Table 4.

Association between self-reported physical activity, demographics and HRQOL in high school students

	Full model			Final model
Demographic	Adjusted B	95 % CI	P-value	Adjusted B	95 % CI	P-value
Girls	−5.10	−13.00 to 2.79	.203	−8.90	−15.80 to – 2.00	.012
Boys	Ref			Ref
Age	−5.73	−9.77 to −1.70	.006	−6.62	−10.57 to −2.66	.001
Health Care, Childhood and Youth Development/Design, Arts and Crafts	−2.27	−5.64 to 1.10	.184
Restaurant and Food Processing	Ref
“Motion enjoyment”	0.77	−8.12 to 4.00	.637
“Sport enjoyment”	Ref
Like PE	0.75	−0.80 to 2.34	.335
Physical activity in leisure; (number)	0.95	−0.85 to 2.74	.299
Stage of change	1.67	−1.26 to 4.60	.261	3.53	1.49 to 5.51	.001
Screen time	−1.01	−2.85 to 0.83	.279
Adjusted R 2	19.1 %			18.1 %

Adjusted unstandardized regression coefficient, 95 % CI, p values and R ² for the full and final model using multiple backward regression analysis. Dependent variable: HRQOL. All variables are considered as continuous except gender, vocational programs and PE model. Bold numbers indicate p<0.05