Table 1.
Maternal and infant demographic and clinical characteristics
| Antenatally depressed (n = 29) | Non-depressed (n = 29) | Group differences Statistic (p value) |
|
|---|---|---|---|
| Infant demographics mean (s.d.) | |||
| Age at MRI (days) | 148 (40) | 151 (39) | t = −0.24, p = 0.81 |
| Gestational age at birth (weeks) | 39.7 (2.1) | 39.6 (1.9) | t = 0.12, p = 0.90 |
| Birth weight (grams) | 3416 (527) | 3315 (703) | t = 0.61, p = 0.55 |
| Weight at MRI (grams) | 7310 (1175) | 7223 (1397) | t = 0.26, p = 0.80 |
| Gender; n (%) male | 17 (59) | 17 (59) | χ2 = 0.00, p = 1.00 |
| Maternal demographics mean (s.d.) | |||
| Age (years) | 32.5 (4.2) | 33.2 (4.6) | t = −0.57, p = 0.57 |
| Educational level n (%) | |||
| GCSE and A-Levels | 7 (24.1) | 2 (6.9) | χ2 = 3.56, p = 0.19 |
| Vocational college | 3 (10.3) | 3 (10.3) | |
| Higher education | 19 (65.5) | 24 (82.8) | |
| On antidepressant treatment n (%) | |||
| Pregnancy | 13 (44.8) | 0 (0) | χ2 = 16.76, p < 0.001 |
| Postnatal | 15 (51.7) | 1 (3.4) | χ2 = 16.92, p < 0.001 |
| BDI score* mean (s.d.) | |||
| Prenatal BDI (32 weeks) | 25.6 (12.7) | 7.5 (4.0) | t = 6.90, p < 0.001 |
| Breastfeeding n (%) | |||
| Yes | 21 (72) | 23 (79) | χ2 = 1.40, p = 0.238 |
| Marital status n (%) | |||
| Single (no partner) | 4 (14) | 1 (4) | χ2 = 4.40, p = 0.222 |
| Single (with partner) | 4 (14) | 1 (4) | |
| Cohabiting | 6 (21) | 7 (24) | |
| Married | 15 (52) | 20 (69) | |
s.d., standard deviation; GCSE, General Certificate of Secondary Education; A-Levels, General Certificate of Education Advanced Level; Higher Education, undergraduate and postgraduate degree; BDI, Beck Depression Inventory *(0–13: minimal depression; 20–28: moderate depression).