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

From: 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

Variable

Smartphone usage duration (hours)

Smartphone usage duration (hours)

With weight and BMI as confounding variables

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