Skip to main content

Table 3 Correlation analysis between HEADWORK scales, patient-reported outcomes, headache frequency, pain intensity and productivity indexes (N = 362)

From: Validation of a self-reported instrument to assess work-related difficulties in patients with migraine: the HEADWORK questionnaire

 

Work-related difficulties

Factors contributing to work difficulties

WHODAS-12

.607*

.565*

MSQ-RR

−.593*

−.537*

MSQ-RP

−.586*

−.522*

MSQ-EF

−.496*

−.465*

MIDAS

.443*

.394*

Headache Frequency/3 months

.247*

.296*

Average pain severity

.367*

.301*

N. of lost workdays

.256*

.206*

N. of days worked with hampered productivity

.123

.220*

Average productivity

−.522*

−.342*

  1. Notes. *P < .0023. WHODAS-12 12-items WHO disability assessment, MSQ migraine specific quality of life questionnaire, RR role restriction, RP role prevention, EF emotional function, MIDAS migraine disability assessment