Table 3 Schedule of process and research outcome measures

 Long-term sickness absence data for the past 12 months

Reports review

X

 Frameworks (sickness absence policy, return-to-work policy, mental health training and support)

Policy review

X

 Number of workers on (a) sick leave (≥ 8 days) and their reasons and (b) that employers have contacted to take part in the study (until the end of the study)

Checklist

X

X

X

X

X

 Number of persons responsible for managing the sick leave and return to work (a) consenting to take part and (b) attending the training

Checklist

X

 Toolkit use

Volute records and interview

X

X

 Feasibility and acceptability of intervention

Interview

X

 Toolkit use

Interview

X

 Workers sick leave

Self-reported number of days

x

 Depression

Patient Health Questionnaire- 9

X

X

X

 Anxiety

General Anxiety Disorder-7

X

X

X

 Sick leave duration

Number of days on sick leave

X

X

X

 Self-efficacy to RTW

11-item Return-to-work Self-Efficacy Scale

X

X

X

 Readiness to RTW

13-item Readiness to Return to work

X

X

X

 Readiness to stay at work

9-item Readiness to Stay at Work Scale

X

X

X

 Workplace communication

6-item Workplace Health Communication Scale

X

X

X

 Work productivity

Work Productivity and Activity Impairment: General Health v2.0 (WPAI:GH)

X

X

 Job satisfaction

A 1-item job satisfaction scale

X

X

X

 Intention to use toolkit

4-item Toolkit Use at coaching session

X

X

X

 Health related quality of life

Euro-QOL — five-dimension scale

X

X

X

 Demographics

Self-reported questionnaire

X

 RTW actions

Adaptation of the line manager behaviour questionnaire

X

X

X

 Mental health experience

1-item questionnaire

X

 Sickness absence management training

1-item questionnaire

X

 LTSA and RTW management experience

1-item questionnaire

X

 Demographics

Self-reported questionnaire

X

 Actions to support RTW

The measure for supervisors to support return to work (SSRW)

X