Table 3 Interaction score comparisons (mean) between BD sample and non-clinical sample on PCERA subscales
Subscale | BD sample Mean (sd) 95% CI | Non-clinical sample Mean (sd) 95% CI | Mean difference 95% CI | Sign./ Adjusted sign. | Cohen’s d |
|---|---|---|---|---|---|
S1-Maternal positive affective involvement, sensitivity and responsiveness | 3.7 (0.43) | 4.1 (0.63) | −0.40 (−0.70 to −0.10) | 0.01*/0.04* | 0.73 |
3.5–3.8 | 3.8–4.3 | ||||
S2-Maternal negative affect and behaviour | 4.0 (0.39) | 4.4 (0.54) | −0.38 (− 0.63 to − 0.12) | 0.004*/0.03* | 0.81 |
3.8–4.1 | 4.2–4.6 | ||||
S3-Infant positive affect, communicative and social skills | 3.2 (0.71) | 3.7 (0.70) | −0.51 (− 0.89 to − 0.13) | 0.01* | 0.73 |
2.9–3.5 | 3.5–4.0 | ||||
S4-Infant dysregulation and irritability | 4.0 (0.46) | 4.0 (0.63) | −0.003 (− 0.29 to 0.29) | 0.98 | 0.01 |
3.9–4.2 | 3.8–4.3 | ||||
S5-Dyadic mutuality and reciprocity | 2.6 (0.83) | 3.7 (0.82) | −1.08 (−1.53 to −0.64) | < 0.001* | 1.32 |
2.3–3.0 | 3.4–4.0 | ||||
S6-Dyadic tension | 3.6 (0.52) | 4.1 (0.71) | −0.46 (− 0.80 to − 0.13) | 0.01*/0.04* | 0.74 |
3.4–3.8 | 3.8–4.4 |