Table 4.

The joint association between adolescent sport and exercise participation and device-measured moderate-to-vigorous physical activity in adulthood, with body fat, skeletal muscle mass, and body mass index in adulthood

Sport and exercise participation and MVPA min/week	No. of people	Mean body fat (%)	Crude mean difference	Adjusted* mean difference (95% CI)		Mean muscle mass (%)	Crude mean difference	Adjusted* mean difference (95% CI)		Mean BMI (kg/m2)	Crude mean difference	Adjusted* mean difference (95% CI)
≤ 1 day per week
<150 min	163	34.3	0.0 (ref.)	0.0 (ref.)		36.4	0.0 (ref.)	0.0 (ref.)		28.2	0.0 (ref.)	0.0 (ref.)
150–299 min	290	29.4	-4.9	-4.4 (-6.0 to -2.9)		39.2	2.8	2.4 (1.6 to 3.3)		25.8	-2.5	-2.5 (-3.4 to -1.6)
≥300 min	232	28.1	-6.2	-5.0 (-6.6 to -3.4)		40.1	3.7	2.8 (1.9 to 3.7)		26.4	-1.8	-2.0 (-2.9 to -1.0)
2–3 days per week
<150 min	160	33.2	-1.1	-1.4 (-3.2 to 0.3)		37.1	0.7	0.9 (-0.1 to 1.8)		27.5	-0.7	-0.6 (-1.6 to 0.4)
150–299 min	383	29.8	-4.5	-4.2 (-5.6 to -2.7)		39.0	2.6	2.4 (1.6 to 3.2)		26.4	-1.9	-1.8 (-2.7 to -1.0)
≥300 min	395	25.6	-8.7	-7.2 (-8.6 to -5.7)		41.5	5.1	4.1 (3.3 to 4.9)		25.3	-2.9	-2.9 (-3.8 to -2.1)
≥ 4 days per week
<150 min	106	30.7	-3.6	-3.4 (-5.4 to -1.5)		38.5	2.0	2.0 (0.9 to 3.0)		26.5	-1.7	-1.5 (-2.6 to -0.3)
<150–299 min	281	26.9	-7.4	-5.8 (-7.4 to -4.3)		40.9	4.4	3.4 (2.5 to 4.2)		26.0	-2.2	-2.1 (-3.1 to -1.2)
≥300 min	388	22.9	-11.5	-8.8 (-10.3 to -7.4)		43.3	6.9	5.1 (4.3 to 5.9)		25.1	-3.1	-3.0 (-3.9 to -2.2)

^* Adjusted for baseline age (continuous), sex (male, female), HUNT survey (Young-HUNT1, Young-HUNT3), and parental education (low, medium, high)

CI, Confidence interval; MVPA, moderate-to-vigorous intensity physical activity