Table 3 Familial correlations from combined data.
|  |  | 1971 – 1975 |  |  | 1984–1987 |  |  |
|---|---|---|---|---|---|---|---|
Component | Relationship | N (pairs) | Corr. | 95% CI | N (pairs) | Corr. | 95% CI |
Plasma Total Cholesterol | Sibling | 2522 | 0.26 | (0.21, 0.32) | 1595 | 0.25 | (0.18, 0.32) |
| Â | Parent-Child | 2225 | 0.21 | (0.16, 0.27) | 1005 | 0.14 | (0.06, 0.21) |
| Â | Avuncular | 1527 | 0.05 | (-0.02, 0.13) | 676 | 0.00 | (-0.09, 0.10) |
| Â | Cousin | 1566 | 0.03 | (-0.06, 0.11) | 948 | -0.04 | (-0.13, 0.05) |
| Â | Spousal | 302 | 0.19 | (0.08, 0.30) | 127 | 0.13 | (-0.04, 0.30) |
HDL Cholesterol | Sibling | Â | Â | Â | 1588 | 0.27 | (0.20, 0.34) |
| Â | Parent-Child | Â | Â | Â | 999 | 0.24 | (0.16, 0.31) |
| Â | Avuncular | Â | Â | Â | 671 | 0.13 | (0.02, 0.23) |
| Â | Cousin | Â | Â | Â | 940 | 0.06 | (-0.04, 0.17) |
| Â | Spousal | Â | Â | Â | 126 | 0.07 | (-0.11, 0.25) |
Systolic Blood Pressure | Sibling | 2576 | 0.18 | (0.13, 0.24) | 1756 | 0.17 | (0.11, 0.23) |
| Â | Parent-Child | 2278 | 0.07 | (0.02, 0.12) | 1287 | 0.06 | (-0.01, 0.12) |
| Â | Avuncular | 1573 | 0.04 | (-0.02, 0.10) | 857 | 0.08 | (0.00, 0.16) |
| Â | Cousin | 1591 | -0.05 | (-0.12, 0.01) | 1017 | -0.05 | (-0.12, 0.03) |
| Â | Spousal | 306 | 0.07 | (-0.04, 0.19) | 167 | 0.18 | (0.03, 0.33) |
Body Mass Index | Sibling | 2580 | 0.25 | (0.19, 0.31) | 1675 | 0.24 | (0.18, 0.30) |
| Â | Parent-Child | 2274 | 0.21 | (0.16, 0.26) | 1196 | 0.17 | (0.10, 0.24) |
| Â | Avuncular | 1574 | 0.01 | (-0.06, 0.08) | 808 | 0.03 | (-0.06, 0.12) |
| Â | Cousin | 1598 | -0.03 | (-0.11, 0.04) | 963 | 0.01 | (-0.08, 0.10) |
| Â | Spousal | 303 | 0.16 | (0.05, 0.27) | 160 | 0.34 | (0.20, 0.47) |