Use of a toolbox of tailored evidence-based interventions to improve children’s physical activity and cardiorespiratory fitness in primary schools: results of the ACTIPROS cluster-randomized feasibility trial

Table 3 Participant recruitment, consent rate and baseline data provision rates by school class

School class	Arm	N pupils	Grade	Provided consent		Completed parental questionnaire		Motor skill data		Valid acc data
				N	%	n	% of consented	n	% of consented	n	% of consented
1	I	24	3	18	75.0	17	94.4	18	100.0	N/A	N/A
2	I	24	3	15	62.5	11	73.3	13	86.7	12	80.0
3	I	22	1	22	100.0	16	72.7	21	95.5	14	63.6
4	I	24	1	6	25.0	4	66.7	4	66.7	N/A	N/A
5	I	22	4	22	100.0	10	45.5	22	100.0	17	77.3
6	I	19	3	12	63.2	7	58.3	11	91.7	N/A	N/A
7	I	16	1	11	68.8	6	54.5	10	90.9	N/A	N/A
8	I	19	4	16	84.2	13	81.3	16	100.0	14	87.5
9	I	23	3	22	95.7	16	72.7	22	100.0	19	86.4
10	I	24	1	20	83.3	17	85.0	18	90.0	N/A	N/A
11	C	24	4	9	37.5	5	55.6	9	90.0	6	60.0
12	C	24	4	11	45.8	10	90.9	10	90.9	10	90.9
13	C	21	2	16	76.2	13	81.3	16	100.0	N/A	N/A
14	C	19	3	13	68.4	11	84.6	13	100.0	11	84.6
15	C	28	2	25	89.3	14	56.0	24	100.0	N/A	N/A
16	C	18	3	13	72.2	9	69.2	12	92.3	6	46.2
17	C	22	1	22	100.0	19	86.4	20	90.9	N/A	N/A
18	C	20	3	15	75.0	13	86.7	13	86.7	10	66.7
19	C	18	3	16	88.9	15	93.8	15	93.8	N/A	N/A
20	C	18	3	18	100.0	16	88.9	17	94.4	14	77.8
All		429		322	75.1	242	75.2	304	94.4	N/A	N/A
Acc sample¹		233		176	75.5					133	75.6

Note: ¹Accelerometry was only applied in every second class (n = 11), not in the full sample. Relative values refer to the accelerometry sample, not to the full sample
Acc: accelerometer; I: intervention group; C: Control group; N/A: not applicable

ISSN: 1479-5868