Mean, SD and quartiles of parental age and infants' characteristics
| Mean | St. Dev | Q. 25th | Q. 50th | Q. 75th | |
|---|---|---|---|---|---|
| Average age of the mother (years) | 34.27 | 4.1 | 32 | 34 | 37 |
| Average age of the partner (years) | 37.44 | 5.6 | 33 | 36 | 41 |
| Gestational age | 32 + 1 | 2 + 6 | 30 + 1 | 32 + 6 | 34 + 1 |
| Infant birth weight (kg) | 1.667 | 0.547 | 1.285 | 1.630 | 2.048 |
| Infant length of hospital stay (days) | 32 | 24 | 15 | 25 | 39 |
| Mean | St. Dev | Q. 25th | Q. 50th | Q. 75th | |
|---|---|---|---|---|---|
| Average age of the mother (years) | 34.27 | 4.1 | 32 | 34 | 37 |
| Average age of the partner (years) | 37.44 | 5.6 | 33 | 36 | 41 |
| Gestational age | 32 + 1 | 2 + 6 | 30 + 1 | 32 + 6 | 34 + 1 |
| Infant birth weight (kg) | 1.667 | 0.547 | 1.285 | 1.630 | 2.048 |
| Infant length of hospital stay (days) | 32 | 24 | 15 | 25 | 39 |
Source(s): Authors’ own work
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