Table 2.

Factors associated Parkinson’s disease along with osteoporosis in Korean population between 2009 and 2013

Variable	2009		2010		2011		2012		2013
	aOR (95% CI)	p-value	aOR (95% CI)	p-value	aOR (95% CI)	p-value	aOR (95% CI)	p-value	aOR (95% CI)	p-value
Age (years)
≤64	1		1		1		1		1
≥65	3.79 (3.53–4.08)	<0.001	2.81 (2.63–3.00)	<0.001	2.22 (2.09–2.37)	<0.001	2.45 (2.29–2.62)	<0.001	2.69 (2.51–2.89)	<0.001
Gender
Male	1		1		1		1		1
Female	5.78 (5.46–6.13)	<0.001	4.86 (4.60–5.14)	<0.001	6.90 (6.52–7.31)	<0.001	6.06 (5.73–6.41)	<0.001	8.48 (7.98–9.02)	<0.001
Type of insurance
Health insurance	1		1		1		1		1
Medical aid	1.63 (1.54–1.72)	<0.001	1.22 (1.16–1.29)	<0.001	0.76 (0.72–0.81)	<0.001	0.95 (0.90–1.01)	0.097	1.16 (1.10–1.22)	<0.001
Type of medical center
Tertiary teaching hospital	1		1		1		1		1
General hospital	0.75 (0.72–0.79)	<0.001	1.05 (1.00–1.10)	0.04	1.25 (1.19–1.30)	<0.001	0.97 (0.93–1.02)	0.215	0.98 (0.94–1.02)	0.335
Hospital	0.28 (0.26–0.31)	<0.001	0.57 (0.53–0.61)	<0.001	0.46 (0.43–0.49)	<0.001	0.51 (0.48–0.55)	<0.001	0.39 (0.36–0.42)	<0.001
Clinic	0.95 (0.86–1.05)	0.295	0.69 (0.61–0.78)	<0.001	0.66 (0.59–0.75)	<0.001	0.32 (0.28–0.37)	<0.001	0.47 (0.41–0.54)	<0.001
Region
Metropolitan	1		1		1		1		1
Non-metropolitan	1.05 (1.00–1.10)	0.057	0.68 (0.65–0.71)	<0.001	0.63 (0.60–0.66)	<0.001	0.89 (0.85–0.93)	<0.001	0.93 (0.89–0.97)	0.001
Charlson comorbidity index
0	1		1		1		1		1
1–2	1.81 (1.71–1.93)	<0.001	1.29 (1.22–1.35)	<0.001	1.29 (1.23–1.36)	<0.001	1.14 (1.09–1.19)	<0.001	1.90 (0.86–0.95)	<0.001
≥3	2.06 (1.93–2.20)	<0.001	1.56 (1.47–1.65)	<0.001	1.30 (1.22–1.38)	<0.001	1.38 (1.30–1.47)	<0.001	1.22 (1.15–1.30)	<0.001

Values are presented as number (%). aOR : adjusted odds ratio, CI : confidence interval