Table 3.
Differences in CBCL scores based on age at assessment
| Cross-sectional comparisons |
Longitudinal comparisons |
|||||
|---|---|---|---|---|---|---|
| Verhulst et al. (1990b) | Groza and Ryan (2002) | Groza et al. (2004) | Merz and McCall (2010) | Verhulst and Versluis-Den Bieman (1995) | Verhulst (2000) | |
| Birth country | Mix | Romania | India | Russia | Mix | Mix |
| Adoptive country | Netherlands | USA | Norway | USA | Netherlands | Netherlands |
| Adopted n | 10–11 years: 278 M, 318 F 12–15 years: 758 M, 794 F | 108 M, 122 F | 59 M, 132 F | 125 | T1:1,036 M, 1,112 F T2:734 M, 804 F | 1,538 |
| PI status | Unknown | Mixed | All PI | All PI | Unknown | Unknown |
| Age at adoption | 0–125 months | M:21 months | M:18 months | M: 10.1 months | 0–125 months | 0–125 months |
| Age at assessment | 10–11; 12–15 | M:6 years | M:9.8 years | 6–18 years | T1:11–14 years T2:14–17 years | T1: 10–15 years; T2: 14–18 years |
| Measure | Rate | Mean | Rate | T scores | Rate | Rate |
| Results | ||||||
| Internalizing | Older >Younger | Older >Younger | NS | Older >Younger | Older >Younger | Older >Younger |
| Externalizing | NS | Older >Younger | NS | NS | Older >Younger | Older >Younger |
| Thought problems | – | NS | NS | Older >Younger | Older >Younger | Older >Younger |
| Attention problems | – | NS | NS | Older >Younger | Older >Younger | Older >Younger |
| Social problems | – | NS | NS | Older >Younger | NS | NS |