TABLE 2.
Pearson’s correlations between sociodemographic variables, personality traits, and cortisol indexes.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| Age (1) | – | – | – | – | – | – | – | – | – | – | – | – |
| Sex (2) | 0.06 | – | – | – | – | – | – | – | – | – | – | – |
| SES (3) | 0.01 | 0.34** | – | – | – | – | – | – | – | – | – | – |
| IMC (4) | 0.02 | −0.00 | −0.22# | – | – | – | – | – | – | – | – | – |
| Awakening hour (5) | −0.26* | 0.01 | −0.00 | −0.00 | – | – | – | – | – | – | – | – |
| Medication (6) | −0.05 | −0.11 | −0.03 | 0.03 | 0.22# | – | – | – | – | – | – | – |
| Neuroticism (7) | −0.03 | −0.29** | −0.24* | 0.24* | −0.20# | −0.14 | – | – | – | – | – | – |
| Conscientiousness (8) | 0.06 | 0.13 | 0.25* | −0.22# | 0.04 | 0.22# | −0.46** | – | – | – | – | – |
| Extraversion (9) | −0.11 | −0.10 | 0.12 | −0.01 | 0.08 | 0.16 | −0.42** | 0.28* | – | – | – | – |
| Openness (10) | −0.05 | −0.10 | −0.05 | −0.03 | −0.12 | 0.11 | 0.09 | 0.03 | 0.17 | – | – | – |
| Agreeableness (11) | 0.05 | −0.24* | −0.21# | −0.07 | −0.25* | 0.06 | −0.14 | 0.15 | 0.13 | 0.19# | – | – |
| CAR (12) | 0.01 | −0.17 | −0.07 | 0.00 | −0.17 | −0.10 | 0.28* | −0.19# | −0.16 | −0.12 | 0.05 | – |
| DCS (13) | 0.11 | −0.09 | −0.03 | 0.17 | −0.28* | 0.02 | 0.37** | −0.35** | −0.11 | −0.12 | −0.10 | 0.28* |
SES, socioeconomic status; BMI, body mass index; CAR, cortisol awakening response; DCS, diurnal cortisol slope. #p < 0.10, *p < 0.05, **p < 0.01.