TABLE 2.
Sibling information.
| Variables | Percent or Mean/SD |
| Sibship size | |
| Only child (ref.) | 44.25 |
| Child with 1 sibling | 42.00 |
| Child with 2 + siblings | 13.76 |
| Birth order | |
| Only child (ref.) | 44.25 |
| Firstborn | 27.03 |
| Middleborn | 5.32 |
| Lastborn | 23.40 |
| Younger brothers | |
| Only child (ref.) | 44.25 |
| Without younger brother(s) | 26.08 |
| With younger brother(s) | 21.66 |
| Missing | 8.01 |
| Younger sisters | |
| Only child (ref.) | 44.25 |
| Without younger sister(s) | 31.64 |
| With younger sister(s) | 14.13 |
| Missing | 9.98 |
| Older brothers | |
| Only child (ref.) | 44.25 |
| Without older brother(s) | 34.37 |
| With older brother(s) | 10.77 |
| Missing | 10.62 |
| Older sisters | |
| Only child (ref.) | 44.25 |
| Without older sister(s) | 27.01 |
| With older sister(s) | 20.24 |
| Missing | 8.50 |
| Total number of children in the family | 1.74/0.82 |