Table 2.

Zero-Order Correlations Between Demographic and Headache-Related Variables and Dependent Measures (N = 37)^*

	Gender	Age	Nausea	Phonophobia Photophobia Sensitivities	Frequency	Duration	Severity	ED Visit
Quality of life	0.295†	-0.098	-0.477‡	0.031	-0.128	-0.002	0.018	-0.452§
	P = .038	P = .282	P = .001	P = .427	P = .225	P = .495	P = .457	P = .002
Missed activities	0.099	0.300†	0.464§	0.081	0.035	0.233	0.218	0.530‡
	P = .281	P = .036	P = .002	P = .316	P = .419	P = .083	P = .097	P = .000
Missed activity hours	0.150	0.222	0.026	0.394§	0.130	0.236	0.354†	0.170
	P = .188	P = .094	P = .439	P = .008	P = .221	P = .079	P = .016	P = .157
Impaired activity hours	0.012	0.000	0.148	0.026	0.137	0.516‡	0.095	0.265
	P = .472	P = .499	P = .191	P = .440	P = .210	P = .001	P = .289	P = .057

^*ED indicates emergency department.

^†P = .05.

^‡P = .001.

^§P = .01.