Physical activity and nutrition of children in primary education

Figures & data

Figure 1. Graphic representation of participants’ distribution according to their school grade.

Source: The authors.

Table 1. Body height, body mass and body mass index for boys.

Variable	N	AS	SD
Body height	123	136.5	11.1
Body mass	122	33.7	10.4
Body mass index	122	17.82	4.43

Source: The authors.

Table 2. Body height, body mass and body mass index for girls.

Variable	N	AS	SD
Body height	142	139.2	9.5
Body mass	142	34.1	8.4
Body mass index	142	17.4	3.4

Source: The authors.

Figure 2. Boys’ body mass index (BMI) representation according to school grade.

Source: The authors.

Table 3. Body mass index (BMI) representation for 1st to 4th grade boys.

BMI	N	AS	SD
1st grade	33	16.2	2.4
2nd grade	33	17.5	3.0
3rd grade	27	17.9	3.8
4th grade	29	19.9	6.8

Source: The authors.

Figure 3. Girls’ body mass index (BMI) representation according to school grade.

Source: The authors.

Table 4. Body mass index (BMI) representation for 1st to 4th grade girls.

BMI	N	AS	SD
1st grade	18	17.0	6.2
2nd grade	41	17.2	2.7
3rd grade	37	16.9	2.3
4th grade	46	18.2	3.1

Source: The authors.

Figure 4. Practising sports in their free time among boys.

Source: The authors.

Figure 5. Practising sports in their free time among girls.

Source: The authors.

Figure 6. Frequency of trainings per week among boys.

Source: The authors.

Table 5. Training duration in minutes among boys.

Training duration (minutes)	N	%
45	1	0.8
60	46	37.4
75	4	3.3
80	1	0.8
90	19	15.4
120	4	3.3

Source: The authors.

Figure 7. Frequency of trainings per week among girls.

Source: The authors.

Table 6. Training duration in minutes among girls.

Training duration (minutes)	N	%
45	1	0.7
60	1	0.7
75	45	31.7
80	39	27.5
90	4	2.8
120	1	0.7

Source: The authors.

Figure 8. Time spent outdoors by boys.

Source: The authors.

Figure 9. Time spent outdoors by girls.

Source: The authors.

Table 7. Difference in the analysed variables between girls and boys.

Variables	SS effect	df effect	MS effect	SS error	df error	MS error	F	p
Body height	488.5	1	488.5	27,661.0	263	105.17	4.64	0.03
Body mass	8.1	1	8.1	23,152.9	262	88.37	0.09	0.76
BMI	10.8	1	10.8	3991.3	262	15.23	0.71	0.40
Sport	0.3	1	0.3	52.6	263	0.20	1.29	0.26
Training	1.4	1	1.4	988	190	0.52	2.70	0.10
Training duration	1929.1	1	1929.1	131,441.4	164	801.47	2.41	0.12
Time spent outdoors	0.5	1	0.5	65.9	263	0.25	1.90	0.17

SS Effect, sum of squares between groups, MS, variance between groups, df, number of degrees of freedom between groups, F, F-value, p, level of significance.

Source: The authors.