Personality scores for the five factors Neuroticism, Extraversion, Openness to Experience, Agreeableness, and Conscientiousness were based on the 60 items of the NEO Five-Factor Inventory (NEO-FFI) (12 items per factor).1 Items were answered on a 5-point Likert-type scale ranging from strongly disagree (0) to strongly agree (4). In the SardiNIA, BSLA, Germany and Cilento studies, these items were taken from the 240-item NEO-PI-R 1. In the QIMR study, the 60 items were taken from the 240-item NEO-PI-R for part of the sample; the remaining subjects filled in the 60-item NEO-FFI.1 In the NTR, NESDA, ERF, SAGE, HBCS, NAG/IRPG and LBC1936 studies, personality was assessed using the 60-item NEO-FFI. In the Estonian study samples, the 60 NEO-FFI items 59 were taken from the NEO-PI-3.54,60
