Descriptive statistics and heritability (h2) for demographic and intermediate phenotypes in n = 370 twins evaluated in association studies
| Phenotype | Mean ± S.E.M. | h2 (± S.E.M.)a |
|---|---|---|
| % | ||
| Age (year) | 40.6 ± 0.9 | |
| Body mass index (kg/m2) | 25.0 ± 0.3 | 83.0 ± 2.5 |
| Systolic BP (mm Hg) | 116.8 ± 0.9 | 30.4 ± 7.6 |
| Diastolic BP (mm Hg) | 63.4 ± 0.6 | 34.8 ± 8.5 |
| Plasma catestatin (chromogranin A361–372, nM) | 1.30 ± 0.04 | 64.7 ± 6.2 |
| Plasma chromogranin B439–451 (nM) | 0.39 ± 0.01 | 67.1 ± 5.3 |
| Erythrocyte acetylcholinesterase activity (dA/min/μl) | 42.9 ± 0.4 | 44.3 ± 6.5 |
| Plasma epinephrine (pg/ml) | 21.2 ± 1.3 | 61.4 ± 9.8 |
| Plasma norepinephrine (pg/ml) | 335 ± 11.6 | 55.3 ± 8.0 |
↵a Adjusted for age and sex; scaled from 0 to 100.