Table 1.
Infant and paternal demographic characteristics for the total sample (N = 28).
| Demographic characteristics | Total sample |
|---|---|
| Infant demographics | |
| Age at MRI scan (days): mean (±SD) | 144 (30) |
| Gestational age (weeks): mean (±SD) | 40 (2) |
| Birth weight (grams): mean (±SD) | 3374.89 (700.17) |
| Birth order: n (%) | |
| 1st born | 16 (57%) |
| 2nd born | 11 (40% |
| 3rd born | 1 (3%) |
| Infant sex: n (%) | |
| Male | 12 (43%) |
| Female | 16 (57%) |
| Paternal demographics | |
| Age at MRI scan (years): mean (±SD) | 37 (6) |
| Ethnicity: n (%) | |
| White | 23 (82%) |
| Non-white | 5 (18%) |
| Employment status | |
| Employed | 27 (96%) |
| Employed, but on sick leave | 1 (4%) |
| Occupational level: n (%) | |
| Managerial and professional | 17 (61%) |
| Intermediate level occupation | 6 (21%) |
| Routine and manual | 5 (18%) |
SD, standard deviation.