Table 3.

Demographic data.

	Group A			Group B			Group C
	N = 71			N = 75			N = 76
Gender	F = 35		M = 36	F = 36		M = 39	F = 36		M = 40
Duration of PD (months) ∅ ± SD		98 ± 8			95 ± 9			100 ± 6
Stage (Hoehn and Yahr)
II		N = 7			N = 6			N = 10
III		N = 55			N = 59			N = 58
IV		N = 9			N = 10			N = 8
Medication
L-Dopa		Yes: N = 68			Yes: N = 64			Yes: N = 59
Dopamine agonist		Yes: N = 53			Yes: N = 56			Yes: N = 59
MA0 inhibitor		N = 43			N = 38			N = 43
COMT inhibitor		N = 33			N = 31			N = 34
Antidepressants		N = 7			N = 8			N = 8
Neuroleptic drugs		N = 5			N = 8			N = 7
Formal education (years) ∅ ± SD		10 ± 1.2			11 ± 0.6			11 ± 1.0
Marital status m = married, s = single, and p = partner	m = 58	s = 9	p = 5	m = 61	s = 11	p = 3	m = 63	s = 9	p = 4
Home (own home, renting)	Own: N = 40		Renting: N = 32	Own: N = 43		Renting; N = 32	Own: N = 40		Renting: N = 36
BMI ∅ ± SD		27.5 ± 4			26.8 ± 7			27.2 ± 3
Smoking	Yes:  N = 7		No: N = 65	Yes:  N = 10		No: N = 65	Yes:  N = 9		No: N = 67
Sports activities (min)/week ∅ ± SD		155 ± 17			163 ± 25			147 ± 17
Physical work h/week ∅ ± SD
Very hard		8.5 ± 2.6			9.2 ± 2.8			9.8 ± 2.1
Hard		15.5 ± 4.5			14.9 ± 5			15.1 ± 5.5
Comorbidity
Coronary heart disease		N = 7			N = 6			N = 8
Hypertension		N = 32			N = 33			N = 36
Diabetes mellitus		N = 7			N = 10			N = 8
COPD		N = 5			N = 6			N = 9
Thyroid disease		N = 12			N = 10			N = 11
Hypercholesterinaemia		N = 36			N = 32			N = 27
Osteoarthritis		N = 27			N = 31			N = 34

Number of patients is shown as total number, mean values are shown ∅ ± SD.