“…Year Significant independent variables Insignificant independent variables Snyder et al 1986 high level of educationǹ(0.1%), length of tenureǹ(0.1%) satisfaction with: #promotions(0.1%), organisational commitment(1%), perceived role conflictǹ(0.1%) age, supervisory status, job satisfaction, satisfaction with pay, satisfaction with supervision, satisfaction with co-workers, role ambiguity, perceived degree of personal competence Van den Berg & Groot 1992 maleǹ(1%), non-Dutch(10%), ageǹ(1%), tenure/100ǹ(5%), tenure squared/1000(10%), educational levelǹ(1%), church(10%), father white-collarǹ(5%), commercial occupationǹ(5%), caring professionǹ(10%), educational professionǹ(1%), company size/1000ǹ(5%), civil servantǹ(1%), repetitive work5%), heavy workǹ(1%), irregular workǹ(1%), dirty workǹ(1%), part-time work(1%), temporary work(5%), perceived level of unemploymentǹ(5%), expecting to be made redundantǹ(5%), wage rateǹ(1%), wage rate squared(1%), satisfaction with pay(5%), being located in the Western region(10%), urbanisation (…”