TABLE 5.
Bivariate Estimates of Genetic and Environmental Variance, and Genetic and Environmental Correlations (and 95% Confidence Intervals) for Attentional Control and Anxiety Variables
| Variance Components
|
Genetic and Environmental Correlations
|
|||||
|---|---|---|---|---|---|---|
| a2 | c2 | e2 | rg | re | ||
| 1. Attentional control and generalized anxiety | ||||||
| Attentional control | .55 (.42; .65) | – | .45 (.35; .58) | Attentional control–generalized anxiety | −.41 (−.56; −.26) | −.31 (−.44; −.16) |
| Overlap | .10 (.04; .19) | – | .04 (.01; .09) | |||
| Generalized anxiety | .48 (.38; .57) | – | .38 (.30; .47) | |||
| 2. Attentional control and obsessive-compulsive anxiety | ||||||
| Attentional control | .55 (.43; .65) | – | .45 (.35; .57) | Attentional control–obsessive-compulsive anxiety | −.36 (−.50; −.23) | – |
| Overlap | .06 (.03; .12) | – | – | |||
| Obsessive-compulsive anxiety | .42 (.30; .52) | – | .52 (.42; .64) | |||
| 3. Attentional control and separation anxiety | ||||||
| Attentional control | .54 (.41; .64) | – | .46 (.36; .59) | Attentional control–separation anxiety | −.47 (−.77; −.28) | −.24 (−.38; −.09) |
| Overlap | .10 (.03; .19) | – | .02 (.35; .58) | |||
| Separation anxiety | .33 (.09; .55) | .21 (.03;.38) | .34 (.26; .44) | |||
| 4. Attentional control and social anxiety | ||||||
| Attentional control | .55 (.43; .65) | – | .45 (.35; .57) | Attentional control–social anxiety | −.42 (−.54; −.29) | – |
| Overlap | .10 (.05; .17) | – | – | |||
| Social anxiety | .47 (.35; .57) | – | .43 (.34; .54) | |||
Note. a2 = genetic variance; c2 = shared environmental variance; e2 = nonshared environmental variance; rg = genetic correlation; re = nonshared environmental correlation. Overlap refers to genetic and environmental variance that is shared by attentional control and the anxiety variables.