Analysis of information sources in references of the Wikipedia article "Headache" in English language version.
[T]he prevalence [of headache within the last year] was on average 46% based on 35 different studies from all over the world, but the variation was immense, between 1% and 87%. The lifetime prevalence was much as expected – 64%, varying between 8% and 96% in 14 studies. For current chronic headache, the average of 10 studies was 3.4%, varying between 1.7% and 7.3%.
Calculating the mean of all the studies comprising more than 205,000 adult participants, current headache [i.e. headache within the last year] occurred in 53% of adults (61% among women and 45% among men).... The total lifetime prevalence of headache among adults was as expected higher than that of current headache (77%).
[T]he prevalence [of headache within the last year] was on average 46% based on 35 different studies from all over the world, but the variation was immense, between 1% and 87%. The lifetime prevalence was much as expected – 64%, varying between 8% and 96% in 14 studies. For current chronic headache, the average of 10 studies was 3.4%, varying between 1.7% and 7.3%.
Calculating the mean of all the studies comprising more than 205,000 adult participants, current headache [i.e. headache within the last year] occurred in 53% of adults (61% among women and 45% among men).... The total lifetime prevalence of headache among adults was as expected higher than that of current headache (77%).
Calculating the mean of all the studies comprising more than 205,000 adult participants, current headache [i.e. headache within the last year] occurred in 53% of adults (61% among women and 45% among men).... The total lifetime prevalence of headache among adults was as expected higher than that of current headache (77%).