Table 1.

Correlations within hypothesized determinants of Fn/QoL

Variable	Gender†	Migraine days	Migraine episodes	Severity of associated symptoms‡	Migraine severity§	Catastrophizing (PCS)	Anxiety (BAI)	Depression (BDI)	Mood or anxiety diagnosis
Age	−0.22***	−0.02	0.07	−0.03	−0.04	−0.04	−0.10	−0.03	−0.05
Gender†		−0.02	−0.11	0.17**	0.02	−0.00	−0.02	0.02	0.10
Migraine days			0.72***	0.58***	0.90***	0.03	0.10	0.06	−0.04
Migraine episodes				0.46***	0.57***	0.03	0.10	0.05	−0.03
Severity of assoc. symptoms‡					0.65***	0.15*	0.10	0.12	0.01
Migraine severity§						0.04	0.04	−0.03	−0.03
Catastrophizing (PCS)							0.33***	0.40***	0.18**
Anxiety (BAI)								0.61***	0.47***
Depression (BDI)									0.60***

All Ns = 232.

^†Gender data were coded as 1 = male, 2 = female.

^‡Severity of associated symptoms = severity scores for phonophobia, photophobia and nausea summed across headaches and normalized to 30 days.

^§Migraine severity = average headache severity (1 = mild to 3 = severe) × migraine days.

^*P ≤ 0.05;

^**P ≤ 0.01;

^***P ≤ 0.001.