Work/school absenteeism during last attack by pain severity. Percentage who missed time and reported mean days missed. ap-values for difference in percentage who missed time. Percentages based on 72 patients who were employed or in school and provided absenteeism data. Percent of caregivers based on full sample (N = 164). Note: Means based on number of patients (n = 40) and caregivers (n = 86) who missed time. Caregiver time includes leisure time. Data missing for missed time for 31 caregivers.