Table 1.

Sample Characteristics (N = 298)

Variable	Mean (SD)
Infant characteristics
Age at assessment of SSP, months	14.6 (0.9)
Gender, % girls	43.0
FKBP5 rs1360780 variant, %
CC	47.0
CT	45.0
TT	8.1
FKBP5 methylation factor 1, score	0.15 (0.02)
FKBP5 methylation factor 2, score	0.31 (0.04)
Resistant behavior, continuous score	2.2 (1.3)
Resistant attachment, % resistant	24.5
Disorganized attachment behavior, score	3.4 (1.8)
Cortisol reactivity in Δ nmol/L	0.7 (6.2)
Mother characteristics
Educational level, % lower	39.9
Smoking during pregnancy, % yes	11.4
Extreme insensitivity, continuous score	1.4 (1.0)
Extreme insensitive behaviors, % one or more	16.1

Note. SSP = Strange Situation Procedure