Health-related consequences of the type and utilization rates of electronic devices by college students

Table 6 Findings from stepwise multiple regression for the three pain components for the predictors^a

	Standardized Coefficients		Sig.	Δ R²	R²
	Beta	t	Sig.	Δ R²	R²
Upper Extremity
Percent Time Use/School	−0.26	−2.96	0.00	0.08
Reclined Posture Component	0.23	2.60	0.01	0.05	0.13
Upper Body
Amount of Stress	0.29	3.43	0.00	0.16
Lean/Slouch Posture Component	0.28	3.26	0.00	0.07
Reclined Posture Component	0.18	2.28	0.03	0.03
Wrists Ulnar Deviation Component	0.16	1.99	0.05	0.03	0.28
Lower Body
Reclined Posture Component	0.23	2.64	0.01	0.08
Minutes No Break/Tablet	0.24	2.79	0.01	0.05
Amount of Stress	0.19	2.26	0.03	0.04	0.17

^aPredictors: Hrs each tech (Tablet, Desktop, Laptop, Smartphone); Min. without break each tech (Table
t, Desktop, Laptop, Smartphone); avg. each posture factor (Reclined, Lean/ Slouch, Wrists - Ulnar deviation, Desk posture, Wrists - Radial deviation, Wrists - Flexion), percent time used tech per activities (Work, School, Recreation); Sex; BMI; stress; exercise (Days per Week Moderate, Minutes per Day Moderate, Days per Week Vigorous, Minutes per Day Vigorous); percent day spent Sitting, Standing, Walking, and in Labor

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