Table 1 Descriptive information of male and female participants in the study.

From: Eyestrains among smartphone users while watching videos in Taipei MRT carriages: a comparison between sitting and standing postures

Items

Males (n = 24)

Females (n = 24)

Differences

p-value

Age (years)

21.2 ± 1.3

0.3

21.7 ± 1.1

-0.5

0.544

Stature (cm)

173.6 ± 4.6

160.2 ± 3.5

13.4

< 0.001***

Body mass (kg)

69.8 ± 9.8

53.8 ± 8.2

16.0

< 0.001***

Daily smartphone usage time (hours)

4.8 ± 1.6

4.5 ± 1.7

0.3

0.683

Critical fusion frequency (Hz)

38.8 ± 2.6

39.1 ± 1.7

-0.3

0.862

  1. Note Data (mean ± standard deviation) were examined between sexes by independent t test; *** p < 0.001.
Back to article page