The relationship between smartphone usage duration (using smartphone’s ability to monitor screen time) with hand-grip and pinch-grip strength among young people: an observational study

Table 2 Correlation analysis between smartphone usage duration and hand-grip, pinch-grip strength

Variable	Smartphone usage duration (hours)		Smartphone usage duration (hours) With weight and BMI as confounding variables
Variable	r	p	r	p
Hand-grip strength (kg)	-0.22	0.03	-0.22	0.03
Pinch-grip strength (kg)	-0.28	0.004	-0.27	0.008

ISSN: 1471-2474