Table 2.
Comparison of relative relationship scores between the theoretical method and empirical screening data by generations and family members
Generation | Number of other family members | Theoretical method | Empirical screening data | Capture rate (B/A) | ||||||
Types of combination (A) | Range | Mean (SD) | Median | Types of combination (B) | Range | Mean (SD) | Median | |||
First* | 1 | 5 | (1–7) | 3.8 (2.6) | 3.0 | (see second generation) | ||||
2 | 14 | (3–14) | 8.0 (3.4) | 8.0 | 5 | (8–14) | 9.6 (2.6) | 8.0 | 35.7% | |
3 | 30 | (5–21) | 12.3 (4.3) | 12.0 | 10 | (11–21) | 16.2 (2.5) | 15.0 | 33.3% | |
4 | 55 | (7–28) | 16.7 (5.2) | 17.0 | 12 | (14–28) | 22.7 (2.7) | 22.0 | 21.8% | |
5 | 91 | (9–35) | 21.2 (6.1) | 21.0 | 8 | (22–35) | 30.0 (2.8) | 29.0 | 8.8% | |
6 | 140 | (11–42) | 25.6 (7.0) | 25.5 | 9 | (24–42) | 35.2 (5.7) | 36.0 | 6.4% | |
7 | 204 | (13–49) | 30.1 (7.9) | 30.0 | 6 | (33–49) | 44.2 (5.5) | 44.0 | 2.9% | |
8 | 285 | (13–49) | 28.0 (8.4) | 28.0 | 2 | (34–42) | 38.0 (5.7) | 38.0 | 0.7% | |
Second† | 1 | 4 | (1–8) | 5.5 (3.1) | 6.5 | 4 | (1–8) | 3.0 (2.8) | 1.0 | 100.0% |
2 | 9 | (7–16) | 12.0 (3.2) | 13.0 | 6 | (7–16) | 11.3 (3.4) | 12.0 | 66.7% | |
3 | 15 | (13–23) | 18.4 (3.2) | 19.0 | 12 | (13–23) | 17.6 (3.4) | 18.0 | 80.0% | |
4 | 21 | (19–30) | 24.9 (3.3) | 25.0 | 17 | (19–30) | 23.5 (3.2) | 24.0 | 81.0% | |
5 | 27 | (25–37) | 31.3 (3.4) | 31.0 | 20 | (25–35) | 29.5 (3.0) | 29.0 | 74.1% | |
6 | 33 | (31–44) | 37.8 (3.5) | 38.0 | 21 | (31–43) | 35.0 (2.8) | 35.0 | 63.6% | |
7 | 39 | (37–51) | 44.3 (3.6) | 44.0 | 19 | (37–48) | 41.9 (2.6) | 42.0 | 48.7% | |
8 | 45 | (37–50) | 43.2 (3.6) | 43.0 | 7 | (43–51) | 46.3 (2.6) | 45.5 | 15.6% | |
9 | 51 | (37–49) | 42.5 (3.6) | 42.0 | 4 | (51–58) | 53.8 (3.1) | 53.0 | 7.8% | |
Third‡ | 1 | 5 | (1–8) | 4.8 (2.6) | 5.0 | – | – | – | – | |
2 | 14 | (5–16) | 10.1 (3.1) | 10.0 | 2 | (12–13) | 12.5 (0.5) | 12.0 | 14.3% | |
3 | 27 | (9–22) | 15.5 (3.4) | 16.0 | 8 | (13–21) | 19.9 (1.7) | 21.0 | 29.6% | |
4 | 40 | (14–28) | 21.1 (3.5) | 21.0 | 9 | (20–27) | 26.1 (1.3) | 27.0 | 22.5% | |
5 | 49 | (19–34) | 26.7 (3.6) | 27.0 | 6 | (26–33) | 31.9 (1.7) | 33.0 | 12.2% | |
6 | 51 | (20–32) | 25.5 (3.1) | 25.0 | 2 | (33–34) | 33.8 (0.4) | 34.0 | 3.9% |
Parents (X8) not included.
Grandchildren not included.
Offspring not included.