. 2011 Jan 31;11:66. doi: 10.1186/1471-2458-11-66

Table 2.

Correlations between the mobile phone exposure variables at baseline

	Awakened at night	Availability demands	Accessibility stress	Overuse
	Men/Women	Men/Women	Men/Women	Men/Women
Mobile phone use	0.31^a/0.32^a	0.24^a/0.23^a	0.09^b/0.10^a	0.24^a/0.30^a
Awakened at night		0.28^a/0.28^a	0.07^c/0.09^a	0.14^a/0.21^a
Availability demands			-0.002 ns/0.03 ns	0.10^a/0.11^a
Accessibility stress				0.20^a/0.22^a

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).