An activity-based intervention for obese and physically inactive children organized in primary care: feasibility and impact on fitness and BMI

Figures & data

Figure 1. Physical fitness tests with the motor abilities measured by the tests.

Table I. Participating children (n = 62) related to gender, age, intervention group, and follow-up.

	Baseline (n = 62)	6 months (n = 41)	12 months (n = 35)
Gender
girls (n)	32	20	17
boys (n)	30	21	18
Age group
1 (6 y –11 y)	31	23	19
2 (12 y – 15 y)	31	18	16
Intervention group
1	15	8	5
2	16	11	8
3	11	7	7
4	20	15	15

Table II. Characteristics on inclusion for dropouts versus children who completed the intervention.

	Dropouts median (quartiles)	n	Completed median (quartiles)	n	p-value
BMI children at onset (kg/m^2)	28.3 (27.0–30.9)	27	27.4 (24.8–29.3)	35	0.09
Age (years)	12.0 (9.5–13.5)	27	11.5 (9.0–12.5)	35	0.27
VO2 at onset (ml/kg/min)	27 (20–30)	19	27 (25–32)	31	0.25
Jump broad (m)	1.07 (0.96–1.24)	20	1.15 (0.91–1.37)	32	0.36
Jump 7 m two legs (sec)	3.8 (3.5–4.5)	20	4.0 (3.5–4.5)	33	0.58
Jump 7 m one leg (sec)	3.6 (3.2–4.1)	20	3.7 (3.3–4.5)	33	0.45
Throw tennis ball (m)	17.5 (13.7–24.2)	17	14.9 (10.0–19.2)	33	0.07
Throw medicine ball (m)	5.3 (4.2–6.1)	19	4.3 (3.2–5.1)	33	0.02
Wall bars (sec)	7.2 (5.5–10.8)	20	8.3 (6.7–12.7)	34	0.121
Shuttle run (sec)	23.5 (22.1–25.3)	20	23.1 (21.8–24.7)	34	0.53
20 m run (sec)	4.6 (4.3–5.0)	18	4.6 (4.3–5.2)	33	0.94
BMI at onset mother (kg/m^2)	26.7 (22.4–34.4)	25	27.5 (25.3–32.1)	34	0.52
BMI at onset father (kg/m^2)	25.5 (24.7–29.4)	16	28.5 (26.1–31.1)	26	0.01
Parent participating in training (n)	9	27	29	35	< 0.001
Parents physically active at onset(n)	11	26	28	35	0.002
Education above high-school level mother (n)	10	26	11	35	0.6
Education above high-school level father (n)	7	21	15	33	0.4

Notes: Mann–Whitney U-test for analysing differences in continuous variables by groups, chi-squared test for comparison of frequencies between groups.

Table III. Cardio-respiratory aerobic and physical fitness, and BMI at inclusion and at six and 12 months, given as median and quartiles.

	Inclusion	n	6 months	n	p-value	12 months	n	p-value
VO2 (ml/kg/min)	27.0 (23.0–30.0)	50	30.0 (27.0–34.0)	28	0.004	32.0 (28.3–36.0)	28	< 0.001
Jump (m)	1.1 (0.94–1.30)	52	1.3 (0.94–1.40)	25	0.32	1.25 (0.92–1.37)	22	0.07
Jump 7 m two legs (sec)	3.9 (3.5–4.4)	53	3.4 (3.1–4.2)	20	0.20	3.5 (3.3–4.2)	27	0.001
Jump 7 m one leg (sec)	3.7 (3.2–4.2)	53	3.4 (3.1–4.2)	21	0.10	3.5 (3.0–4.1)	26	0.003
Throw tennis ball (m)	15.2 (10.8–20.2)	50	15.3 (12.3–19.0)	19	0.23	14.7 (10.2–19.0)	24	0.02
Throw medicine ball (m)	4.4 (3.6–5.6)	52	4.4 (3.7–5.1)	28	0.04	4.5 (3.9–5.7)	26	< 0.001
20 m run (sec)	4.6 (4.3–5.1)	51	4.8 (4.5–5.3)	19	0.14	4.6 (4.4–5.1)	25	0.003
Run shuttle (sec)	23.3 (21.9–24.9)	54	20.3 (19.0–24.7)	19	0.05	21.4 (20.0–24.0)	19	< 0.001
Climbing wall bars (sec)	7.9 (6.2–11.1)	54	6.6 (5.7–10.4)	20	0.15	7.4 (5.4–10.0)	25	< 0.001
BMI (kg/m^2)	27.7 (25.6–29.5)	62	26.3 (23.8–29.4)	49	< 0.001	25.5 (24.0–30.6)	39	0.01

Note: A Wilcoxon test is used to analyse within-group changes from baseline to six and 12 months.