Late-life falling and depressive symptoms associated with the risk of Parkinson’s disease: a nationwide cohort data analysis

Table 2 Incidence of PD according to the baseline fall history and depressive symptoms

	Total number	Number of PD occurrence	Person-years	Incidence Rate^a (1/1000)	Adjusted HR^b (95% CI)
	Total number	Number of PD occurrence	Person-years	Incidence Rate^a (1/1000)	Model 1	Model 2	Model 3
Individuals without the fall history	944,253	4131	3,993,223.44	1.03	1.00	1.00	1.00
Individuals with the fall history	63,939	352	270,964.24	1.30	1.25 (1.12–1.40)	1.25 (1.12–1.40)	1.24 (1.11–1.38)
Individuals without depressive symptoms	879,380	3735	3,703,887.61	1.00
Individuals with depressive symptoms	126,990	736	549,052.95	1.34	1.31 (1.21–1.42)	1.32 (1.22–1.43)	1.31 (1.21–1.42)

^aIncidence rates were expressed as per 1000 person-years
^bHRs were adjusted for sex (model 1), for sex, smoking, alcohol consumption, regular exercise, household income status (model 2) and for the same variables plus body mass index and the presence of hypertension, diabetes mellitus and hypercholesterolemia (model 3)
Abbreviations: CI confidence interval, HR hazard ratio

ISSN: 1471-2318