Construct	Item Code	Correspondent statement
Employee engagement (Schaufeli et al., 2006)	EE1	I feel bursting with energy at work.
	EE2	I feel strong and vigorous at work.
	EE3	When I get up in the morning, I want to go to work.
	EE4	I am enthusiastic about my work.
	EE5	My work inspires me.
	EE6	I am proud of my work.
	EE7	When I work hard, I feel happy.
	EE8	I am immersed in my work.
	EE9	I get carried away when I am working.
Work-life balance (Hayman, 2005)	WLB1	There is enough time for recreation activities
	WLB2	I do not need to work overtime as I use to finish work within working hours
	WLB3	I have enough time for my family and friends
	WLB4	I value the social benefits that the company offers me
Psychological empowerment (Spreitzer, 1995)	Meaning	PE1	The work I do is very important to me
		PE2	My job activities are personally meaningful to me
		PE3	The work I do is meaningful to me
	Competence	PE4	I am confident about my ability to do my job
		PE5	I am self-assured about my capabilities to perform my work activities
		PE6	I have mastered the skills necessary for my job
	Impact	PE7	My impact on what happens in my department is large
		PE8	I have a great deal of control over what happens in my department
		PE9	I have significant influences over what happens in my department
	Self Determination	PE10	I can decide on my own how to go about doing my work
		PE11	I have considerable opportunity for independence and freedom in how I do my job
		PE12	I can decide for myself how to organize my work
Innovative work behavior (Ma Prieto and Pérez-Santana, 2014)	IWB1	I show innovative and creative behaviors
	IWB2	I am able to take the risk of being innovative and creative
	IWB3	I am able to search for new working methods, techniques or instruments
	IWB4	I am able to anticipate problems and opportunities