Internet-based peer support groups exist to support the informational needs of patients with chronic illnesses. By analyzing the discussions available in the forum of a major ovarian cancer support group, the Ovarian Cancer National Alliance (OCNA), this study investigates the type of information that newly diagnosed ovarian cancer patients and their supporters seek. Using content analysis, 206 publicly available discussion posts exchanged on OCNA were analyzed by two researchers. Each discussion point was classified into one of the three broad themes that emerged: ovarian cancer-specific, treatment-related, or coping information. The discussion points were further analyzed using a multinomial logit model to predict the type of the desired information based on the role of the person looking for the information, the disease phase in which the information was sought, the emotional status of the information seeker, and the stage of the cancer. The results suggest that there is a wide variety of information seekers with divergent goals. Treatment-related material was the most sought-after information by patients, while coping information was most sought by supporters. When forum posts were negative in tone, the information seekers were more likely to be looking for ovarian cancer-specific information than either treatment-related information or coping information. This suggests that the presentation of ovarian cancer-specific information should be particularly sensitive to the negative emotional state of the people seeking this information. |
| 52. | Mayorga, Maria E; Reifsnider, Odette S; Neyens, David M; Gebregziabher, Mulugeta G; Hunt, Kelly J Simulated Estimates of Pre-Pregnancy and Gestational Diabetes Mellitus in the US: 1980 to 2008 Journal Article In: PLOS ONE, vol. 8, pp. e73437-, 2013. @article{Mayorga2013,
title = {Simulated Estimates of Pre-Pregnancy and Gestational Diabetes Mellitus in the US: 1980 to 2008},
author = {Maria E Mayorga and Odette S Reifsnider and David M Neyens and Mulugeta G Gebregziabher and Kelly J Hunt},
url = {https://doi.org/10.1371/journal.pone.0073437},
year = {2013},
date = {2013-01-01},
journal = {PLOS ONE},
volume = {8},
pages = {e73437-},
publisher = {Public Library of Science},
abstract = {Purpose To simulate national estimates of prepregnancy and gestational diabetes mellitus (GDM) in non-Hispanic white (NHW) and non-Hispanic black (NHB) women. Methods Prepregnancy diabetes and GDM were estimated as a function of age, race/ethnicity, and body mass index (BMI) using South Carolina live singleton births from 2004–2008. Diabetes risk was applied to a simulated population. Age, natality and BMI were assigned to women according to race- and age-specific US Census, Natality and National Health and Nutrition Examination Surveys (NHANES) data, respectively. Results From 1980–2008, estimated GDM prevalence increased from 4.11% to 6.80% [2.68% (95% CI 2.58%–2.78%)] and from 3.96% to 6.43% [2.47% (95% CI 2.39%–2.55%)] in NHW and NHB women, respectively. In NHW women prepregnancy diabetes prevalence increased 0.90% (95% CI 0.85%–0.95%) from 0.95% in 1980 to 1.85% in 2008. In NHB women from 1980 through 2008 estimated prepregnancy diabetes prevalence increased 1.51% (95% CI 1.44%–1.57%), from 1.66% to 3.16%. Conclusions Racial disparities in diabetes prevalence during pregnancy appear to stem from a higher prevalence of prepregnancy diabetes, but not GDM, in NHB than NHW.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Purpose To simulate national estimates of prepregnancy and gestational diabetes mellitus (GDM) in non-Hispanic white (NHW) and non-Hispanic black (NHB) women. Methods Prepregnancy diabetes and GDM were estimated as a function of age, race/ethnicity, and body mass index (BMI) using South Carolina live singleton births from 2004–2008. Diabetes risk was applied to a simulated population. Age, natality and BMI were assigned to women according to race- and age-specific US Census, Natality and National Health and Nutrition Examination Surveys (NHANES) data, respectively. Results From 1980–2008, estimated GDM prevalence increased from 4.11% to 6.80% [2.68% (95% CI 2.58%–2.78%)] and from 3.96% to 6.43% [2.47% (95% CI 2.39%–2.55%)] in NHW and NHB women, respectively. In NHW women prepregnancy diabetes prevalence increased 0.90% (95% CI 0.85%–0.95%) from 0.95% in 1980 to 1.85% in 2008. In NHB women from 1980 through 2008 estimated prepregnancy diabetes prevalence increased 1.51% (95% CI 1.44%–1.57%), from 1.66% to 3.16%. Conclusions Racial disparities in diabetes prevalence during pregnancy appear to stem from a higher prevalence of prepregnancy diabetes, but not GDM, in NHB than NHW. |
2012
|
| 53. | Neyens, David M; Boyle, Linda Ng Crash risk factors related to individuals sustaining and drivers following traumatic brain injuries Journal Article In: Accident Analysis & Prevention, vol. 49, pp. 266-273, 2012, ISSN: 0001-4575. @article{Neyens2012,
title = {Crash risk factors related to individuals sustaining and drivers following traumatic brain injuries},
author = {David M Neyens and Linda Ng Boyle},
doi = {10.1016/J.AAP.2012.01.008},
issn = {0001-4575},
year = {2012},
date = {2012-01-01},
journal = {Accident Analysis & Prevention},
volume = {49},
pages = {266-273},
publisher = {Pergamon},
abstract = {Objective: Some crashes result in drivers experiencing (or sustaining) a traumatic brain injury (TBI) while other crashes involve drivers that have already experienced a TBI. The objective of this study is to examine the factors that influence these two TBI crash groups. Methods: Data from the Iowa Department of Public Health's Brain Injury Registry and Department of Transportation's crash records were linked together and used in logistic regression models to predict the likelihood of a driver sustaining a TBI in a crash and those who drive after a TBI. Results: Between 2001 and 2006, there were 2382 crashes in which an individual sustained a TBI. As expected, a higher likelihood of sustaining a TBI was observed for motorcycle drivers who did not wear a helmet and in crashes that resulted in total or disabling vehicle damage. Focusing specifically on the post-TBI drivers (and not occupants), 1583 were involved in crashes. These post-TBI drivers were less likely to wear seatbelts or have passengers in the vehicle at the time of the crash, and were more likely to crash at night. Post-TBI drivers were also involved in significantly more multiple crashes (about 14%) when compared to drivers who have not experienced a TBI (about 10%) during the study period. When controlling for gender, date of injury, and severity of TBI (using Glasgow Coma Scale), individuals that sustained a TBI when they were younger were more likely to be involved in multiple crashes. Conclusions: Different factors influence the crash likelihood for those that sustain a TBI in a crash and those that crash following a TBI. In general, post-TBI drivers have a higher occurrence of multiple crashes and this should be further explored to guide driver rehabilitation, evaluation, and training. © 2012 Elsevier Ltd.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Objective: Some crashes result in drivers experiencing (or sustaining) a traumatic brain injury (TBI) while other crashes involve drivers that have already experienced a TBI. The objective of this study is to examine the factors that influence these two TBI crash groups. Methods: Data from the Iowa Department of Public Health's Brain Injury Registry and Department of Transportation's crash records were linked together and used in logistic regression models to predict the likelihood of a driver sustaining a TBI in a crash and those who drive after a TBI. Results: Between 2001 and 2006, there were 2382 crashes in which an individual sustained a TBI. As expected, a higher likelihood of sustaining a TBI was observed for motorcycle drivers who did not wear a helmet and in crashes that resulted in total or disabling vehicle damage. Focusing specifically on the post-TBI drivers (and not occupants), 1583 were involved in crashes. These post-TBI drivers were less likely to wear seatbelts or have passengers in the vehicle at the time of the crash, and were more likely to crash at night. Post-TBI drivers were also involved in significantly more multiple crashes (about 14%) when compared to drivers who have not experienced a TBI (about 10%) during the study period. When controlling for gender, date of injury, and severity of TBI (using Glasgow Coma Scale), individuals that sustained a TBI when they were younger were more likely to be involved in multiple crashes. Conclusions: Different factors influence the crash likelihood for those that sustain a TBI in a crash and those that crash following a TBI. In general, post-TBI drivers have a higher occurrence of multiple crashes and this should be further explored to guide driver rehabilitation, evaluation, and training. © 2012 Elsevier Ltd. |
2010
|
| 54. | Peng, Yiyun; Boyle, Linda Ng; Neyens, David M; Short, Jeffrey Management's attitudes toward safety in commercial vehicle operations Journal Article In: Proceedings of the Human Factors and Ergonomics Society Annual Meeting, vol. 54, pp. 1890-1894, 2010, ISSN: 2169-5067, (doi: 10.1177/154193121005402113). @article{Peng2010,
title = {Management's attitudes toward safety in commercial vehicle operations},
author = {Yiyun Peng and Linda Ng Boyle and David M Neyens and Jeffrey Short},
url = {https://doi.org/10.1177/154193121005402113},
doi = {10.1177/154193121005402113},
issn = {2169-5067},
year = {2010},
date = {2010-01-01},
journal = {Proceedings of the Human Factors and Ergonomics Society Annual Meeting},
volume = {54},
pages = {1890-1894},
publisher = {SAGE Publications Inc},
abstract = {Management's attitudes toward safety in commercial vehicle operations play an important role in how safety is perceived within the organization and can have a great influence on commercial motor vehicle (CMV) related crashes. A pilot study examining factors and motivations of safety managers' attitudes toward safety was conducted using data collected from a survey of 30 safety managers that oversees the safety of CMV operations. The data was examined to find underlying factors associated with the respondent's perceptions of workplace safety. Factor analytic results reveal four constructs that relates to the managers' attitudes toward safety: financial, internal awareness, demand for safety, and overall safety culture in the industry. This study provides a first step in understanding the values that management may place on safety for commercial vehicle operations.},
note = {doi: 10.1177/154193121005402113},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Management's attitudes toward safety in commercial vehicle operations play an important role in how safety is perceived within the organization and can have a great influence on commercial motor vehicle (CMV) related crashes. A pilot study examining factors and motivations of safety managers' attitudes toward safety was conducted using data collected from a survey of 30 safety managers that oversees the safety of CMV operations. The data was examined to find underlying factors associated with the respondent's perceptions of workplace safety. Factor analytic results reveal four constructs that relates to the managers' attitudes toward safety: financial, internal awareness, demand for safety, and overall safety culture in the industry. This study provides a first step in understanding the values that management may place on safety for commercial vehicle operations. |
2008
|
| 55. | Neyens, David M; Boyle, Linda Ng The influence of driver distraction on the severity of injuries sustained by teenage drivers and their passengers Journal Article In: Accident Analysis & Prevention, vol. 40, pp. 254-259, 2008, ISSN: 0001-4575. @article{Neyens2008,
title = {The influence of driver distraction on the severity of injuries sustained by teenage drivers and their passengers},
author = {David M Neyens and Linda Ng Boyle},
doi = {10.1016/J.AAP.2007.06.005},
issn = {0001-4575},
year = {2008},
date = {2008-01-01},
journal = {Accident Analysis & Prevention},
volume = {40},
pages = {254-259},
publisher = {Pergamon},
abstract = {Studies show that teenage drivers are at a higher risk for crashes. Opportunities to engage in technology and non-technology based distractions appear to be a particular concern among this age group. An ordered logit model was developed to predict the likelihood of a severe injury for these drivers and their passenger using a national crash database (the 2003, U.S. DOT-General Estimate System [GES]). As one would expect, speeding substantially increases the likelihood of severe injuries for teenage drivers and their passengers. The results of the analysis also reveal that teenage drivers have an increased likelihood of more severe injuries if distracted by a cell phone or by passengers than if the source of distraction was related to in-vehicle devices or if the driver was inattentive. Additionally, passengers of teenage drivers are more likely to sustain severe injuries when their driver is distracted by devices or passengers than with a non-distracted or inattentive driver. This supports the previous literature on teenage drivers and extends our understanding of injuries for this age group related to distraction-related crashes. © 2007 Elsevier Ltd. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Studies show that teenage drivers are at a higher risk for crashes. Opportunities to engage in technology and non-technology based distractions appear to be a particular concern among this age group. An ordered logit model was developed to predict the likelihood of a severe injury for these drivers and their passenger using a national crash database (the 2003, U.S. DOT-General Estimate System [GES]). As one would expect, speeding substantially increases the likelihood of severe injuries for teenage drivers and their passengers. The results of the analysis also reveal that teenage drivers have an increased likelihood of more severe injuries if distracted by a cell phone or by passengers than if the source of distraction was related to in-vehicle devices or if the driver was inattentive. Additionally, passengers of teenage drivers are more likely to sustain severe injuries when their driver is distracted by devices or passengers than with a non-distracted or inattentive driver. This supports the previous literature on teenage drivers and extends our understanding of injuries for this age group related to distraction-related crashes. © 2007 Elsevier Ltd. All rights reserved. |
| 56. | Neyens, David M; Donmez, Birsen; Boyle, Linda Ng The Iowa graduated driver licensing program: Effectiveness in reducing crashes of teenage drivers Journal Article In: Journal of Safety Research, vol. 39, pp. 383-390, 2008, ISSN: 0022-4375. @article{Neyens2008b,
title = {The Iowa graduated driver licensing program: Effectiveness in reducing crashes of teenage drivers},
author = {David M Neyens and Birsen Donmez and Linda Ng Boyle},
doi = {10.1016/J.JSR.2008.05.006},
issn = {0022-4375},
year = {2008},
date = {2008-01-01},
journal = {Journal of Safety Research},
volume = {39},
pages = {383-390},
publisher = {Pergamon},
abstract = {Problem: Graduated Driver Licensing (GDL) programs vary in the United States in terms of implementation and restrictions. The State of Iowa's GDL program is assessed for its effectiveness in reducing crashes among teenage drivers. Method: Time series analysis was used to evaluate police documented crashes involving 16-, 17-, and 18-year-old drivers over a 10 year period, with an intervention identified at the point of GDL implementation. Results: After controlling for seasonal trends and auto-correlative effects, a significant reduction in the crash rate of and 16- and 17-year-old drivers was observed due to the GDL implementation. However, there were no significant reductions in crash rates for 18-year-old drivers. Discussion: The analyses suggest that the Iowa GDL program is effective in reducing the crash rates of 16- and 17-year-old drivers but the effects do not sustain for 18-year-old drivers. Impact on Industry: The results suggest that the program appears to be working, however further analysis is needed to determine what factors are preventing lasting effects for these teenage drivers. © 2008 National Safety Council and Elsevier Ltd.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Problem: Graduated Driver Licensing (GDL) programs vary in the United States in terms of implementation and restrictions. The State of Iowa's GDL program is assessed for its effectiveness in reducing crashes among teenage drivers. Method: Time series analysis was used to evaluate police documented crashes involving 16-, 17-, and 18-year-old drivers over a 10 year period, with an intervention identified at the point of GDL implementation. Results: After controlling for seasonal trends and auto-correlative effects, a significant reduction in the crash rate of and 16- and 17-year-old drivers was observed due to the GDL implementation. However, there were no significant reductions in crash rates for 18-year-old drivers. Discussion: The analyses suggest that the Iowa GDL program is effective in reducing the crash rates of 16- and 17-year-old drivers but the effects do not sustain for 18-year-old drivers. Impact on Industry: The results suggest that the program appears to be working, however further analysis is needed to determine what factors are preventing lasting effects for these teenage drivers. © 2008 National Safety Council and Elsevier Ltd. |
2007
|
| 57. | Neyens, David M; Boyle, Linda Ng The effect of distractions on the crash types of teenage drivers Journal Article In: Accident Analysis & Prevention, vol. 39, pp. 206-212, 2007, ISSN: 0001-4575. @article{Neyens2007,
title = {The effect of distractions on the crash types of teenage drivers},
author = {David M Neyens and Linda Ng Boyle},
doi = {10.1016/J.AAP.2006.07.004},
issn = {0001-4575},
year = {2007},
date = {2007-01-01},
journal = {Accident Analysis & Prevention},
volume = {39},
pages = {206-212},
publisher = {Pergamon},
abstract = {Teenage drivers are overrepresented in crashes when compared to middle-aged drivers. Driver distraction is becoming a greater concern among this group as in-vehicle devices, opportunities for distractions, and teenage drivers' willingness to engage in these activities increase. The objective of this study was to determine how different distraction factors impact the crash types that are common among teenage drivers. A multinomial logit model was developed to predict the likelihood that a driver will be involved in one of three common crash types: an angular collision with a moving vehicle, a rear-end collision with a moving lead vehicle, and a collision with a fixed object. These crashes were evaluated in terms of four driver distraction categories: cognitive, cell phone related, in-vehicle, and passenger-related distractions. Different driver distractions have varying effects on teenage drivers' crash involvement. Teenage drivers that were distracted at an intersection by passengers or cognitively were more likely to be involved in rear-end and angular collisions when compared to fixed-object collisions. In-vehicle distractions resulted in a greater likelihood of a collision with a fixed object when compared to angular collisions. Cell phone distractions resulted in a higher likelihood of rear-end collision. The results from this study need to be evaluated with caution due to the limited number of distraction related cases available in the U.S. GES crash database. Implications for identifying and improving the reporting of driver distraction related factors are therefore discussed. © 2006 Elsevier Ltd. All rights reserved.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Teenage drivers are overrepresented in crashes when compared to middle-aged drivers. Driver distraction is becoming a greater concern among this group as in-vehicle devices, opportunities for distractions, and teenage drivers' willingness to engage in these activities increase. The objective of this study was to determine how different distraction factors impact the crash types that are common among teenage drivers. A multinomial logit model was developed to predict the likelihood that a driver will be involved in one of three common crash types: an angular collision with a moving vehicle, a rear-end collision with a moving lead vehicle, and a collision with a fixed object. These crashes were evaluated in terms of four driver distraction categories: cognitive, cell phone related, in-vehicle, and passenger-related distractions. Different driver distractions have varying effects on teenage drivers' crash involvement. Teenage drivers that were distracted at an intersection by passengers or cognitively were more likely to be involved in rear-end and angular collisions when compared to fixed-object collisions. In-vehicle distractions resulted in a greater likelihood of a collision with a fixed object when compared to angular collisions. Cell phone distractions resulted in a higher likelihood of rear-end collision. The results from this study need to be evaluated with caution due to the limited number of distraction related cases available in the U.S. GES crash database. Implications for identifying and improving the reporting of driver distraction related factors are therefore discussed. © 2006 Elsevier Ltd. All rights reserved. |
2006
|
| 58. | Neyens, David M; Boyle, Linda Ng A Theoretical Framework of Risk Compensation in Supply Chain Management Decision Making Journal Article In: Proceedings of the Human Factors and Ergonomics Society Annual Meeting, vol. 50, pp. 1488-1491, 2006, ISSN: 2169-5067, (doi: 10.1177/154193120605001506). @article{Neyens2006,
title = {A Theoretical Framework of Risk Compensation in Supply Chain Management Decision Making},
author = {David M Neyens and Linda Ng Boyle},
url = {https://doi.org/10.1177/154193120605001506},
doi = {10.1177/154193120605001506},
issn = {2169-5067},
year = {2006},
date = {2006-01-01},
journal = {Proceedings of the Human Factors and Ergonomics Society Annual Meeting},
volume = {50},
pages = {1488-1491},
publisher = {SAGE Publications Inc},
abstract = {The goal of this study is to develop a theoretical framework for the study of decision makers within supply chains. Decision makers may compensate inappropriately by overstocking or overestimating lead times resulting in greater inventory costs. By leveraging the knowledge associated with risk compensation, better accountability of logistics and inventory holding costs can be achieved. Although there are conflicting views on risk compensation, the theory does provide insights into the complexities facing the decision maker in supply chain environments. More specifically, there has been relatively little research examining how human factors issues impact the supply chains' effectiveness. The risk compensation framework is tailored to represent and model the inventory management portion of the supply chain and can be validated through experimentation by evaluating the operator's perceived risks. In developing this model, the foundations for extending our knowledge of the human decision making in supply chain management can be established.},
note = {doi: 10.1177/154193120605001506},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The goal of this study is to develop a theoretical framework for the study of decision makers within supply chains. Decision makers may compensate inappropriately by overstocking or overestimating lead times resulting in greater inventory costs. By leveraging the knowledge associated with risk compensation, better accountability of logistics and inventory holding costs can be achieved. Although there are conflicting views on risk compensation, the theory does provide insights into the complexities facing the decision maker in supply chain environments. More specifically, there has been relatively little research examining how human factors issues impact the supply chains' effectiveness. The risk compensation framework is tailored to represent and model the inventory management portion of the supply chain and can be validated through experimentation by evaluating the operator's perceived risks. In developing this model, the foundations for extending our knowledge of the human decision making in supply chain management can be established. |
