Table 5. Results of the generalized linear mixed models presented with Odds Ratios (OR), p-values (p-val), Akaike Information Criteria (AIC) and Bayesian Information Criteria (BIC).

	Model 1—Unconditonal		Model 2—Linear		Model 3—Quadratic		Model 4—Age/Gender		Model 5—Meteorological Model		Model 6—Best Model
	OR	p-val	OR	p-val	OR	p-val	OR	p-val	OR	p-val	OR	p-val
Fixed Effects
Time in years(linear)			0.4493	< 0.0001	0.2154	< 0.0001	0.2170	< 0.0001	0.2170	< 0.0001	0.2176	< 0.0001
Time in years 2(quadratic)					1.8129	0.0139	1.8084	0.0145	1.8054	0.0149	1.8021	0.0151
Age in years							0.9785	0.0085	0.9795	0.0111	0.9795	0.0111
Female							0.8084	0.4193
Diff Pressure0 in hPa									0.9929	0.1466
Diff Pressure1 in hPa									1.0146	0.0047	1.0098	0.029
Diff Pressure2 in hPa									0.9917	0.1013
Diff Pressure3 in hPa									1.0031	0.5249
Variance of Random Effect
Intercept	0.9281		0.8919		0.8674		0.7316		0.7338		0.7328
AIC	4328.7		4302.8		4299.4		4296.7		4294.9		4292.7
BIC	4343,4		4324,8		4328,7		4340,8		4361,0		4336,7

Model 1 assumes no change over time (in years), model 2 includes a linear change in time, model 3 an additional quadratic change in time, model 4 incorporates gender and age, model 5 incorporates all atmospheric pressure changes, and model 6 represents the best model regarding AIC.