From: The epidemiology of primary headache disorders in Zambia: a population-based door-to-door survey
 | Migraine | Tension-type headache | pMOH | |||
---|---|---|---|---|---|---|
OR | P | OR | P | OR | P | |
Habitation | Â | Â | Â | Â | Â | Â |
Rural | reference | Â | reference | Â | reference | Â |
Urban | 1.1 [0.77-1.6] | Â | 1.1 [0.77-1.6] | Â | 8.6 [3.2-23.6] | 0.0001 |
Education | Â | Â | Â | Â | Â | Â |
None/primary | reference | Â | reference | Â | reference | Â |
Secondary | 1.4 [0.95-2.0] | Â | 0.46 [0.34-0.64] | <0.0001 | 0.59 [0.38-0.90] | 0.0147 |
College or university | 2.1 [1.4-3.2] | 0.0004 | 0.22 [0.14-0.37] | <0.0001 | 1.1 [0.71-1.8] | Â |
Employment | Â | Â | Â | Â | Â | Â |
None | reference | Â | reference | Â | reference | Â |
Unskilled | 1.2 [0.84-1.7] | Â | 1.5 [1.1-2.1] | 0.0149 | 1.6 [1.1-2.6] | 0.0232 |
Skilled | 1.1 [0.83-1.6] | Â | 1.6 [1.2-2.2] | 0.0010 | 1.5 [1.03-2.3] | 0.0343 |
Professional | 2.1 [1.4-3.2] | 0.0005 | 0.46 [0.26-0.82] | 0.0080 | 1.5 [0.91-2.7] | Â |
Income per month (USD) | Â | Â | Â | Â | Â | |
≤40 | reference |  | reference |  | reference |  |
>40 | 1.3 [0.88-1.8] | Â | 1.3 [0.93-1.9] | Â | 6.0 [2.8-13.1] | <0.0001 |