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Ciencia & trabajo

On-line version ISSN 0718-2449

Cienc Trab. vol.17 no.52 Santiago Apr. 2015

http://dx.doi.org/10.4067/S0718-24492015000100014 

ARTICULO ORIGINAL

 

Work ability and psychosocial factors among hairdressers workers, Rio de Janeiro, Brazil

 

Capacidad para el trabajo y los factores psicosociales en trabajadores de peluquerías, Río de Janeiro, Brasil

 

Aldo Pacheco Ferreira

Docente e Investigador, Escuela Nacional de Salud Pública Sergio Arouca, Centro de Estudios de la Salud del Trabajador y Ecología Humana, Rio de Janeiro, Brasil.

Correspondence:


Abstract

This study came up with the main objective to inspect psychosocial health and wellbeing factors that affect the work ability of hairdresser. A cross-sectional and descriptive study was carried out in which 106 hairdressers workers were surveyed. To this end, the Work Ability Index (WAI) and Copenhagen Psychosocial Questionnaire (COPSOQ) questionnaires were administered. The results demonstrate that the sociodemographic variables gender, age and educational attainment are influenced by psychosocial health factors. The average WAI score among workers was 40,7 points (SD=7,2), ranging from 24 to 49 points and the prevalence of good capacity for work was 77,36%. Regarding to the symptoms of stress were obtained in difficulty to think clearly (16,03%), pain or problems in the stomach (13,21%), tension in various muscles (15,1%), difficulty making decisions (13,21%), lack of initiative (8,49%) and tightness or chest pain (9,43%) in respondents. The administrators of beauty salons should be aware of the results obtained with this category of workers so little studied (but very prominent today) to pore in creating an environment conducive to maintaining the work capacity and well-being of hairdressers, mitigating the problems encountered with this study.

Key words: Occupational Health, Work Capacity Evaluation, Psychosocial Impact, Working Conditions.


Resumen

Este estudio tiene el objetivo principal de examinar los factores de salud y bienestar psicosociales que afectan a la capacidad de trabajo en peluqueros. Se aplicó los cuestionarios (Índice de Capacidad para el Trabajo - ICT y Psicosocial de Copenhague - COPSOQ) a 106 peluqueros. Los resultados demuestran que las variables sociodemográficas sexo, edad y nivel de estudios se ven influidas por factores psicosociales relacionados con la salud. La puntuación media de lo ICT entre los trabajadores fue de 40,7 puntos (DE = 7.2), que van desde 24 hasta 49 puntos y la prevalencia de la buena capacidad de trabajo fue 77,36%. Con respecto a los síntomas de estrés se obtuvieron en dificultad para pensar con claridad (16,03%), dolor o problemas en el estómago (13,21%), la tensión en varios músculos (15,1%), dificultad para tomar decisiones (13,21%), la falta de iniciativa (8,49%) y la opresión o dolor en el pecho (9,43%) en los encuestados. Los administradores de salones de belleza deben ser conscientes de los resultados obtenidos con esta categoría tan poco estudiada para la creación de un entorno propicio para el mantenimiento de la capacidad de trabajo y el bienestar, permitiendo así a mitigar los problemas encontrados con este estudio.

Palabras clave: Salud Laboral, Evaluación de Capacidad de Trabajo, Impacto Psicosocial, Condiciones de Trabajo.


 

Introduction

Throughout times there have been changes, which require restructuring work processes, such as the introduction of new technologies in order to improve production quality and quantity; more demands on workers, qualifications and working hours. These and / or other factors lead to adverse effects, including psychosocial factors at work, stress, fatigue, etc1. The wear deriving from demands of work can be linked to chronic and acute physiological responses, psychological reactions and behavioral changes, with the possibility of decreased functional capacity and ability to work and triggering work-related diseases2,3. On the other hand, requirements that are characterized as positive can promote and protect the health, work capacity and functional capacity, whatever the age of the worker4.

If, on one hand, the work presents an essential role in personal development and for social life5, on the other shows becoming more individualized, brash and demanding the psychic level may even lead to imbalance of the mental health of workers6. In other words, the work can be painful when its context creates discomfort, effort and suffering too much and where, in addition, the worker has not any control over it7. In fact, there are several studies showing a strong association between the requirements psychological work and the occurrence of minor mental disorders8.

The work ability obtains guidance of numerous issues, including social and demographic characteristics, the lifestyle, the health state and aspects associated to work9. The interest in developing this study, with workers belonging to hairdressing, relates to the fact that among the various professional classes, this stand out as being one of the sectors most affected by psychosocial factors, including the stress labor10,11. Hairdressing is a professional category working with human hair, making several changes at the same as cutting or colouring, with significant participation of women in beauty salons. Their actions, with the application of products containing chemical formulations, expose them, creating potential work stress12,13.

The World Health Organisation has estimated 217 million cases related occupational diseases14. Notwithstanding, stressful events such as poor working conditions, poor organization, lack of control over work tasks and conflicting labour relations, long-term, cause organic changes that can, among other consequences, compromising worker performance13. The posture, physical and intellectual effort, the number of working hours, also considering the shifts, worker motivation and interpersonal relations have been reported in several studies as being some of the most important factors to consider in occupational health15,16. Also the degree of participation in the labour, environment and organization of work, the rhythm and its intensity and autonomy are among the many factors that affect the health of less obvious form of workers7,17-19.

Thus, the Occupational Health focuses on the promotion and maintenance of physical and psychosocial health of those in your workplace, taking into account the various factors that influence the labour quality, health and wellness. In this context, determining work ability has increasingly gained relevance and has been recently used as an important tool to predict workers' capabilities to perform their tasks in the future20. In addition, maintaining good work ability has become increasingly important in prolonging working life and reducing losses from the workforce21.

 

Materials and Methods

Procedures

A cross-sectional and descriptive study was carried out in hairdressers workers were surveyed.

The methodology encompassed the work ability analysis using the Work Ability Index9 and the characterization of the psychosocial factors using the Copenhagen Psychosocial Questionnaire22. The WAY and COPSOQ were self-administrated during 2013-2014 to hairdressers.

A total of 106 females employed in 30 beauty institutes on the district of Jacarepaguá, were included in this study (Figure 1). For the data collection there was application of face-to-face questionnaires, which consists of a self-completion questionnaire. All subjects were aware of the objectives of the study and gave informed consent to participate. Exclusion criteria included being on leave due to disease, having participated in the pretest, being on vacation during data collection, and having answered incompletely to any of the questions posed. This led to the exclusion of 6,6% of all workers. This study received approval from the Bioethics Committee (0054.0.031.000-06) (Sergio Arouca National School of Public Health/Ensp/Fiocruz).

Figure 1. Hairdresser cohort by age group.

The interviews had previously done field surveys and had experience of face-to-face interviews were done by 3 trained interviewers, all of whom had graduate education. During preliminary meeting for the research, the participants had the presentation of research proposal, information about the procedures involved and the invitation to participate. Participation in the study was formalized through the signing of the consent form. The interviews were done by 3 trained interviewers, wholly of who had graduate schooling. A pilot study was undertaken during 2012 to check suitability of the questions for the study population.

Study site

Jacarepaguá with a land area of 29,27 square miles (75,8km2) is the 4th largest neighbourhood in the city of Rio de Janeiro, Brazil. In 2010, it had a population of 100,822, making it the 9th most populous neighbourhood in the city23. The name comes from the indigenous name of the location, shallow pond of alligators, by the time of the Portuguese invasion. Is located in the West Zone of Rio in the Baixada de Jacarepaguá, between Maciço da Tijuca and the Serra da Pedra Branca (22°56'55"S - 43°20'38"W). The upper middle class Barra da Tijuca separates the suburb from the sea. Is divided into the following sub-areas: Anil, Curicica, Cidade de Deus, Freguesia, Gardênia Azul, Pechincha, Praça Seca, Rio das Pedras, Tanque, Taquara, and Vila Valqueire. The quarter of Freguesia, is part of the suburb Jacarepaguá in the West Zone of the city of Rio de Janeiro, Brazil. In 2010 its estimated population was 54,010 inhabitants23. (Figure 2).

Figure 2. Study area: Localization of Jacarepaguá, State of Rio de Janeiro, Brazil.

Beauty institutes

Although not officially designated, Brazilian beauty institutes are 'classified' as categories A, B and C, according to the number of employees, size of the establishment, location, type of beauty products in use and offered services. In this investigation all institutional categories of were included.

Questionnaires

COPSOQ - the Danish original study

The COPSOQ (Copenhagen Psychosocial Questionnaire) has been developed and validated by the Danish National Institute for Occupational Health in Copenhagen22. The questionnaire was aimed to be theory-based without being based on one specific theory. Therefore, the COPSOQ is covering a broad range of aspects of currently leading concepts and theories. The following are mentioned: 1. The job characteristics model. 2. The Michigan organizational stress model. 3. The demand-control-(support) model. 4. The sociotechnical approach. 5. The action-theoretical approach. 6. The effort-reward-imbalance model. 7. The vitamin model. The COPSOQ tries to deal with the broadness respectively indefiniteness of the construct psychosocial factors by applying a multidimensional approach with a very wide spectrum of ascertained aspects24.

The COPSOQ presents itself as a multidimensional instrument, a tripartite methodology. It is a powerful tool that brings together international consensus on the validity of modernity and comprehensiveness in the evaluation of many of the most relevant psychosocial dimensions inherent in the work context25.

Work Ability Index

The work ability evaluation was done through the Work Ability Index (WAI) developed by Finnish researchers and based on workers' self-perception20,26,27. It is composed of seven aspects: 1) the person's current work capacity compared with the best of their life; 2) the work capacity compared with the work demands; 3) total number of self-perceived diseases diagnosed by the physician; 4) estimated loss of work due to illness; 5) absence from work due to illness; 6) self prognosis of work capacity; and 7) mental resources. The results can vary between a score of seven to 49 points, with a score of seven to 27 classified as the group with Low work capacity, 28 to 36 with Moderate capacity, 37 to 43 Good, and 44 to 49 with Excellent work capacity. The results can be used collectively or individually.

Achievement data on hairdressers' occupational activities

The obtaining data on hairdressers' occupational activities was planned, implemented and evaluated according to the model described by Goldenhar et al.28 (Figure 3). Groups in three phases for evaluation process in occupational safety and health: development, implementation and effect evaluation. Each phase consists of five central tasks: gathering background information; developing partnership; choosing methods and design; completing development, implementation and evaluation; and reporting and disseminating the process and results. The process described encourages going a step backwards whenever the five tasks in each phase have been completed in order to evaluate and improve the development, implementation and occupational evaluation.

Figure 3. A conceptual model for hairdressers' occupational evaluation (Goldenhar et al.28).

Statistical analysis

The statistical analyses were performed using the Origin 8.0 (OringinLab). The mean and dispersion of the data were calculated, and the results were compared to linear generalized models assuming a Gaussian distribution. To assess the independent statistical relationships of all relevant variables simultaneously, a multiple regression analysis was used. The tests were interpreted using a 5% degree of significance.

 

Results

Hairdresser Profile

The study participants consisted of a group of 106 female hairdressers divided into the age-specific cohorts, there were 35 (21-30 years) (mean= 25,42; SD=3,13693); 32 (31-40 years) (mean= 35,56; SD=3,14117); 20 (41-50 years) (mean= 44,9; SD = 2,9718); 16 (51-60 years) (mean= 55,62; SD=3,11716); and 3 (above 61 years) (mean= 63; SD=2). The majority reported living on the district of Jacarepaguá 68,9% (n=730, Rio de Janeiro and 31,1% (n=33) living in other neighbourhoods. A large proportion of the group had worked as a hairdresser for over 16 years, 78,5% (n=83,). The most of hairdressers were full time workers, 88,7% (n=94) with 70 of these workers informing that they worked more than 40 hours per week. Moreover, 22,6% (n=24) reported that they rarely had sufficient time for a meal break when working, and a supplementary 8,5% (n=9) reported never or rarely having time for a toilet break at work. The majority of hairdressers, however, continue to work with chemically based dyes, 97,2% (n=103). Concern about the effect of chemical exposure has impelled some hairdressers to use organic based products. In this study, a small proportion of hairdressers reported using organic dyes exclusively in the workplace, 2,8% (n=3).

Work Ability Index

The average WAI score among workers was 40,7 points (SD=7.2), ranging from 24 to 49 points and the prevalence of good capacity for work was 77,36% (Table 1).

Table 1. Distribution of the hairdressers according to the Work Ability Index (WAI). Rio de Janeiro, RJ, Brazil, 2013-2014.

It was possible to verify the highest prevalence of good capacity for work were among the hairdressers aged between 41 and 50 years old. Regarding the habits and lifestyles, it was found higher prevalence of good work ability in individuals who rated their general and oral health as good, and in those without signs and of depression symptoms. Still showed good ability those hairdressers who were classified as active or very active in physical activity, into abstinence or alcohol consumption without risk, do not smoke, with social support from one or more relatives and friends, and participating in group activities such as meetings, volunteer work and religion activities. With regard to job characteristics, the good work ability was more prevalent among hairdressers who had only a job, work up to 40 hours per week, did not work at night, had high social support at work and had their jobs classified as low demand, resulting from the combination low demand and high control (Table 2).

Table 2. Analysis of associations between work ability and demographic and occupational characteristics among hairdressers. Rio de Janeiro, RJ, Brazil, 2013-2014.

* Minimum wage in Brazilian Reals (R$).

In regarding to the perception of the main to the work demands, 59,43% (n=63) perceived their work determinants as both, physical and mental, 29,25% (n=31) as physical, and 11,32% (n=12) as mental demands.

In regarding of the CoPsoQ Questionnaire, related to the psychological factors (health), it were made measures in variables: General health -evaluation of health conditions as a whole; Vitality- available energy levels and fatigue; Psychological welfare -psychological distress; General stress- conduct of escape from difficulties, struggle or contest (behavioral); physical or psychosomatic symptoms (somatic); nervousness and irritability (cognitive); Sleep disorders are serious plenty to affect with emotional functioning, and normal social, physical, mental; and Social support for colleagues - represents nature and type of social support. The responses were grouped according to these steps. In Table 3 are demonstrated associations between work ability and dimensions of health among hairdressers. Mean values for all dimensions of health were significantly upper with satisfactory (good) work ability.

Table 3. Analysis of associations between work ability and dimensions of health among hairdressers. Rio de Janeiro, RJ, Brazil, 2013-2014.

Complementing, most participants indicated good general health (77,36) and vitality (50,94%). Not expressive, but the anxiety symptoms had higher frequency than depressive (14,15% and 12,26%, respectively). The symptoms of stress were: difficulty to think clearly (16,03%), pain or problems in the stomach (13,21%), tension in various muscles (15,1%), difficulty making decisions (13,21%), lack of initiative (8,49%) and tightness or chest pain (9,43%).

Despite not be a significant number, also was evident that some respondents' hairdressers presented some vulnerability to anxiety symptoms, depression, psychological well-being (16,98%); and stress-related (17,92%); especially symptoms of anxiety and depression, psychological well-being (4,72%), and general stress (7,55%).

 

Discussion

The consistency of the questionnaires applied was satisfactory (Cronbach's alpha ≥0,70). Mean level of satisfaction amongst workers was comparatively high. Nevertheless, it is well recognised that only a small number of workers actually express their frustration, which may have as a consequence to an underestimated predominance of dissatisfaction in work. Great levels of satisfaction are perceived even in the harshest circumstances, including inadequate working conditions, high rates of absenteeism, marked division of labor, and accidents29.

Working conditions in the industrial countries have experienced numerous, partly fundamental changes over the last decades. Alongside with comprehensive changes of production conditions and realities in industry, administration and service, demands on the employees are also changing. Time and local flexibility, high toughness or social competences are becoming more and more key qualifications. Consequently, sick-leave days and treatment costs due to psychosocial factors have increased systematically.

Labor relations, historically vulnerable in Brazil, cause to workers the constant imminent risk of unemployment. Which represents, objectively, the possibility of social exclusion or inclusion in the informal market, resulting in less access to social benefits, especially the health3,29,30. In addition, older professionals had higher job insecurity and higher prevalence of psychological symptoms. Age has proved to be an important factor in relations between these variables in studies4,31. Moreover, the contemporary labor market tends to exclude older people32.

In the population studied, all dimensions of mental health assessed were linked with work ability. Mental health is commonly recognised as less fully associated to work ability than physical health4,33, and is observed as more applicable for professions with mainly mental necessities8,34-36.

 

Conclusion

In conclusion, the results revealed that better physical and mental health are associated with greater work ability representing that, the better the worker's health, the greater his work ability. The administrators of beauty salons should be aware of the results obtained with this category of workers so little studied, but very prominent today, to pore in creating an environment conducive to maintaining the work capacity and well-being of hairdressers, mitigating the problems encountered with this study. This provides indication of the prominence of taking in account health in all its dimensions.

 

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Correspondencia/Correspondence: Aldo Pacheco Ferreira. Escuela Nacional de Salud Pública Sergio Arouca, Centro de Estudios de la Salud del Trabajador y Ecología Humana. Rua Leopoldo Bulhões, 1480, 21041-210, Manguinhos, Rio de Janeiro, Brasil. Tel.: +55 21 25982814. E-mail: aldopachecoferreira@gmail.com.

Recibido: 26 Enero 2015; Aceptado: 12 de Febrero 2015.

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