Table 1.
Summary of study variables N = 813
| Assessment period | Measure | |
|---|---|---|
| 20 weeks gestation | Maternal age, years [means(SD)] | 26.87 (5.88) |
| IMDQuintiles (%) | ||
| 1 (most deprived) | 333 (41.0) | |
| 2–5 | 480 (59.0) | |
| Marital status (%) | ||
| Cohabiting | 303 (37.3) | |
| Married | 312 (38.4) | |
| Smoking status (%) | ||
| Pre pregnancy | 158 (19.4) | |
| During pregnancy | 159 (19.6) | |
| Higher education (%)a | 471 (58.0) | |
| Alcohol during pregnancy (%) | 195 (24.0) | |
| General State Anxiety [means(SD)] | 31.61 (10.30) | |
| Pregnancy-specific Anxiety [means(SD)] | 5.63 (3.26) | |
| Birth | Obstetric Risk Weighting [means(SD)] | 2.20 (1.17) |
| Birth weight by gestational age, grams/week [means(SD)] | 84.80 (11.88) | |
| Baby gender, males (%) | 390 (48.0) | |
| 9 weeks postnatal | Mean stroking score [means(SD)] | 3.89 (0.74) |
| 3.5 years postnatal | CBCL internalizing, R score [means(SD)] | 6.65 (5.58) |
| CBCL anxious/depressed, R score [means(SD)] | 1.64 (1.73) | |
| CBCL externalizing, R score [means(SD)] | 9.77 (7.50) | |
| CBCL aggressive behaviors, R score [means(SD)] | 7.70 (6.05) | |
| CBCL attention problems, R score [means(SD)] | 2.06 (1.97) | |
| Maternal depression, EPDS [means(SD)] | 5.21 (4.54) | |
| Age of child, months [means(SD)] | 41.88 (2.36) | |
| Postnatal anxiety [means(SD)]b | 0.045 (0.81) | |
Summaries are given as weighted averages based on the intensive allocation
CBCL Child Behavior Checklist
aContinuing education past 18 years of age
bStandardized mean variable (9 weeks to 3.5 years)