Journal of Neurology Research, ISSN 1923-2845 print, 1923-2853 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Neurol Res and Elmer Press Inc
Journal website http://www.neurores.org

Original Article

Volume 5, Number 3, June 2015, pages 193-198


The Importance of Some Possible Somatic and Environmental Risk Factors for the Development of Migraine

Figure

Figure 1.
Figure 1. Flowchart of the study population aged 18 - 41.

Tables

Table 1. Associations Between Asthma, Epilepsy and Low Back Pain and the 8-Year Risk of Development of Migraine in a Danish Population Aged 18 - 41
 
DiseaseMigraine prevalence in % (n)MA prevalence in % (n)MO prevalence in % (n)
Asthma
Without asthma
OR (95% CI)
15.0 (1,127)
13.8 (1,735)
1.10 (0.89 - 1.35)
6.2 (42)
4.9 (555)
1.29 (0.92 - 1.79)
9.9 (70)
9.8 (1,180)
1.01 (0.78 - 1.30)
Epilepsy
Without epilepsy
OR (95% CI)
14.7 (29)
13.9 (1,841)
1.07 (0.72 - 1.58)
4.5 (8)
5.0 (595)
0.91 (0.45 - 1.87)
11.1 (21)
9.8 (1,246)
1.14 (0.73 - 1.80)
Low back pain
Without low back pain
OR (95% CI)
15.0 (1,257)
12.0 (611)
1.29 (1.17 - 1.44)
5.6 (423)
3.9 (181)
1.47 (1.23 - 1.76)
10.5 (834)
8.8 (430)
1.22 (1.08 - 1.38)

 

Table 2. Associations Between Environmental Factors and the 8-Year Risk of Development of Migraine in a Danish Population Aged 18 - 41
 
Environmental factorMigraine prevalence in % (n)MA prevalence in % (n)MO prevalence in % (n)
Low education
High education
OR (95% CI)
14.5 (1,393)
11.4 (208)
1.32 (1.13 - 1.54)
5.1 (440)
4.0 (67)
1.29 (1.00 - 1.68)
10.4 (953)
8.0 (141)
1.33 (1.11 - 1.60)
Heavy physical workload
Low physical workload
OR (95% CI)
14.7 (883)
13.2 (967)
1.13 (1.02 - 1.25)
4.9 (263)
4.9 (331)
0.98 (0.83 - 1.17)
10.8 (620)
9.1 (636)
1.21 (1.07 - 1.36)
Heavy physical rec. activity
Low physical rec. activity
OR (95% CI)
14.7 (907)
12.9 (813)
1.16 (1.05 - 1.29)
5.3 (294)
4.7 (268)
1.14 (0.96-1.35)
10.4 (613)
9.1 (545)
1.17 (1.04 - 1.32)
Underweight
Normal weight
OR (95% CI)
17.7 (121)
14.0 (1,393)
1.32 (1.08 - 1.62)
8.2 (50)
4.8 (429)
1.78 (1.32 - 2.40)
11.2 (71)
10.1 (964)
1.12 (0.87 - 1.45)
Overweight
Normal weight
OR (95% CI)
12.8 (291)
14.0 (1,393)
0.90 (0.79 - 1.04)
4.9 (101)
4.8 (429)
1.02 (0.81 - 1.28)
8.8 (190)
10.1 (964)
0.85 (0.73 - 1.00)
Obese
Normal weight
OR (95% CI)
13.4 (54)
14.0 (1,393)
0.95 (0.71 - 1.28)
4.4 (16)
4.8 (429)
0.92 (0.55 - 1.53)
9.8 (38)
10.1 (964)
0.97 (0.69 - 1.36)
Current or former smoker
Non-smoker
Odds ratio (95% CI)
13.8 (907)
14.1 (968)
0.97 (0.88 - 1.07)
5.1 (306)
4.8 (295)
1.08 (0.91 - 1.27)
9.6 (601)
10.2 (673)
0.93 (0.82 - 1.04)
Regular alcohol consumption
Occasionally alcohol cons.
OR (95% CI)
12.2 (948)
17.8 (752)
0.64 (0.58 - 0.71)
4.2 (298)
6.9 (256)
0.59 (0.50 - 0.70)
8.7 (650)
12.5 (496)
0.67 (0.59 - 0.76)