The alpha value for mental health, OBSE and QWL questionnaires were, respectively, 0.82, 0.80, 0.79 Woolf (2004) pointed out that a high QWL would reward the worker with a just wage for his work and recognition of other kinds for contribution, such as promotion to a better paid, more responsible position, more secure job, more opportunities to grow and as far as the work place allows, and better lit, cleaner, quiet, safer, and more spacious work place. Thus, QWL is a comprehensive construct that includes an individual's job-related wellbeing and the extent to which work experience is rewarding, fulfilling and devoid of stress, psychological disorders (better mental health) and other negative personal consequences. According to the World Health Organisation (Anonymous, 2001), "mental health problems and stress-related disorders are the biggest overall cause of early death in Europe". Some of the root causes of this morbidity and mortality are related to living and working conditions that are accessible to preventive and therapeutic interventions, individuals as well as collective ones. According to the results of a study by Markham (2010), "The prediction of employees, mental health by means of their QWL" it was evident that QWL variables and more specifically lack of meaningfulness, are predictors of employees' mental health; and work and time pressure, skill discretion and role ambiguity are predictors of employees' general health, somatic symptoms and anxiety.Self-esteem is a basic human need and for which we constantly strive. QWL is so vast a concept that it encompasses the whole chain of a person's various needs. QWL was conceptualised in terms of need satisfaction stemming from an interaction of workers' needs (survival, security, social, self-esteem, and self-actualisation) and organisational resources (Sirgy et al., 2001).As Rhoades and Eiesenberger (2002) stated, nowadays people not only work for physiological need, but also and most importantly work for non-material needs such as selfesteem and self-actualisation needs in the form of growth and achieving career goals. The results suggest that QWL should be taken into account in order to improve mental health status and self-esteem of employees.On numerous occasions it has been suggested that an individual's self-esteem, formed around work and organisational experiences, plays a significant role in determining employee motivation, work-related attitudes, and behaviours. We review more than a decade of research on an organisation-based conceptualisation of self-esteem. It is observed that sources of organisational structure, working environment structure, signals about worth from the organisation, as well as, success-building role conditions predict organisation-based self-esteem. In addition, OBSE is related to job satisfaction, organisational commitment, motivation, citizenship behaviour, in-role performance, and turnover intentions, as well as, other important organisation-related attitudes and behaviours (Pierce and Gardner, 2004).The aim of this s...
