Migraine and stress—an exploratory cross-country study of external stress factors

BMC Research Notes

Table 2 Results for migraine YLD per 100,000 inhabitants in developed countries (2016)

	Migraine all ages	p-value	CI (95%)	Migraine 15–49 years	p-value	CI (95%)
Labour productivity (GDP per worker)	0.001	0.001	0.001–0.002	0.002	< 0.001	0.001–0.003
Unemployment rate (% unemployed in the labour force)	19.235	< 0.001	10.688–27.782	28.841	< 0.001	16.739–40.942
Constant	527.889	< 0.001	429.840–625.937	652.628	< 0.001	513.806–791.450
R²	0.685			0.735
N	38			38
F-statistic	15.462	< 0.001		20.584	< 0.001

YLD Years Lived with Disability, GDP Gross Domestic Product, CI Confidence Interval. R² provides the model’s goodness of fit (in percentages of total explanatory power) with the F-statistic as its level of significance. See Table 1 for mean and standard deviation of all variables

ISSN: 1756-0500