Table 1 Population characteristics of cases and controls*
From: Short communication: genetic variations of SLC2A9 in relation to Parkinson’s disease
Control (%) | Case (%) | |
|---|---|---|
N | 911 | 788 |
Gender | ||
Men | 725 (79.58) | 606 (76.90) |
Women | 186 (20.42) | 182 (23.10) |
Age at baseline, years | 63.5 ± 4.8 | 63.0 ± 5.0 |
Smoking status | ||
Never | 318 (34.91) | 363 (46.07) |
Former | 540 (59.28) | 391 (49.62) |
Current | 49 (5.38) | 23 (2.92) |
Caffeine intake, mg/day | 364.91 ± 362.26 | 295.54 ± 334.69 |
Age at onset, year | 65.73 ± 7.43 | |
Age at diagnosis, year | 66.65 ± 7.37 |