| Siblings | Frequency | Percent | Valid percent | Cumulative percent |
| One sibling | 1 | 12.5 | 12.5 | 12.5 |
| Two siblings | 1 | 12.5 | 12.5 | 25.0 |
| Three siblings | 2 | 25.0 | 25.0 | 50.0 |
| Four siblings | 3 | 37.5 | 37.5 | 87.5 |
| Five siblings | 1 | 12.5 | 12.5 | 100.0 |
| Total | 8 | 100.0 | 100.0 |
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