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Table 6 Stratified analysis of myopia progression based on parental myopia and outdoor activity

From: The association between smartphone use and myopia progression in children: a prospective cohort study

Group

Myopia Progression (Diopter)

 

Smartphone Usage < 2 h

Smartphone Usage 2–4 h

Smartphone Usage > 4 h

p-value

Parental Myopia (Yes)

0.35 ± 0.18

0.48 ± 0.22

0.72 ± 0.25

< 0.026

Parental Myopia (No)

0.27 ± 0.12

0.36 ± 0.15

0.58 ± 0.22

< 0.011

Outdoor Activity < 1 h/day

0.41 ± 0.15

0.53 ± 0.19

0.79 ± 0.28

< 0.007

Outdoor Activity ≥ 1 h/day

0.29 ± 0.13

0.38 ± 0.16

0.56 ± 0.21

< 0.004

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BMC Pediatrics

ISSN: 1471-2431

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