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Table 2 Results of the annual cross-sectional surveys of prevalence rates of self-reported headaches in Germany from 1995-2005 and 2009

From: Period prevalence of self-reported headache in the general population in Germany from 1995–2005 and 2009: results from annual nationwide population-based cross-sectional surveys

Year of survey   1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2009
General population in million inhabitants (≥ 14 years)   62.73 62.97 63.12 63.24 63.51 63.78 63.83 64.1 64.25 64.43 64.72 64.87
East Germany n = 2709 2677 2994 3041 2804 2631 2770 2629 2659 2485 2863 2571
HP 61.4% 60.8% 57.5% 61.2% 60.3% 58.3% 63.2% 63.8% 59.1% 58.5% 56.3% 62.8%
CI 95% 58.8 - 64.0 58.2 - 63.4 55.0 - 60.0 58.7 - 63.7 57.7 - 62.9 55.7 - 60.9 60.7 - 65.7 61.2 - 66.4 56.5 - 61.7 55.8 - 61.2 53.7 - 58.9 60.2 - 65.4
West Germany n = 8190 9563 9396 9026 9643 9873 9768 9721 9828 9579 9288 9549
HP 60.7% 60.5% 60.2% 60.8% 60.2% 59.5% 58.7% 60.0% 60.2% 63.6% 59.6% 62.2%
CI 95% 59.2 - 62.2 59.1 - 61.9 58.8 - 61.6 59.4 - 62.2 58.8 - 61.6 58.1 - 60.9 57.3 - 60.1 58.6 - 61.4 58.8 - 61.6 62.2 - 65.0 58.2 - 61.0 60.8 - 63.6
Rural areas with ≤ 50,000 inhabitants n = 6170 7035 7307 6991 7063 7226 7424 7591 5943 7810 7955 7557
HP 60.5% 60.1% 60.9% 61.2% 60.2% 57.2% 59.6% 58.4% 58.5% 61.2% 58.2% 62.2%
CI 95% 58.8 - 62.2 58.5 - 61.7 59.3 - 62.5 59.6 - 62.8 58.6 - 61.8 55.6 - 58.8 58.0 - 61.2 56.8 - 60.0 56.7 - 60.3 59.7 - 62.7 56.7 - 59.7 60.6 - 63.8
Urban areas with > 50,000 inhabitants n = 4729 5202 5082 5076 5385 5277 5114 4759 6544 4253 4196 4562
HP 61.4% 61.3% 57.5% 60.4% 60.2% 62.1% 59.8% 64.6% 61.3% 64.9% 60.0% 62.5%
CI 95% 59.4 - 63.4 59.4 - 63.2 55.6 - 59.4 58.5 - 62.3 58.3 - 62.1 60.2 - 64.0 57.9 - 61.7 62.7 - 66.5 59.6 - 63.0 62.9 - 66.9 57.9 - 62.1 60.5 - 64.5
  1. The table shows the one-year prevalence rates of self-reported headaches at 95% confidence intervals (CI95%) for residents of former East and West Germany (East: 60.2%, West: 60.5%, contingency table χ2(1) = 0.78; p=0.38), residents of cities of 50,000 inhabitants and more, and residents of places up to 49,999 inhabitants ( Rural: 59.9%; Urban: 61.3% contingency table χ2( (1)= 29.67; p<0.0001). Basic population is the German-speaking population aged 14 years and older. (HP: headache prevalence in %; CI: confidence interval).