Curvilinear relationships between the job demands-resources (JD-R) model, and work engagement: A police service case study

Sukanlaya Sawang, Paula Brough, Jennifer Barbour

Research output: Chapter in Book/Report/Conference proceedingConference proceedingpeer-review


The current study aims to investigate the non-linear relationship between the JD-R model and work engagement. Previous research has identified linear relationships between these constructs; however there are strong theoretical arguments for testing curvilinear relationships (e.g., Warr, 1987). Data were collected via a self-report online survey from officers of one Australian police service (N = 2,626). Results demonstrated a curvilinear relationship between job demands and job resources and engagement. Gender (as a control variable) was also found to be a significant predictor of work engagement. The results indicated that male police officers experienced significantly higher job demands and colleague support than female officers. However, female police officers reported significantly higher levels of work engagement than male officers. This study emphasises the need to test curvilinear relationships, as well as simple linear associations, when measuring psychological health.
Original languageEnglish
Title of host publication8th Industrial Organisational Psychology Conference (IOP)
EditorsPeter Langford, Nicholas Reynolds, James Kehoe
Place of PublicationSydney, Australia
PublisherAustralian Psychological Society
Publication statusPublished - 2009
EventIndustrial & Organisational Psychology Conference - Sydney, Australia
Duration: 25 Jun 200928 Jun 2009
Conference number: 8


ConferenceIndustrial & Organisational Psychology Conference
Abbreviated titleIOP

Bibliographical note

The conference proceedings can be freely downloaded from the publisher's website - see Official URL above.


  • Job Demands-Resources Model
  • Police Service
  • Work Engagement
  • JD-R


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