Table 2.
Participant and Infant Demographic Information
| Characteristic | U.S (%) | Finland (%) |
|---|---|---|
| Gestational Age | ||
| 23–27 | 7 (63.6) | 7 (63.6) |
| 28–32 | 4 (36.4) | 4 (36.4) |
| Maternal Age at Birth | ||
| 20–24 | 1 (14.3) | 0 (0) |
| 25–29 | 2 (28.5) | 3 (37.5) |
| 30–34 | 3 (42.8) | 1 (12.5) |
| 35–39 | 0 (0) | 3 (37.5) |
| 40–44` | 1 (14.3) | 1 (12.5) |
| Multiples | ||
| Twins | 2 (18.2) | 3 (27.2) |
| Triplets | 1 (0.10) | 0 (0) |
| Parity | ||
| Priamparous | 5 (71.5) | 3 (37.5) |
| Multiparous | 2 (28.5) | 4 (50.0) |
| Grand Multiparous | 0 (0) | 1 (12.5) |
| Birth Method | ||
| Vaginal | 3 (42.8) | 5 (62.5) |
| C-Section | 4 (57.1) | 3 (37.5) |
| Education | ||
| High School | 2 (28.5) | 3 (37.5) |
| Two or Four Year College | 3 (42.8) | 4 (50.0) |
| Graduate | 2 (28.5) | 1 (12.5) |
*The U.S. sample contains 7 families and a total of 11 infants. The Finnish sample contains 8 families and a total of 11 infants