Table 5.

Group by time results for individual outcomes

Outcome	Control group (n = 72–97)			Intervention group (n = 201–260)
	Time 1 Mean (SD)	Time 2 Mean (SD)	Time 3 Mean (SD)	Time 1 Mean (SD)	Time 2 Mean (SD)	Time 3 Mean (SD)
Mastery	17.4 (3.1)	18.3 (3.5)	18.3 (3.6)	17.5 (2.9)	17.8 (2.9)	18.2 (3)
Self-regulation	17 (4.4)	17.5 (4.3)	17.5 (4.5)	16.7 (4.6)	17.4 (4.8)	17.5 (4.4)
SDQ Emotional problems	3.2 (2.5)	2.8 (2.7)	2.6 (2.6)	3.3 (2.6)	3.1 (2.5)	3 (2.5)
SDQ Conduct problems	1.7 (1.7)	1.8 (1.7)	1.6 (1.8)	1.7 (1.6)	1.6 (1.5)	1.6 (1.7)
SDQ Hyperactivity	3.1 (2.1)	3.2 (2.3)	3.1 (2.3)	3.4 (2.3)	3.3 (2.3)	3.3 (2.3)
SDQ Peer problems	1.9 (1.7)	1.7 (1.8)	1.9 (1.9)	2.1 (1.7)	2.1 (1.9)	2.2 (1.9)
SDQ Prosocial	8.6 (1.8)	8.7 (1.6)	8.9 (1.6)	8.5 (1.6)	8.5 (1.8)	8.3 (1.8)
SDQ Total score	9.9 (5.7)	9.4 (6.1)	9.2 (6.5)	10.5 (6)	10 (6)	10 (6.2)
Self-esteem	30.8 (6)	32.6 (5.8)	32.2 (6.1)	31.1 (5)	31.5 (5.3)	31.8 (5.6)
Grit	20.3 (4.3)	21.3 (3.9)	21.9 (4.6)	20.8 (3.8)	21.6 (4.1)	21.2 (4.8)
Subjective happiness	21.5 (4.8)	21.5 (5.1)	22.3 (4.8)	21.5 (4.4)	21.3 (4.4)	21.4 (4.2)
Commitment to school	21.2 (3.7)	21.2 (3.7)	21.6 (3.5)	21.4 (3.2)	21.4 (3.1)	21.6 (3.2)
Sense of belonging	20.1 (4.3)	20 (4.5)	20.1 (4.9)	20.4 (3.7)	20.2 (3.7)	20.4 (3.8)
Physical activity	3.1 (0.8)	3.3 (0.8)	3.4 (0.7)	3.2 (0.9)	3.3 (0.8)	3.5 (0.9)
Generalized task self-efficacy	8.1 (1.7)	8.3 (1.9)	8.2 (2.0)	8.0 (2.0)	8.1 (2)	8.1 (2.1)
Physical activity self-efficacy	7.9 (2)	8.2 (1.9)	8.1 (2.2)	7.7 (2.4)	7.9 (2.3)	8 (2.3)
Sports self-efficacy	7.9 (2.4)	8.1 (2.4)	8 (2.4)	7.9 (2.4)	7.9 (2.4)	7.9 (2.4)
Active play self-efficacy	8.7 (1.9)	8.7 (1.9)	8.6 (2.1)	8.4 (2.1)	8.4 (2.1)	8.3 (2.2)

SDQ Strengths and Difficulties Questionnaire