Revising on the run or studying on the sofa: prospective associations between physical activity, sedentary behaviour, and exam results in British adolescents

Table 3 Adjusted associations between academic achievement and separate screen and non-screen sedentary variables in multiple multilevel linear regression models

		Total points^a
		Β (95 % CI)	P value
Screen behaviours (in the same model)
TV viewing	(hr/day)	−9·6 (−17·6, −3·8)	0·011
Internet use	(hr/day)	−8·8 (−16·2, −1·4)	0·023
Computer games	(hr/day)	−9·8 (−19·8, 0·1)	0·052
Non-screen behaviours (in the same model)
Homework	(hr/day)	17·4 (5·6, 29·3)	0·007
Reading	(hr/day)	29·9 (12·1, 47·7)	0·003

All models clustered for school and adjusted for MFQ, BMI z-score, deprivation, season of physical activity measurement, and sex
^aCalculated to include GCSE and GNVQ results e.g., for GCSEs A* = 58, A = 52…G = 16, and similar for GNVQ grades

ISSN: 1479-5868