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Biomedical subjects

Jessica Bondy

Publications and source records attributed to Jessica Bondy.

6 recordsLinked to original sources

Injuries from slips and trips in construction.

Construction injuries preceded by a slip or trip were documented using data from the building of the Denver International Airport (Denver, Colorado, USA), the largest construction project in the world at the time. Slips and trips occurred at a rate of 5/200,000 h worked accounting for 18% of all injuries and 25% of workers' compensation payments, or more than $10 million. Slips contributed to the vast majority (85%) of same-level falls and over 30% of falls from height, as well as a significant number of musculoskeletal injures sustained after slipping or tripping but without falling. The injury burden would have been under-recognized in analyses of most coded compensation records. In contrast to other types of injuries, the most common contributing factors were environmental in nature including conditions of walking and working surfaces, terrain and weather. Due to the very dynamic nature of construction work, reducing slips and trips will require a focus on environmental and organizational solutions that evolve as the site changes and the construction project evolves.

Accidental Falls↗

Factors contributing to construction injury at Denver International Airport.

BACKGROUND: Detailed information about factors contributing to construction injury is important to support design of safety programs directed at particular risks. METHODS: We linked over 4,000 injury reports, including text describing injury events, with an administrative workers' compensation (WC) database, and, using Haddon's matrix as a framework, classified factors contributing to injury during construction of Denver International Airport (DIA). RESULTS: Patterns of contributing factors varied according to injury mechanism and type of work: environmental factors contributed more than any other factor to slip/trip injuries, and building materials contributed to more than 40% of injuries to workers in carpentry, concrete construction, glass installation, and roofing. Rates at which factors contributed to injury also varied among types of work: environmental factors contributed at relatively high rates to injuries in glass installation, metal/steel installation and iron/steel erection >or= 2 stories, and victim factors contributed at high rates to conduit construction and metal/steel installation injuries. WC payment rates for different factors varied widely, ranging from $0.53/$100 payroll to $3.08/$100. DISCUSSION: This approach allows systematic analysis of classes of injuries, contributing factors, types of work, and other variables to assist in setting prevention priorities.

Accidents, Occupational↗

Methods for using narrative text from injury reports to identify factors contributing to construction injury.

BACKGROUND: Several methods exist for classifying injuries from written text, thereby identifying possible points of intervention. We describe an innovative method for such classification. METHODS: Using Haddon's matrix as a framework, two independent reviewers coded text from over 4,000 injury reports into a qualitative software package to identify factors contributing to injuries sustained during construction of Denver International Airport (DIA). We compared our classification scheme with three others. RESULTS: This process created a coded data set, an expanded version of Haddon's matrix adapted for construction injury, and coding rules for interpreting narrative text. Haddon's matrix provides a flexible theoretical framework for coding information about a spectrum of contributing factors. CONCLUSIONS: Narrative descriptions from injury reports can provide detail on circumstances surrounding injuries and identify factors contributing to injury. Forms guiding investigators to explicitly consider human, organizational, and environmental factors could foster more complete descriptions of factors contributing to construction injury.

Accidents, Occupational↗

Analysis of text from injury reports improves understanding of construction falls.

OBJECTIVE: We combined payroll data, coded workers' compensation (WC) data, and text descriptions of injuries from the construction of Denver International Airport to create a more comprehensive picture of falls from height (FFH) than is typically available from WC data. Text descriptions were coded to identify circumstances surrounding falls. Slips/trips preceded one third of FFH, often involving motor vehicles or heavy equipment. Another third involved movement or collapse of work surfaces, usually ladders or scaffolds. CONCLUSIONS: The significant contribution of motor vehicles and heavy equipment to FFH, particularly those preceded by slips/trips, was not apparent from coded data. Heavy equipment engineering modifications are called for and workers in street/roadway construction/site development need fall protection training. Text analyses allow exploration of factors not identified at the time of data collection and better understanding of the context in which injuries occur.

Accidental Falls↗

Effects of nurse home-visiting on maternal life course and child development: age 6 follow-up results of a randomized trial.

OBJECTIVE: To test, with an urban, primarily black sample, the effects of prenatal and infancy home visits by nurses on mothers' fertility and economic self-sufficiency and the academic and behavioral adjustment of their children as the children finished kindergarten, near their sixth birthday. METHODS: We conducted a randomized, controlled trial of a program of prenatal and infancy home-visiting in a public system of obstetric and pediatric care in Memphis, Tennessee. A total of 743 primarily black women at <29 weeks of gestation, with no previous live births and with > or =2 sociodemographic risk characteristics (unmarried, <12 years of education, or unemployed), were randomly assigned to receive nurse home visits or comparison services. Outcomes consisted of women's number and timing of subsequent pregnancies, months of employment, use of welfare, food stamps, and Medicaid, educational achievement, behavioral problems attributable to the use of substances, rates of marriage and cohabitation, and duration of relationships with partners and their children's behavior problems, responses to story stems, intellectual functioning, receptive language, and academic achievement. RESULTS: In contrast to counterparts assigned to the comparison group, women visited by nurses had fewer subsequent pregnancies and births (1.16 vs 1.38 pregnancies and 1.08 vs 1.28 births, respectively), longer intervals between births of the first and second children (34.28 vs 30.23 months), longer relationships with current partners (54.36 vs 45.00 months), and, since the previous follow-up evaluation at 4.5 years, fewer months of using welfare (7.21 vs 8.96 months) and food stamps (9.67 vs 11.50 months). Nurse-visited children were more likely to have been enrolled in formal out-of-home care between 2 and 4.5 years of age (82.0% vs 74.9%). Children visited by nurses demonstrated higher intellectual functioning and receptive vocabulary scores (scores of 92.34 vs 90.24 and 84.32 vs 82.13, respectively) and fewer behavior problems in the borderline or clinical range (1.8% vs 5.4%). Nurse-visited children born to mothers with low levels of psychologic resources had higher arithmetic achievement test scores (score of 88.61 vs 85.42) and expressed less aggression (score of 98.58 vs 101.10) and incoherence (score of 20.90 vs 29.84) in response to story stems. There were no statistically significant program effects on women's education, duration of employment, rates of marriage, being in a partnered relationship, living with the father of the child, or domestic violence, current partner's educational level, or behavioral problems attributable to the use of alcohol or drugs. CONCLUSION: This program of prenatal and infancy home-visiting by nurses continued to improve the lives of women and children at child age 6 years, 4 years after the program ended.

Adolescent↗

Refining the focus of construction injury surveillance.

We conducted two studies of construction injury occurring at Denver International Airport (DL4), whose construction required 31 million work hours. Initially we conducted a retrospective cohort study that allowed estimation of injury and workers' compensation (WC) payment rates for strata such as size of employer and type of work; risk factors were also estimated. The second study examined written injury reports for 4,000 injuries at DIA. We modified Haddon's matrix to classify factors contributing to injury. We identified 108 factors within 4 broad categories: human, object, environment and organization. This approach provided information on rates at which each factor contributed to injury and the WC payment rates for each factor. A study shortcoming was that injury reports varied in completeness and quality. In a third ongoing study, to compensate for the shortcomings of injury reports, particularly to improve consistency and completeness of data, we designed a worker questionnaire completed immediately after injury, which included questions specific to hazards associated with each type of injury. Upon completion, the interviewer (a safety professional) uses the modified Haddon's matrix to note contributors to the injury and explain briefly the reasons for each notation. This requires the interviewer to consider a full set of possible factors and determine whether they contributed to injury. This process elicits richer data and places specific factors within the four higher-level categories. This process confer advantages on both contractors and researchers. Contractors can become immediately aware of contributing factors and ameliorate them quickly. The data can also be used in post hoc analysis of injury etiology. Moreover, the data are sufficiently flexible and complete that they can be coded into schemes describing sequences of events leading to injury, as well as those simply identifying factors contributing to injury. Haddon's matrix is invaluable in such analysis because it leads to a fuller understanding of the origins of the most proximate contributors to injury than would otherwise occur. Particularly for contractors and owners with significant safety infrastructures, this approach may be attractive, because it allows for more complete and quicker correction of specific hazards and, with systematic evaluation, recognition of more general safety concerns present on many construction sites.

Accidental Falls↗