Table 1 Families' structure included in this study
Parents | 2-sibs (No. of sib-pairs) | 3-sibs (No. of sib-pairs) | 4-sibs (No. of sib-pairs) | total |
|---|---|---|---|---|
0 | 10 (10) | 1 (3) | 0 | Â |
1 | 15 (15) | 0 | 0 | Â |
2 | 38 (38) | 11 (33) | 2 (12) | Â |
total | 63 (63) | 12 (36) | 2 (12) | 77 (111) |
Parents | 2-sibs (No. of sib-pairs) | 3-sibs (No. of sib-pairs) | 4-sibs (No. of sib-pairs) | total |
|---|---|---|---|---|
0 | 10 (10) | 1 (3) | 0 | Â |
1 | 15 (15) | 0 | 0 | Â |
2 | 38 (38) | 11 (33) | 2 (12) | Â |
total | 63 (63) | 12 (36) | 2 (12) | 77 (111) |