Table 1.
Means, Standard Deviations, and Ranges for Key Variables of Interest
| Variable | N | M | SD | Possible Range |
Observed Range |
|---|---|---|---|---|---|
| Baseline RSA, 5 months (ln(ms)2) | 287 | 4.02 | 1.27 | − | − |
| Baseline RSA, 10 months (ln(ms)2) | 261 | 4.74 | 1.16 | − | − |
| Baseline RSA, 24 months (ln(ms)2) | 228 | 5.44 | 1.23 | − | − |
| Baseline RSA, 36 months (ln(ms)2) | 207 | 6.49 | 1.53 | − | − |
| Baseline RSA, 48 months (ln(ms)2) | 190 | 6.80 | 1.38 | − | − |
| CBCL Emotionally reactive | 218 | 2.28 | 2.35 | 0–18 | 0–12 |
| CBCL Anxious/depressed | 218 | 2.12 | 2.04 | 0–16 | 0–11 |
| CBCL Somatic complaints | 216 | 1.63 | 1.96 | 0–22 | 0–11 |
| CBCL Withdrawn | 217 | 1.47 | 1.67 | 0–16 | 0–9 |
| CBCL Sleep problems | 217 | 2.95 | 2.44 | 0–14 | 0–12 |
| CBCL Attention problems | 218 | 2.52 | 1.75 | 0–10 | 0–10 |
| CBCL Aggressive behavior | 216 | 8.81 | 6.48 | 0–38 | 0–32 |
| CBCL Other problems | 212 | 7.56 | 5.82 | 0–66 | 0–34 |
| CBCL Internalizing problems | 215 | 7.50 | 6.31 | 0–72 | 0–37 |
| CBCL Externalizing problems | 216 | 11.34 | 7.67 | 0–48 | 0–42 |
| CBCL Total problems | 210 | 26.26 | 17.90 | 0–186 | 0–107 |
| CBCL Affective problems | 216 | 1.98 | 2.25 | 0–20 | 0–12 |
| CBCL Anxiety problems | 217 | 2.88 | 2.44 | 0–20 | 0–12 |
| CBCL Pervasive developmental problems | 216 | 3.02 | 2.58 | 0–26 | 0–15 |
| CBCL Attention-deficit/hyperactivity Disorder Problems | 217 | 4.34 | 2.60 | 0–12 | 0–12 |
| CBCL Oppositional defiant problems | 217 | 3.11 | 2.64 | 0–12 | 0–12 |