Table 1.
Descriptive statistics and bivariate correlations among study variables
| Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Maternal EA | — | |||||||||||
| 2. PSQI at 13–16 weeks | .29** | — | ||||||||||
| 3. PSQI at 24–27 weeks | .22** | .44** | — | |||||||||
| 4. PSQI at 34–37 weeks | .23** | .50** | .46** | — | ||||||||
| 5. Fetal resting HRV | −.12 | −.27** | −.12 | −.10 | — | |||||||
| 6. RADS at enrollment | .53** | .41** | .26** | .26** | −.19* | — | ||||||
| 7. RADS at 34–37 weeks | .36** | .22* | .30** | .27** | −.16 | .64** | — | |||||
| 8. Maternal age | .06 | .04 | −.03 | −.01 | −.09 | −.04 | −.07 | — | ||||
| 9. Maternal ethnicitya | −.19** | −.06 | −.05 | −.07 | .15 | −.06 | −.07 | −.07 | — | |||
| 10. GA at fetal session | −.07 | .14 | −.03 | .08 | −.20** | −.06 | −.05 | .07 | .12 | — | ||
| 11. Family income | .04 | .05 | .12 | .05 | .08 | .07 | −.05 | −.04 | −.11 | −.09 | — | |
| 12. Child sexb | .01 | .08 | −.08 | −.10 | .07 | .10 | .07 | .03 | −.01 | −.04 | .03 | — |
| Mean | 8.34 | 1.64 | 1.55 | 1.71 | 7.69 | 64.24 | 68.06 | 17.81 | — | 35.38 | 1.81 | — |
| SD | 4.29 | 0.62 | 0.69 | 0.70 | 2.24 | 13.87 | 11.55 | 1.29 | — | 1.84 | 0.87 | — |
| Range | 5–24 | 0–3 | 0–3 | 0–3 | 3.26–14.45 | 34–110 | 44–96 | 14–20 | — | 30–42 | 1–5 | — |
| n | 262 | 202 | 206 | 185 | 159 | 256 | 162 | 258 | 256 | 229 | 163 | 221 |
Note: EA, Emotional abuse subscale of the Childhood Trauma Questionnaire—Short Form; PSQI, sleep disturbances subscale of the Pittsburgh Sleep Quality Index; HRV, heart rate variability; RADS, Reynolds Adolescent Depression Scale; GA, gestational age.
a
0 = Not Latina, 1 = Latina.
b
0 = Female, 1 = Male.
*
p < .05.
**
p < .01.