Table 10 Primary headaches and the burden, Akaki textile mill, Ethiopia, 2007
From: Prevalence and burden of primary headache in Akaki textile mill workers, Ethiopia
Category | Mean value | SD | Range |
|---|---|---|---|
Mean age in years | 47.3 | 7.1 | 30–60 |
Mean years on work | 27.3 | 7.7 | 5–47 |
Means years lived with primary headaches | 21.9 | 12.4 | 1–50 |
Mean age in years at onset of all primary headaches | 25.7 | 12.2 | 5–55 |
Mean age in years at onset of tension-type headache | 27.7 | 12.2 | 5–55 |
Mean age in years at onset of migraine headache | 21.9 | 11 | 6–53 |
Mean years lived with tension-type headaches | 19.24 | 11.77 | 1–48 |
Mean years lived with migraine headaches | 26.8 | 11.78 | 2–50 |
Mean days of missing work due to all primary headaches per year | 13.77 | 15.5 | 1–60 |
Mean days of missing work due to migraine headaches per year | 15.61 | 15.4 | 1–60 |
Mean days of missing work due to tension-type headaches per year | 11.17 | 15.57 | 2–60 |