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Table 4 Factor analysis scores

From: Validity and reliability of the Portuguese version of the modified Migraine Disability Assessment

Because of headaches, during last month, Factor loadings
[1] # missed days of work or school 0.738
[2] # days with productivity reduced by half or more 0.821
[3] # missed days of household work 0.746
[4] # days with household work productivity reduced by half or more 0.839
[5] # missed days of family, social or leisure activities 0.548