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. 2018 Mar 22;9:378. doi: 10.3389/fpsyg.2018.00378

Table 1.

Zero-order correlations and descriptive statistics (M, SD) of the variables in the study.

Variable M SD 1 2 3 4 5 6 7 8 9 10 11 12
(1) PSQ index 0.17 0.12 1
(2) Past Positive 3.60 0.51 –0.24*** 1
(3) Past Negative 2.29 0.60 0.54*** –0.21*** 1
(4) Present Hedonistic 2.91 0.44 0.04 0.27*** 0.19** 1
(5) Present Fatalistic 2.53 0.53 0.30*** 0.06 0.40*** 0.36*** 1
(6) Future Positive 3.25 0.44 0.09 0.19** 0.19*** 0.02 –0.07 1
(7) Future Negative 2.51 0.56 0.58*** –0.03 0.65*** 0.17** 0.44*** 0.34*** 1
(8) DBTP 2.17 0.51 0.36*** –0.59*** 0.48*** –0.28*** 0.47*** –0.14* 0.30*** 1
(9) DBTP-E 2.34 0.57 0.48*** –0.55*** 0.57*** –0.18*** 0.55*** –0.22*** 0.48*** 0.90** 1
(10) Sex (f = 1, m = 0) 0.10 0.01 0.02 0.03 0.14* –0.04 0.11* 0.03 0.08 1
(11) Age 72.71 6.33 0.07 0.06 0.16** –0.01 0.26*** 0.01 0.16** 0.14** 0.19*** 0.03 1
(12) COMT (Val/Val = 1)a 0.11* –0.06 0.10 0.01 –0.03 –0.01 0.11* 0.01 0.05 0.00 0.03 1

p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001. f = female, m = male, aMet = 0.