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Table 2 Correlations between the mobile phone exposure variables at baseline

From: Mobile phone use and stress, sleep disturbances, and symptoms of depression among young adults - a prospective cohort study

  Awakened at night Availability demands Accessibility stress Overuse
  Men/Women Men/Women Men/Women Men/Women
Mobile phone use 0.31a/0.32a 0.24a/0.23a 0.09b/0.10a 0.24a/0.30a
Awakened at night   0.28a/0.28a 0.07c/0.09a 0.14a/0.21a
Availability demands    -0.002 ns/0.03 ns 0.10a/0.11a
Accessibility stress     0.20a/0.22a
  1. Spearman correlation coefficients for the men (n = 1455) and women (n = 2701). All correlations are statistically significant (ap < 0.001, bp < 0.01, cp < 0.05) unless indicated as non-significant (ns).