Table 4.
M | TTH | M/TTH | HA | p-valuea | |
---|---|---|---|---|---|
Absenteeism (calculated by MIDAS) | |||||
Day off (US$), mean (SD) | 238.3 (739.9) | 82.9 (1142) | 153.9 (409.2) | 123.0 (511.0) | 0.080 |
Half day off (US$), mean (SD) | 90.2 (462.7) | 30.1 (431.3) | 40.2 (163.7) | 47.8 (209.3) | 0.111 |
Presenteeism | |||||
Calculated by MIDAS (US$), mean (SD) | 375.4 (1039) | 70.9 (533.8) | 324.1 (878.1) | 191.1 (967.1) | < 0.001 |
Calculated by WPAI (US$), mean (SD) | 2217 (4497) | 562.1 (266) | 2621 (6077) | 1267 (4356) | < 0.001 |
Continuous variables are reported as mean (SD) for non-missing observations
M migraine group, TTH tension-type headache group, M/TTH a group that satisfies the diagnostic criteria for migraine and tension-type headache, HA a group that does not meet the diagnostic criteria for migraine or tension-type headache, MIDAS migraine disability assessment score, WPAI work productivity and activity impairment questionnaire
aOne-way ANOVA