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Table 2.
Number of family members per family included in the study
| Number of family members | Families, n | Children in the families, n |
|---|---|---|
| 2 | 199 | 199 |
| 3 | 218 | 315 |
| 4 | 150 | 297 |
| 5 | 29 | 85 |
| 6 | 9 | 35 |