Table 5 Sidak post hoc pairwise comparisons of NEO PI-R domains: effect sizes and power.
NEO-PI-R dimension | Comparison | Mean difference | Std. error | p-value | Cohen’s d [95% CI] | Statistical power (%) |
|---|---|---|---|---|---|---|
Neuroticism | OUD vs. HC | 18.61* | 3.30 | < 0.001 | 0.91 [0.51, 1.31] | 99.9 |
OUD vs. AUD | 13.09* | 3.30 | < 0.001 | 0.61 [0.22, 0.99] | 92.1 | |
AUD vs. HC | 5.52 | 3.30 | 0.261 | 0.27 [-0.11, 0.65] | 23.9 | |
Extraversion | OUD vs. HC | 4.75 | 2.73 | 0.229 | 0.29 [-0.09, 0.67] | 27.8 |
OUD vs. AUD | 9.79* | 2.73 | 0.001 | 0.57 [0.18, 0.96] | 88.2 | |
AUD vs. HC | -5.04 | 2.73 | 0.185 | -0.28 [-0.66, 0.10] | 26.3 | |
Openness to experience | OUD vs. HC | 9.32* | 2.83 | 0.003 | 0.53 [0.14, 0.91] | 82.4 |
OUD vs. AUD | 5.96 | 2.83 | 0.105 | 0.34 [-0.04, 0.72] | 40.6 | |
AUD vs. HC | 3.36 | 2.83 | 0.555 | 0.18 [-0.10, 0.56] | 10.3 | |
Agreeableness | OUD vs. HC | -12.09* | 2.34 | < 0.001 | -0.87 [-1.27, -0.48] | 99.9 |
OUD vs. AUD | -11.00* | 2.34 | < 0.001 | -0.71 [-1.10, -0.32] | 98.0 | |
AUD vs. HC | -1.08 | 2.34 | 0.954 | 0.07 [-0.45, 0.30] | 2.9 | |
Conscientiousness | OUD vs. HC | -15.64* | 3.16 | < 0.001 | -0.83 [-1.22, -0.43] | 99.7 |
OUD vs. AUD | -13.02* | 3.16 | < 0.001 | -0.65 [-1.04, -0.26] | 95.4 | |
AUD vs. HC | -2.61 | 3.16 | 0.793 | -0.13 [-0.51, 0.25] | 5.9 |
