Table 2.
Lost productive time attributed to migraine by country (values are population means ± SEM [median])
| Country | Lost productive time (days/3 months per person) | ||||
|---|---|---|---|---|---|
| HALT question(s)1 | |||||
| 1 | 2 | 1 + 2 | 3 + 4 | 1 + 2 + 3 + 4 | |
| China | 2.4 ± 0.4 [0.0] | 4.1 ± 0.5 [2.0] | 6.5 ± 0.7 [3.0] | 7.7 ± 0.8 [4.0] | 14.0 ± 1.4 [8.0] |
| Ethiopia | 1.2 ± 0.1 [0.0] | 1.4 ± 0.1 [0.0] | 2.7 ± 0.2 [0.0] | 4.3 ± 0.4 [0.0] | 6.2 ± 0.4 [4.0] |
| India | 1.1 ± 0.1 [0.0] | 0.6 ± 0.1 [0.0] | 1.7 ± 0.2 [0.0] | 2.8 ± 0.2 [1.0] | 4.4 ± 0.3 [3.0] |
| Lithuania + Luxembourg | 0.9 ± 0.3 [0.0] | 1.9 ± 0.2 [0.0] | 2.7 ± 0.3 [0.0] | 4.5 ± 0.4 [2.0] | 6.8 ± 0.5 [2.0] |
| Nepal | 1.2 ± 0.1 [0.0] | 0.8 ± 0.1 [0.0] | 2.0 ± 0.2 [0.0] | 3.6 ± 0.3 [1.0] | 5.6 ± 0.4 [3.0] |
| Pakistan | 3.3 ± 0.2 [2.0] | 4.8 ± 0.3 [3.0] | 8.1 ± 0.4 [6.0] | 11.2 ± 0.4 [10.0] | 13.9 ± 0.4 [12.0] |
| Russia | 0.2 ± 0.1 [0.0] | 2.0 ± 0.3 [0.0] | 2.2 ± 0.3 [0.0] | 3.9 ± 0.4 [3.0] | 6.2 ± 0.7 [4.0] |
| Spain | 1.4 ± 0.2 [0.0] | 4.4 ± 0.3 [2.0] | 5.6 ± 0.4 [3.0] | 7.3 ± 0.5 [3.0] | 12.3 ± 0.8 [6.0] |
HALT: Headache-Attributed Lost Time questionnaire. 1 Questions 1 and 2 relate to work time (absenteeism and presenteeism respectively); questions 3 and 4 relate to household work (days with nothing or less than half of normal achieved) (see text).