Years at current workplace prior to survey (years)* | Men, n | Risk for incident IHD (including unstable angina)† per 1 SD increase in leadership score | Risk for incident IHD (excluding unstable angina)‡ per 1 SD increase in leadership score | ||
Events, n | Hazard ratio (95% CI) | Events, n | Hazard ratio (95% CI) | ||
Any amount of years | 3122 | 74 | 0.80 (0.64 to 0.99) | 54 | 0.79 (0.62 to 1.02) |
At least 1 year | 2423 | 63 | 0.76 (0.61 to 0.96) | 44 | 0.72 (0.55 to 0.94) |
At least 2 years | 2012 | 58 | 0.77 (0.61 to 0.97) | 40 | 0.73 (0.55 to 0.97) |
At least 3 years | 1768 | 51 | 0.69 (0.54 to 0.88) | 34 | 0.66 (0.49 to 0.88) |
At least 4 years | 1468 | 44 | 0.61 (0.47 to 0.80) | 29 | 0.55 (0.40 to 0.77) |
Age-adjusted hazard ratio is per 1 SD increase in standardised leadership index score (mean 0, SD 1).
*Based on Statistic Sweden records (the number of years the participant had worked in the workplace prior to filling out the leadership questionnaire).
†Includes acute myocardial infarction (ICD-10: I21) or unstable angina (ICD-10: I20.0) necessitating hospitalisation or death from ischaemic heart disease (ICD-10:I20–I25) or cardiac arrest (ICD-10: I46).
‡Includes acute myocardial infarction (ICD-10: I21) necessitating hospitalisation or death from ischaemic heart disease (ICD-10: I20–I25) or cardiac arrest (ICD-10: I46).
IHD, ischaemic heart disease.