Table 6.

Characteristics of the subsample of participants in the interview study

Nr	Relationship	Disease type	Sex	Age	Working status	Time since PD diagnosis	Duration caregiving involvement	Caregiver burden (ZBI)
								Score	Category
C01	Partner	PD	Woman	75	Retired	8 years	> 5 years	48	Moderate to severe burden
C02	Partner	PD	Man	83	Retired	2 years	2–5 years	17	Little or no burden
C03	Partner	PD	Man	70	Retired	1 year	< 1 year	9	Little or no burden
C04	Partner	PD	Man	59	Part time	6 years	2–5 years	30	Mild to moderate burden
C05	Partner	PD	Woman	65	Retired	6 years	> 5 years	11	Little or no burden
C06	Partner	PD	Woman	57	Full time	2 years	1 year	6	Little or no burden
C07	Partner	PD	Woman	58	Part time	9 years	> 5 years	43	Moderate to severe burden
C08	Partner	Atypical parkinsonism	Woman	73	Retired	3 years	< 1 year	13	Little or no burden
C09	Daughtera	PD	Woman	50	Part time	2 years	2–5 years	34	Mild to moderate burden
C10	Son	PD	Man	53	Unemployed	2 years	< 2 years	13	Little or no burden
C11	Partner	PD	Woman	47	Full time	5 years	2–5 years	19	Little or no burden
C12	Daughter	PD	Woman	51	Part time	14 years	2–5 years	42	Moderate to severe burden
C13	Partner	PD	Woman	74	Retired	20 years	NA	40	Mild to moderate burden
C14	Partner	PD	Woman	77	Retired	4 years	2–5 years	31	Mild to moderate burden
C15	Son	PD	Man	47	Full time	8 years	1–2 years	5	Little or no burden
C16	Friend	PD	Woman	62	Full time	9 years	2–5 years	15	Little or no burden
C17	Partner	PD	Woman	71	Retired	7 years	NA	11	Little or no burden

ZBI Zarit Burden Interview, NA missing data

^aAt the time of the interview the mother with PD was deceased