The Relationship Between Motor Competence Physical Activity Cardiorespiratory Fitness and BMI in UK Adolescents

Figures & data

Figure 1. Flow diagram for the number of adolescents included in the study. (20mSRT = 20m shuttle run test, PA = physical activity, BMI = body mass index, MABC2 = Movement Assessment Battery for Children 2nd edition).

Table 1. Summary characteristics.

	Boys				Girls
	n	mean (SD)	95% CI	min-max	n	mean (SD)	95% CI	min-max
Height [cm]*	78	168.9 (9.3)	166.8–171	136–194	74	162.2 (9.6)	160–164.5	107–181
Weight [kg]	78	58.1 (14.5)	54.8–61.4	29.8–106	73	57.2 (12.9)	54.2–60.2	30.3–90.6
BMI [z-score]	77	0.5 (1.3)	0.2–0.8	−2.3–3.4	72	0.7 (1.4)	0.3–1	−4.7–4.9
MVPA [mins/day]	32	29.7 (12.4)	25.3–34.2	5.6–56.6	30	28.3 (16.2)	22.2–34.3	5.2–62.2
VPA [mins/day]	32	5.4 (4.1)	3.9–6.9	0.3–18.2	30	3.9 (4.1)	2.3–5.4	0.2–17.3
Wear time [hrs/day]	32	10.8 (1.8)	10.2–11.5	6.4–13.9	30	10.9 (2.1)	10.1–11.7	7.0–13.9
Days worn [count]	32	6.2 (1.1)	5.8–6.6	4–7	30	6.6 (1.4)	6.0–7.0	4–7
Total shuttles [count]*	76	56 (25)	50.3–61.7	18–118	71	41 (22.8)	35.8–46.6	12–110
MABC2 [percentile]	78	23.9 (20.8)	19.2–28.6	0.5–84	77	18.7 (18)	14.6–22.8	0.1–75
Balance score [percentile]	78	36 (27.7)	29.8–42.2	0.5–91	77	33.1 (30.6)	26.2–40.1	0.5–91
Aiming and catching score [percentile]*	78	53.5 (25.8)	47.6–59.3	0.1–98	77	21.9 (20.5)	17.3–26.6	0.1–84
Manual dexterity score [percentile]*	78	16.2 (17.6)	12.2–20.1	0.1–84	77	24.7 (21.7)	19.8–29.6	0.5–84

Note. MVPA = moderate vigorous physical activity, VPA = vigorous physical activity, MABC2 = Movement Assessment Battery for Children, 2nd edition, SD = standard deviation, 95% CI = 95% confidence intervals, min-max = minimum to maximum values, * = p < .01.

Table 2. Multivariate regression model for three subsections of motor competence to MVPA, VPA, total shuttles, and BMI z-score.

MVPA^a	B	β	95% CI B		p
n = 62			LL	UL
Model 1
Balance score	0.15	0.31	0.02	0.28	.02
Manual dexterity score	−0.03	−0.04	−0.22	0.16	.75
Aiming and catching score	−0.05	−0.10	−0.19	0.09	.45
VPA^a	B	β	95% CI B		p
n = 62			LL	UL
Model 2
Balance score	0.06	0.41	0.02	0.09	.002
Manual dexterity score	−0.04	−0.20	−0.09	0.01	.12
Aiming and catching score	0.007	0.05	−0.03	0.05	.69
Total shuttles^b	B	β	95% CI B		p
n = 146			LL	UL
Model 3
Balance score	0.30	0.34	0.17	0.42	5.2×10^−6
Manual dexterity score	−0.16	−0.13	−0.34	0.02	.09
Aiming and catching score	0.29	0.33	0.14	0.45	.0002
BMI z-score^c	B	β	95% CI B		p
n = 149			LL	UL
Model 4
Balance score	−0.01	−0.26	−0.02	0.005	.001
Manual dexterity score	−0.008	−0.12	−0.02	0.002	.14
Aiming and catching score	0.006	0.13	−0.003	0.02	.19

Note. B = beta coefficient, CI = confidence intervals, LL = lower limits, UL = upper limits, β = standardized beta, p = significance value, MVPA = moderate to vigorous physical activity. ^a = adjusted for sex and BMI z-score, ^b = adjusted for sex, BMI z-score, and height, ^c = adjusted for sex.