Table 4.

Features of network typologies.

Network type	Number (% of total) Simple star			Number (% of total) Complex star			Number (% of total) Sub-group			Number (% of total) Total
	16 (36)			16 (36)			12 (27)			44 (100)
Characteristic	mean	min–max	SD	mean	min–max	SD	mean	min–max	SD	mean	min–max	SD
Number of actors	11	6–15	3.1	15	12–19	2.2	19	14–26	3.4	14.5	6–26	4.2
Number of ties	31.4	14–56	11.9	55.6	38–77	10.5	80.9	56–192	38.2	53.7	14–192	29.3
Average density	0.3	0.2–0.6	0.1	0.3	0.2–0.5	0.1	0.2	0.2–0.3	0	0.3	0.2–0.6	0.1
Centrality	0.9	0.5–1.0	0.1	0.8	0.6–0.9	0.1	0.8	0.8–0.9	0.1	0.8	0.5–1.0	0.1
Number of sub-groups	3.2	0–5	1.4	6.7	6–8	0.8	10.8	9–15	1.7	6.5	0–15	3.3
	Number (%) of networks of each type in which the informal caregiver is the central person next to the respondent
Informal caregiver	3 (19)			6 (38)			4 (33)			13 (30)