Table 1. Distribution of demographic and socioeconomic factors and baseline values for outcome variables in the intervention group and the control group.
| Intervention groupn=126 | Control groupn=95 | p-Value | ||
|---|---|---|---|---|
| Sex (female) % (n) | 54.8 (69) | 49.5 (47) | 0.52 | |
| Age in yearsM (SD) | 5.2 (0.5) | 5.2 (0.4) | 0.39 | |
| Intelligence quotientM (SD) | 108.4 (13.3) | 108.5 (14.8) | 0.96 | |
| Disease or disability % (n) | Reported as “yes“ | 13.5 (17) | 4.2 (4) | 0.04 |
| Not reported | 86.5 (109) | 95.8 (91) | ||
| Special support% (n) | Reported as “yes“ | 20.6 (26) | 23.2 (22) | 0.78 |
| Not reported | 79.4 (100) | 76.8 (73) | ||
| Preschool teacher knows child (very) well% (n) | 94.3 (115) | 97.9 (92) | 0.33 | |
| At-risk child at baseline% (n) | 30.2 (38) | 36.8 (35) | 0.37 | |
| Parents’ employment% (n) | Both unemployed | 4.5 (5) | 8.6 (5) | 0.55 |
| Mother or father employed | 33.0 (37) | 31.0 (18) | ||
| Both parents employed | 62.5 (70) | 60.3 (35) | ||
| Wally at baseline M (SD) | All items | 5.6 (5.11) | 7.6 (5.2) | 0.004 |
| PSBQ at baselineM (SD) | Prosocial behavior | 11.2 (4.3) | 12.2 (5.1) | 0.15 |
| Externalizing disorder | 4.1 (5.2) | 1.4 (2.6) | 9.904 × 10-7 | |
| Total problem behavior | 12.1 (10.1) | 5.1 (5.8) | 8.299 × 10-10 | |
| C-TRF at baselineM (SD) | Internalizing disorder | 8.6 (7.7) | 3.4 (4.3) | 1.126 × 10&-9 |
| Externalizing disorder | 10.8 (11.7) | 4.1 (5.5) | 6.52 × 10-8 | |
| Total problem behavior | 25.2 (21.5) | 10.5 (10.4) | 2.123 × 10-10 | |
PSBQ, Preschool Social Behavior Questionnaire; C-TRF, Caregive–Teacher Report Form; M, mean; SD, standard deviation;
p-values <0.05, indicating a significant difference, are shown in bold