. 2020 May 13;15(5):537–549. doi: 10.1093/scan/nsaa067

Table 1.

Descriptive statistics for self-report measures

Measure	Romantic partner	Parent/child	Close friend	Acquaintance
WHOTO (M, s.d.) out of 40	Young: 32.83, 6.80	Young: 22.31, 8.46	Young: 6.97, 7.56	Young: 0, 0
WHOTO (M, s.d.) out of 40	Older: 36.70, 6.59	Older: 17.04, 9.65	Older: 4.70, 5.59	Older: 0, 0
IOS (M, s.d.) out of 7	Young: 4.83, 1.23	Young: 2.93, 1.39	Young: 2.97, 1.55	Young: 1.55, 0.69
IOS (M, s.d.) out of 7	Older: 5.22, 1.45	Older: 3.52, 1.50	Older: 2.89, 1.53	Older: 2.30, 1.38
Length of relationship (M, s.d.) in years	Young: 3.66, 2.45	Young: 22.90, 4.81	Young: 6.96, 5.49	Young: 4.20, 4.01
Length of relationship (M, s.d.) in years	Older: 36.29, 12.42	Older: 29.27, 2.44	Older: 29.15, 13.30	Older: 29.88, 16.37

Note: WHOTO, self-report measure of attachment figures; IOS, Inclusion of Other in Self, self-report measure of perceived closeness