Table 1.

Construct groupings

General construct	Synthetic construct	Operationalisation
Motivational	Job satisfaction	Satisfaction with current work situation General work satisfaction Job satisfaction
	Work motivation	Work motivation Intrinsic motivation Meaningful work
	Affective commitment	Affective commitment
	Self-efficacy	Self-efficacy
	Engagement	Work engagement Extra effort Job involvement
Self and career evaluation	Attitudes toward retirement	Remaining time at work Desired retirement age Retirement attitudes Retirement preparation
	Career success	Career success
	Self-control	Self-control
Personal	Wellbeing	Life satisfaction General wellbeing
	Job strain	Stress Burnout
	Health	Health
Relational	Relational	Sense of belonging Intergenerational contact Networks Social satisfaction Knowledge sharing
Extra role behaviour	Extra role behaviour	Organisational citizenship behaviour Employee water and energy saving behaviour