Scale-up of the Internet-based Professional Learning to help teachers promote Activity in Youth (iPLAY) intervention: a hybrid type 3 implementation-effectiveness trial

Lubans, D R; Sanders, T; Noetel, M; Parker, P; McKay, H; Morgan, PJ; Salmon, J; Kirwan, M; Bennie, A; Peralta, L; Cinelli, R; Moodie, M; Hartwig, T; Boyer, J; Kennedy, S G; Plotnikoff, R C; Hansen, V; Vasconcellos, D; Lee, J; Antczak, D; Lonsdale, C

doi:10.1186/s12966-022-01371-4

International Journal of Behavioral Nutrition and Physical Activity

Table 2 Effectiveness analyses for self-reported student outcomes

From: Scale-up of the Internet-based Professional Learning to help teachers promote Activity in Youth (iPLAY) intervention: a hybrid type 3 implementation-effectiveness trial

Outcome	Follow-up (months)	N (n of Intervention)	Change from baseline: Control	Change from baseline: Intervention	Adjusted difference (Intervention vs Control)^a	Effect size^b
Effort during PE/sport	12	2,359 (1802)	-0.07 (-0.13, -0.02)	-0.04 (-0.07, -0.01)	0.04 (-0.03, 0.10)	0.06 (-0.04, 0.16)
Effort during PE/sport	24	1,780 (1274)	-0.24 (-0.29, -0.18)	-0.20 (-0.24, -0.17)	0.03 (-0.03, 0.10)	0.06 (-0.05, 0.16)
Enjoyment of PE/sport	12	2,359 (1802)	-0.14 (-0.20, -0.07)	-0.11 (-0.14, -0.07)	0.03 (-0.04, 0.10)	0.04 (-0.06, 0.14)
Enjoyment of PE/sport	24	1,780 (1274)	-0.33 (-0.40, -0.27)	-0.21 (-0.25, -0.17)	0.12 (0.05, 0.20)	0.17 (0.07, 0.28)
Perceptions of needs support from teachers	12	2,359 (1802)	-0.10 (-0.15, -0.04)	-0.04 (-0.07, -0.01)	0.06 (-0.00, 0.12)	0.08 (-0.00, 0.17)
Perceptions of needs support from teachers	24	1,780 (1274)	-0.37 (-0.42, -0.31)	-0.07 (-0.11, -0.04)	0.29 (0.22, 0.36)	0.40 (0.31, 0.49)
Typical physical activity participation	12	2,370 (1813)	-0.06 (-0.22, 0.09)	0.20 (0.12, 0.28)	0.26 (0.09, 0.44)	0.13 (0.05, 0.22)
Typical physical activity participation	24	1,782 (1276)	0.00 (-0.16, 0.16)	0.35 (0.25, 0.44)	0.34 (0.16, 0.53)	0.17 (0.08, 0.27)
Physical activity participation in last week	12	2,371 (1814)	0.04 (-0.11, 0.20)	0.23 (0.14, 0.31)	0.18 (0.00, 0.36)	0.09 (0.00, 0.18)
Physical activity participation in last week	24	1,778 (1272)	-0.05 (-0.21, 0.11)	0.24 (0.14, 0.33)	0.28 (0.10, 0.47)	0.14 (0.05, 0.24)
Organised team sport participation^c	12	2,368 (1811)	-0.02 (-0.40, 0.35)	0.45 (0.24, 0.66)	0.47 (0.04, 0.90)	1.64 (1.07, 2.51)
Organised team sport participation^c	24	1,777 (1272)	0.39 (-0.01, 0.78)	0.18 (-0.06, 0.41)	-0.21 (-0.66, 0.25)	0.89 (0.56, 1.34)
Organised individual sport participation^c	12	2,369 (1812)	-0.30 (-0.62, 0.01)	-0.50 (-0.66, -0.33)	-0.20 (-0.55, 0.16)	0.84 (0.59, 1.20)
Organised individual sport participation^c	24	1,782 (1276)	-0.34 (-0.66, -0.01)	-0.54 (-0.73, -0.35)	-0.20 (-0.58, 0.18)	0.83 (0.57, 1.21)
Active commuting to school	12	2,366 (1809)	-0.11 (-0.26, 0.04)	0.03 (-0.06, 0.11)	0.14 (-0.04, 0.31)	0.06 (-0.02, 0.14)
Active commuting to school	24	1,782 (1276)	0.22 (0.06, 0.38)	0.04 (-0.05, 0.14)	-0.17 (-0.36, 0.01)	-0.08 (-0.17, 0.01)
Subjective well-being	12	2,275 (1736)	0.10 (-0.31, 0.52)	0.34 (0.11, 0.56)	0.23 (-0.24, 0.70)	0.04 (-0.04, 0.12)
Subjective well-being	24	1,718 (1221)	-0.88 (-1.30, -0.45)	-0.06 (-0.32, 0.21)	0.82 (0.32, 1.32)	0.14 (0.06, 0.23)

^aMixed effect models with a Poisson link function; bold results are statistically significant
^bCohen’s d = [(Intervention 24-month mean—Intervention baseline mean)—(Control 24-month mean—Control baseline mean)] / pooled standard deviation of change
^cBinary outcome (log-odds) and odds ratio for effect size

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