Table 1.

Baseline characteristics of the study participants.

	Persons with Parkinson’s disease
	N total		N total
Male gender, n (%)	1581	981 (62%)	7905	4900 (62%)
Birth year, median [IQR]	1581	1944 [1938, 1949]	7905	1944 [1938, 1949]
Age at baseline, median [IQR]	1581	72 [66, 77]	7905	72 [66, 77]
Age at onset, median [IQR]	1311	65 [57, 71]
Age at diagnosis, median [IQR]	1442	67 [59, 73]
Years since onset, median [IQR]	1311	6 [3, 10]
Years since diagnosis, median [IQR]	1442	4.2 [1.6, 8.6]
Hoehn and Yahr stage at baseline, median [IQR]	1305	[1.5, 3.0]
Hoehn and Yahr ≤ 2.0, median [IQR]	751	[1.0, 2.0]
Hoehn and Yahr > 2.0, median [IQR]	554	3.0 [2.5, 3.0]
Follow up time PD cohort (years), mean [SD]	1362	9.4 [6.1]	6846	[6.3]
Hoehn and Yahr ≤ 2.0, mean [SD]	695	[4.8]
Hoehn and Yahr > 2.0, mean [SD]	504	11.6 [6.8]
Marital status	1559		7784
Married		1023 (66%)		4518 (58%)
Single/unmarried		362 (23%)		2291 (29%)
Widowed		172 (19%)		971 (12%)
Family disposable income (1000 SEK), median [IQR]	1599	334 [218, 517]	7784	291 [178, 469]

IQR interquartile range, SD standard deviation.