Table 2.
Familial correlation coefficients and significant levels for testing the null hypothesis among the various familial pairs in the studied family members.
| Pairs | Numbers | Coefficients | P value |
| Spouse | 162 | 0.254 | 0.001 |
| Parent-offspring | 889 | 0.294 | 0.000 |
| Sibling | 427 | 0.169 | 0.000 |
| Grandparent-child | 287 | 0.179 | 0.002 |
| Mother-daughter | 220 | 0.254 | 0.000 |
| Mother-son | 252 | 0.379 | 0.000 |
| Father-daughter | 205 | 0.084 | 0.231 |
| Father-son | 212 | 0.356 | 0.000 |
| Sister-sister | 131 | 0.136 | 0.121 |
| Sister-brother | 209 | 0.162 | 0.019 |
| Brother-brother | 87 | 0.208 | 0.053 |