Cost of Living with Parkinson’s Disease over 12 Months in Australia: A Prospective Cohort Study

Table 3

Population demographics.

​	Mild	Moderate–severe	Study population
​
Mean age (years)	68.1	69.6	69.0
	SD 9.4	SD 9.7	SD 9.6
40–65 years ()	12 (34%)	13 (25%)	25 (29%)
65+ years ()	23 (66%)	39 (75%)	62 (71%)
Gender
Female ()	13 (37%)	23 (44%)	36 (42%)
Male ()	22 (63%)	29 (56%)	51 (58%)
Mini mental state examination (mean)	28.7	26.7	27.5
	SD 1.9	SD 4.0	SD 3.4
Disease duration (years)	2.7	8.2	6.0
	SD 3.1	SD 5.4	SD 5.3
Disease severity (HY stage)	35 (40.2%)	52 (59.8%)	87 (100%)
Stage 1	22 (25.3%)	0	22 (25.3%)
Stage 1.5	2 (2.3%)	0	2 (2.3%)
Stage 2	11 (12.6%)	0	11 (12.6%)
Stage 2.5	0	26 (29.9%)	26 (29.9%)
Stage 3	0	16 (18.4%)	16 (18.4%)
Stage 4	0	10 (11.5%)	10 (11.5%)