Predictive performance (area under the curve, AUC) of work engagement (UWES) and psychological distress (K6) for the onset of major depressive episode by the follow-up years: Estimated by survival Receiver Operating Characteristics (ROC) curve.

<p>Predictive performance (area under the curve, AUC) of work engagement (UWES) and psychological distress (K6) for the onset of major depressive episode by the follow-up years: Estimated by survival Receiver Operating Characteristics (ROC) curve.</p

Characteristics of 929 respondents employed for an information systems developing company in Japan who did not have major depressive episode or receive mental health care in the past year.

<p>Characteristics of 929 respondents employed for an information systems developing company in Japan who did not have major depressive episode or receive mental health care in the past year.</p

Relative risks (hazard ratios, HRs) of major depressive episode (MDE) during three-year follow-up associated with work engagement and psychological distress at baseline among 929 employees of an information systems developing company in Japan who did not have MDE in the past year or never received mental health care^†.

<p>Relative risks (hazard ratios, HRs) of major depressive episode (MDE) during three-year follow-up associated with work engagement and psychological distress at baseline among 929 employees of an information systems developing company in Japan who did not have MDE in the past year or never received mental health care<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0148157#t003fn001" target="_blank">^†</a>.</p

Participant flow diagram.

<p>Participant flow diagram.</p

Relative risks (hazard ratios, HRs)^† of major depressive episode (MDE) during three-year follow-up associated with work engagement or psychological distress at baseline among 929 employees of an information systems developing company in Japan who did not have MDE in the past year or never received mental health care.

<p>Relative risks (hazard ratios, HRs)<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0148157#t002fn001" target="_blank">^†</a> of major depressive episode (MDE) during three-year follow-up associated with work engagement or psychological distress at baseline among 929 employees of an information systems developing company in Japan who did not have MDE in the past year or never received mental health care.</p

Association between workaholism and depressive mood (N = 3,899).

<p>OR: Odds Ratio; CI: Confidence Interval.</p

Association between workaholism and sickness absence except that due to physical injuries (N = 3,899).

<p>OR: Odds Ratio; CI: Confidence Interval.</p

Sample characteristics (N = 3,899).

<p>SD, standard deviation.</p

Association between workaholism and disabling back pain (N = 3,899).

<p>OR: Odds Ratio; CI: Confidence Interval.</p

Demographic variables by workaholism (N = 3,899).

<p>*P-values were calculated by Chi-square test.</p