Table 8.

Multilevel regression analyses of effect of intervention on teacher behaviour to the whole class and classroom ratings at 6-month follow-up

	B (95% CI)	ICCa	Effect size (95% CI)	p value
Structured observations of teacher behaviour to the whole class
Teacher positive behavioursb	6.33 (4.68–7.98)	0.05	2.70 (2.0–3.41)	<0.0001
Teacher negative behavioursb	−2.46 (−3.61 to −1.31)	0.02	−0.98 (−0.52 to −1.44)	<0.0001
Ratings of class-wide child behaviour
Level of children's appropriate classroom behaviour	0.32 (0.02–0.62)	0.13	0.50 (0.03–0.97)	0.04
Level of children's interest and enthusiasm	0.28 (0.01–0.55)	0.26	0.78 (0.03–1.53)	0.04
Rating scales of classroom atmosphere
Opportunities to share and help each other	0.17 (0.06–0.28)	0.02	1.42 (0.5–2.33)	0.003
Teacher warmth	0.40 (0.15–1.00)	0.00	0.91 (0.46–1.43)	0.002

All analyses adjust for school as a random effect.

^aIntra-cluster correlation coefficient.

^bSquare root of raw score used in the analysis.