Table 2.
Incidence of PD according to the baseline fall history and depressive symptoms
| Total number | Number of PD occurrence | Person-years | Incidence Ratea (1/1000) | Adjusted HRb (95% CI) | |||
|---|---|---|---|---|---|---|---|
| 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