From: Reduced caregiving quality measured during the strange situation procedure increases child’s autonomic nervous system stress response
Disrupted
Non-disrupted
Chi2-test
N
Male (%)
Female (%)
Chi2
df
p
Infant sex
163
65.5
72.2
.84
1
.36
Independent t-test
M
SD
t
Mother’s age at laboratory visit
157
33.22
5.13
33.54
3.69
.43
155
.67