Influences of mechanical exposure biographies on physical capabilities of workers from automotive industry - a study on possible dose-response relationships and consequences for short and long term job rotation

This paper describes a field study in production areas of a vehicle manufacturing plant, where 106 male workers (aged from 20 to 63 years) were examined and interviewed by the authors. Aim of study was to identify relationships between specific physical worker capabilities and doses of mechanical exposures using self-developed standardized questionnaires as well as a battery of work-specific tests. The dependent variables are different "physical capabilities", classified using a five-point rating scale with regard to the grade of limitation of the respective capability. Independent variables are "age" and specific "mechanical exposures". Several exposures were combined and multiplied with their respective durations in order to determine doses on three different body regions - back, shoulder-neck and upper limbs. There are significant positive correlations between "age" and "dose of mechanical exposure on back/shoulder-neck/upper limbs region". The analysis of the relationship between dose of exposure and different capabilities to lift or reposition loads (with variable weight) shows weak significant correlations for all three body regions. Data analysis shows no significant correlations between any dose of mechanical exposure and capabilities to work in awkward body postures.These results should be considered in age management programs when scheduling future employee assignments to workplaces, especially for production systems where manual handling tasks are dominant.     

Support of the upper limbs of office workers during a daily work journey

Generally, the studies assess the upper limbs postures during the work with Visual Display Terminal - VDT through the measurement of the angles formed by the segments or through the relation with the pre-defined anatomical postures (e.g., flexion, extension, abduction). However, few studies were found in the literature which had focused in the measurement of the upper limbs support during a real situation of work with VDT and in the definition of analysis categories for this kind of behavior. The main objective of this study was to measure, in a real situation and using a systematic observation method through video analysis, the main kinds of support for the upper limbs. The analysis was done considering 480 work hours of 30 office workers. Data were collected using a methodology proposed by Rebelo, Filgueiras & Soares [1] and related with the work organization and workspace conditions, the participants had: a) minimum of eight hours daily of work; b) similar activities, characterized as office work; c) same furniture and equipment; and, d) computers with the same hardware, software and peripherals. Results were analyzed 46554 dynamic events, considering only the fourteen Interaction Categories - ICs, for upper limps support. In this way, percentage was computed, considering the total number of occurrence, for the Right arm is: arm support (0.06%); forearm support (31,8%); elbow support (31,92%); hand support (7,41%); multiple supports (12,32%) and without support 16,41%- For the Left arm the results is: forearm support (0,11%); arm support (53,69%); elbow support (8,70%); hand support (7,97%); multiple supports (8,43%) e without support (21,11%). This systemic and ecological approach was obtained through a method which enables experimental Biomechanics and Physiology methods to develop more efficient functional requirements and recommendations for the work with VDTs.     

Development of an instrument for assessing workstyle in checkout cashier work (BAsIK)

Checkout cashier work consists of handling a large number of items during a work shift, which implies repetitive movements of the shoulders, arms and hands/wrists, and a high work rate. The work is associated with a high prevalence of disorders in the neck and upper extremity. The concept of workstyle explains how ergonomic and psychosocial factors interact in the development of work-related upper extremity disorders. The aim of the project was to develop an instrument for the occupational health services to be used in the efforts to prevent upper extremity disorders in checkout cashier work. The instrument is based on the workstyle concept and is intended to be used as a tool to identify high-risk workstyle and needs for interventions, such as training and education. The instrument, BAsIK, consists of four parts; a questionnaire about workstyle, an observation protocol for work technique, a checklist about the design of the checkout and a questionnaire about work organization. The instrument was developed by selecting workstyle items developed for office work and adapting them to checkout cashier work, discussions with researchers and ergonomists, focus-group interviews with cashiers, observations of video recordings of cashiers, and studies of existing guidelines and checklists.     

The quality of work during the employment crisis: the Italian case

The paper aims to study empirically the relationship between the effects of the employment crisis and the quality of work in Italy using a multidimensional approach. The quality of work is identified and measured through five dimensions. Such dimensions have been regressed, both for linear and quantile regression, for the ‘employment crisis’ variable, controlling for a set of variables including worker's characteristics, firm's variables, and job characteristics. The main findings show an uneven impact of the employment crisis on the quality of work dimensions. The employment crisis seems in fact to have significantly changed quality of work just in some of the dimensions. Moreover, the changes do not apply homogeneously in respect to both the sector of activity and the distribution of the examined dimensions.     

Daily work events and state work engagement: the mediating role of affect / Eventos diarios y work engagement: el rol mediador del afecto

Abstract

According to Affective Events Theory, the emotional elicitation process is initiated by the appraisal of affective events happening to employees. Moreover, the theory states that these elicited affective experiences influence attitude and behaviour in the workplace. In the present study this theoretical frame is applied to explain the interplay of variables influencing state work engagement. We analyse the mediating role of affect between work events’ appraisals and daily work engagement, using a diary study. One hundred and seventeen workers answered a daily questionnaire for at least 10 days generating a total of 1,203 registers. Multilevel analysis proved that daily events’ appraisal is positively related to state work engagement, and that this relationship is partially mediated by positive and negative affect. Moreover, the effect of positive affect was bigger than the one of negative affect. The explored relations provide new theoretical elements for models that explain which variables influence state work engagement.     

Driven by Inequalities: Exploring the Resurgence of Domestic Work in U.S. Cities

Domestic work, once the most common occupation for women around the globe, was thought to be well on its way to extinction at the end of the twentieth century. However, in the 1980s and 1990s, evidence began to appear that domestic work was in many places again becoming a growth occupation. My goal in this article is to examine the factors related to the recent expansion of domestic work in countries in the Global North, using the United States as a case study. I draw on U.S. Census data to document the resurgence of domestic work both nationally and in many large cities across the country, and then use multivariate analysis to compare rates of domestic work across these cities. The results indicate that rates of domestic work are highly related to variables measuring structural inequalities (racialization of the labor force, immigration, and economic polarization), while showing little relationship with variables measuring unmet care needs (care dependency ratios, female/maternal labor force participation, and availability of institutional care options). These findings underline the urgency of providing protections to domestic workers and point to the need for scholarship that better theorizes the relationships among unpaid care and different forms of paid care.     

Furniture dimensions and postural overload for schoolchildren's head, upper back and upper limbs

The aim of this study was to evaluate how the fixed furniture dimensions match with students' anthropometry and to describe head, upper back and upper limbs postures and movements. Evaluation was performed in 48 students from a Brazilian state school. Furniture dimensions were measured with metric tape, movements and postures by inclinometers (Logger Tecknologi, ?karp, Sweden). Seat height was high for 21% and low for 36% of the students; seat length was short for 45% and long for 9% and table height was high for 53% and low for 28%. Regression analysis showed that seat/popliteal height quotient is explained by 90th percentile of upper back inclination (β=0.410) and 90th percentile of right upper arm elevation (β=-0.293). For seat/thigh length quotient the significant variables were 90th percentile of upper back velocity (β=-0.282) and 90th percentile of right upper arm elevation (β=0.410). This study showed a relationship between furniture mismatch and postural overload. When the seat height is low students increase upper back left inclination and right upper arm elevation; when the seat is short students decrease the upper back flexion velocity and increase right upper arm elevation.     

Occupational segregation by hours of work in Europe

This article quantifies the levels of occupational segregation between part‐time and full‐time work using data from the European Labour Force Survey for 15 European countries. It also attempts to identify some of the determinants of segregation through regression analysis using three groups of indicators (quantity of employment, quality of employment and institutional factors). Occupational segregation by hours of work is generally higher for males than for females and is also higher for young workers versus adult workers. It is also found that segregation for men is correlated with the quantity of employment, while variables from all three groups of indicators are important for adult women and young workers.     

Female Clerical Workers in Academic Settings: An Empirical Test of the Gender Model

The purpose of this paper is to report the findings of an empirical study designed to test the gender model of work on a sample of 374 female clerical workers in academic settings. In the gender model of work, personal/family variables are given primacy in terms of explaining work attitudes and behavior. Independent variables selected for study were sex role orientation, education, having a blue-collar husband, and having three or more children. Dependent variables were perceived occupational stress, occupational satisfaction, perceived power, thwarted mobility, and work aspirations. Six hypotheses were tested; three were confirmed. The authors conclude that non-traditional sex role orientation is positively related to perceived powerlessness, low occupational satisfaction, and high work aspirations. Low Pearson's r for each confirmed hypothesis suggests the inadequacy of the gender model for this particular population.     

Field Practica in Social Work Administration: Tasks,Auspice, Selection Criteria and Outcomes

Abstract

This evaluative study of the field practicum in one MSW program in social work administration is based on data collected over a period of ten years on tasks performed by students, auspice of field placement agency and student prior experience in relation to outcomes of student performance and satisfaction. The findings revealed that better outcomes are associated with tasks performed on upper organizational levels, working with line staff, performing interactional tasks, interorganizational functions, in agencies under voluntary auspices. Data on age and prior experience of students indicate no support for using these criteria for selection of students for this type of education. The policy implications for social work education are discussed.     

Nonwork Influences on Withdrawal Cognitions: An Empirical Examination of an Overlooked Issue

The aim of this research is to examine severaldimensions of nonwork domains such as nonwork-to-workspillover, work/nonwork conflict, coping strategies, andorganizational support for nonwork, and their relationship to withdrawal cognitions.Questionnaires were mailed to all employees of a schooldistrict in western Canada. A total of 300 usablequestionnaires were returned: a response rate of 42%. The findings show that nonwork domain variables aresignificantly related to withdrawal cognitions. This wasdemonstrated mainly in two strong interaction effectsbetween the importance of nonwork and personal coping strategies on the one hand, and betweenthe importance of nonwork and perceived organizationalsupport for nonwork on the other. The two interactionsremain significant when two work variables, i.e., organizational commitment and job satisfaction,were entered into the regression as control variables.The paper concludes with proposed directions for futureresearch based on the findings of this present work.     

A criterion-referenced multidimensional job-related model prediction capability to perform occupations among persons with chronic pain

OBJECTIVE: The purpose of this prospective study was an exploration of the construct of the criterion-referenced multidimensional job-related model (CMVA) aimed for predicting patients' with chronic pain capability to perform occupations. METHODS: The study samples were 1) participants (n=84) who at present were not performing employed work (median sick-listing period 12 months) because of chronic pain and 2) participants (n = 104) who at present were performing employed work at least 20 hours of a workweek. The participants had experiences of 40 different occupations classified into five of the occupational categories of Jist's Enhanced Dictionary of Occupational Titles. Data were collected through ten assessment instruments and a structured interview, comprising 54 variables and 465 items. Data were analyzed using multiple regression with forward entering of variables. RESULTS: The CMVA model (Adjusted R^2 0.777, F (4, 183) = 164.067; p<0.001) was able to explain 78% of the variance. CMVA contained the aspects; "the work demands-variable, the person-variable of work life values, the environment-variable of social support and the two occupational performances-variables; self-perceived capability to perform work tasks/the simulated work tasks". CONCLUSIONS: The construct of CMVA was robust suggesting that among persons with chronic pain, the predictors focusing on their capability to perform occupations are of great importance.     

Children's time in household work: Estimation issues

The purpose of this article is to analyze children's time in household production using tobit analysis to adjust for nonparticipation and to compare the results to a regression analysis. In general, more variables are significant in each of the analyses based upon gender and birth order of the children. More importantly, the additional variables go beyond whether the day was a schoolday and the age of the child. The past failure of children's time spent in household work to change with differences in their families' characteristics appears to have been an artifact of not accounting for nonparticipation when estimating marginal effects.Her current research interests include use of clothes washers and family members' time use. She received her Ph.D. from Cornell University.She is currently conducting research in the areas of home-based employment and small family businesses.     

The Significance of Shift Work: Current Status and Future Directions

This paper provides a review and synthesis of research literature on the effects of shift work on workers’ physical health, mental health/well-being, and family life. The focus is on current knowledge, unanswered questions, and new directions for future research. The selection of research literature is guided by a general conceptual framework that identifies predictor variables, moderating variables, and outcome variables. The paper concludes with a discussion of the variables that should be incorporated into an agenda for future research.     

Association between repetitive work and occupational cold exposure

Occupational cold exposure is an important risk factor that increases stress at work and can induce many health effects like diseases and symptoms related to cold, including work-related musculoskeletal disorders. The methodological procedures were performed to measure these environmental variables as recommended by the ISO 7726/85. For the analysis of repetitiveness was used the OCRA checklist and evaluation of musculoskeletal morbidity conducted by the Nordic Musculoskeletal Questionnaire. So the objective of this study was to investigate the correlation between cold environmental variables and prevalence of musculoskeletal morbidity in the repetitive work. Was found association between work in cutting and boning sector (occupational cold and repetitive work) and the presence of musculoskeletal morbidity, with a significance of 99%.     

Determinants of English proficiency among Mexican migrants to the United States

"We replicate prior research into the determinants of English language proficiency among immigrants using a dataset that controls for potential biases stemming from selective emigration, omitted variables, and the mismeasurement of key constructs. In general, we reproduce the results of earlier work, leading us to conclude that despite inherent methodological problems, research based on cross-sectional censuses and surveys yields fundamentally accurate conclusions. In particular, we find unambiguous evidence that English proficiency rises with exposure to U.S. society, and we reaffirm earlier work showing a clear pattern of language assimilation among Mexican migrants to the United States."     

Roots of Futility,by Norman A. Polansky,Robert D. Borgman,and Christine De Saix. Jossey-Bass,San Francisco, 1972. $9.50 Hardbound. 288 Pages

Abstract

This paper describes a study of first year graduate social work students' work in practica and assesses their transfer of practice evaluation knowledge and skills from the classroom to the field. The data are drawn from case material recorded by the students using a structured recording format. The paper addresses three central questions. What were the salient features of the students' practices? Did students apply practice evaluation knowledge to their work with clients? And, what variables influenced the ways that the students practiced? Recommendations for enhancing class and field integration and for increasing knowledge and skill transfer given the significant influence of the practicum instructor's orientation are discussed.     

Double Jeopardy: Work Ethic Differences in Youth at Risk of School Failure

The purpose of this study was to determine if work ethic differed for a sample of 152 selected 9th-grade students categorized by risk of school failure and by gender. Work ethic attributes were measured using the Occupational Work Ethic Inventory (Petty, 1993). Results of a two-way multivariate analysis of variance indicated significant work ethic differences in main effects of at-risk classification and gender for dependent variables of interpersonal skills, initiative, and being dependable. Interaction effects were not significant. Underlying constructs indicated that adolescents with greater degrees of risk were less dependable and that girls in the study were more dependable than boys.     

Nonstandard Work Schedules,Perceived Family Well‐Being,and Daily Stressors

Data from two studies assessed the effects of nonstandard work schedules on perceived family well‐being and daily stressors. Study 1, using a sample of employed, married adults aged 25 – 74 (n = 1,166) from the National Survey of Midlife in the United States, showed that night work was associated with perceptions of greater marital instability, negative family‐work, and work‐family spillover than weekend or daytime work. In Study 2, with a subsample of adults (n = 458) who participated in the National Study of Daily Experiences, weekend workers reported more daily work stressors than weekday workers. Several sociodemographic variables were tested as moderators. Both studies demonstrated that nonstandard work schedules place a strain on working, married adults at the global and daily level.     

Initiative in work teams: adaptation and validation of the Personal Initiative at Group Level Scale / Iniciativa en los equipos de trabajo: adaptación y validación de la Escala de Iniciativa Personal a nivel Grupal

In this study, we conceptualize personal initiative as a collective construct and adapt and validate a scale to evaluate it with a sample of 308 Spanish participants belonging to 91 work teams. Personal initiative at group level is a behavioural syndrome in which the team shows an approach to work that is self-initiated, proactive, persistent, capable of modifying the atmosphere and pro organization. As a predictive variable, we analysed the climate for initiative as well as personal initiative at group level. The resulting variables that were analysed referred to organization and team performance, with the team productivity and innovation as the criteria, analysing radical innovation. The scale has suitable psychometric properties. The results show that there is a relationship between the two predictive variables. Furthermore, personal initiative at group level is related to team productivity, while the climate for initiative is related to innovation.