Table 2.
Cross-twin correlations and ACE estimates for sensitivity and personality measures.
| Cross-twin correlations | ACE variance components (95% CI) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MZ | DZ | MZM | DZM | MZF | DZF | DZOS | A | C | E | |
| ES | 0.47 (0.41, 0.53) | 0.24 (0.18, 0.30) | 0.53 (0.42, 0.61) | 0.24 (0.10, 0.37) | 0.45 (0.36, 0.52) | 0.26 (0.14, 0.36) | 0.22 (0.14, 0.30) | 0.47 (0.30, 0.53) | 0.00 (0.00, 0.13) | 0.53 (0.47, 0.59) |
| EOE | 0.42 (0.32, 0.49) | 0.22 (0.15, 0.27) | 0.48 (0.36, 0.58) | 0.35 (0.22, 0.46) | 0.40 (0.30, 0.48) | 0.27 (0.15, 0.38) | 0.14 (0.06, 0.23) | 0.42 (0.23, 0.48) | 0.01 (0.00, 0.14) | 0.58 (0.52, 0.65) |
| AES | 0.39 (0.32, 0.46) | 0.13 (0.09, 0.20) | 0.42 (0.30, 0.51) | 0.04 (−0.10, 0.17) | 0.37 (0.27, 0.45) | 0.19 (0.07, 0.29) | 0.15 (0.06, 0.24) | 0.36 (0.25, 0.42) | 0.00 (0.00, 0.07) | 0.64 (0.58, 0.71) |
| LST | 0.41 (0.34, 0.48) | 0.19 (0.13, 0.25) | 0.48 (0.36, 0.58) | 0.26 (0.12, 0.39) | 0.39 (0.27, 0.47) | 0.25 (0.13, 0.35) | 0.13 (0.04, 0.22) | 0.41 (0.27, 0.47) | 0.00 (0.00, 0.00) | 0.59 (0.53, 0.65) |
| NEU | 0.33 (0.21, 0.43) | 0.12 (0.00, 0.23) | 0.30 (0.01, 0.50) | 0.19 (−0.05, 0.40) | 0.34 (0.21, 0.45) | 0.13 (−0.09, 0.33) | 0.08 (−0.09, 0.24) | 0.31 (0.08, 0.41) | 0.00 (0.00, 0.18) | 0.69 (0.59, 0.79) |
| OPEN | 0.40 (0.29, 0.50) | 0.07 (−0.04, 0.19) | 0.32 (0.09, 0.51) | 0.04 (−0.20, 0.26) | 0.43 (0.30, 0.54) | 0.13 (−0.06, 0.31) | 0.06 (−0.12, 0.23) | 0.35 (0.24, 0.45) | 0.00 (0.00, 0.00) | 0.65 (0.55, 0.76) |
| CONS | 0.32 (0.19, 0.43) | 0.04 (−0.07, 0.15) | 0.11 (−0.12, 0.33) | 0.01 (−0.27, −0.28) | 0.42 (0.27, 0.53) | 0.03 (−0.14, 0.20) | 0.06 (−0.12, 0.23) | 0.26 (0.10, 0.37) | 0.00 (0.00, 0.11) | 0.74 (0.63, 0.85) |
| EXT | 0.35 (0.24, 0.45) | 0.24 (0.12, 0.35) | 0.25 (0.02, 0.44) | 0.20 (−0.08, 0.43) | 0.39 (0.26, 0.50) | −0.08 (−0.31, 0.17) | 0.39 (0.25, 0.51) | 0.22 (0.00, 0.45) | 0.13 (0.00, 0.35) | 0.65 (0.54, 0.76) |
| AGR | 0.27 (0.14, 0.38) | 0.09 (−0.03, 0.20) | 0.15 (−0.09, 0.36) | 0.02 (−0.26, 0.29) | 0.32 (0.17, 0.45) | 0.09 (−0.07, 0.24) | 0.12 (−0.08, 0.29) | 0.25 (0.01, 0.35) | 0.00 (0.00, 0.17) | 0.75 (0.65, 0.87) |
CIs not including 0 indicate significant estimates and non-overlapping CIs indicate significant difference between the estimates; twin correlations represent variables corrected for age and sex.
ES Environmental Sensitivity, EOE ease of excitation, AES aesthetic sensitivity, LST low sensory threshold, NEU neuroticism, OPEN openness, CONS conscientiousness, EXT extraversion, AGREE agreeableness, MZ monozygotic twins, DZ dizygotic twins, MZM monozygotic male twins, MZF monozygotic female twins, DZM dizygotic male twins, DZF dizygotic female twins, DZOS dizygotic opposite sex twins, CI 95% confidence interval, A additive genetic influences, C shared environmental influences, E non-shared environmental influences.