Table 4. Association of standardised leadership scale items with incident IHD among employees with a minimum 4-year exposure.

Items		Participants, n (events, n)	Age-adjusted hazard ratio for IHD per 1 SD increase in leadership score (95% CI)
1. My boss gives me the information I need		1463 (44)	0.65 (0.50 to 0.83)
2. My boss is good at pushing through and carrying out changes		1441 (44)	0.61 (0.45 to 0.81)
3. My boss explains goals and subgoals for our work so that I understand what they mean for my particular part of the task		1453 (44)	0.61 (0.46 to 0.79)
4. I have a clear picture of what my boss expects of me		1454 (44)	0.77 (0.59 to 1.01)
5. My boss shows that he/she cares how things are for me and how I feel		1455 (44)	0.71 (0.54 to 0.93)
6. I have sufficient power in relation to my responsibilities		1442 (44)	0.64 (0.48 to 0.84)
7. My boss takes the time to become involved in his/her employees’ professional development		1447 (44)	0.69 (0.51 to 0.92)
8. My boss encourages my participation in the scheduling of my work		1446 (44)	0.84 (0.63 to 1.12)
9. I am praised by my boss if I have done something good		1452 (44)	0.55 to 0.97)
10. I am criticised by my boss if I have done something that is not good		1452 (44)	1.03 (0.77 to 1.38)

Response format: 1: “No, never”; 2: “No, seldom”; 3: “Yes, sometimes”; 4: “Yes, often”. Internal consistency (Cronbach α) = 0.86. IHD, ischaemic heart disease.