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. 2021 Jun 10;18(12):6290. doi: 10.3390/ijerph18126290

Table 2.

Between-group comparisons of neck flexor endurance time, hand grip, and pinch strength.

Smartphone-Addicted Group Non-Smartphone-Addicted Group
Mean ± SD Mean ± SD MD (95% CI) p Value
Flexor endurance time (s) 14.45 ± 3.95 20.3 ± 2.84 −5.85 (−8.05, −3.64) 0.001
Hand grip strength (kg)
Dominant hand 21.85 ± 5.2 24.4 ± 4.82 −2.55 (−5.76, 0.66) 0.11
Non-dominant hand 20.05 ±4.97 21.35 ± 3.82 −1.3 (−4.14, 1.54) 0.36
Pinch grip strength (kg)
Dominant hand 4.25 ± 1.11 4.6 ± 1.09 −0.35 (−1.05, 0.35) 0.32
Non-dominant hand 3.45 ± 0.75 3.65 ± 0.93 −0.2 (−0.74, 0.35) 0.46

x¯ mean; SD, standard deviation; MD, mean difference; CI, confidence interval; p value, level of significance.