Table 1 Component Score Values of the Women's perception of the infant's difficult behaviors Scale estimated at the infant's age of 3 and 6 months

Prolonged or frequent diarrhea or constipation

0.15

0.08

Pronounced lack of interest in being fed or active refusal to eat

0.18

0.25

Excessive demand to be fed

0.21

0.22

Frequent waking and crying at night

0.27

0.20

General frequent and intense crying

0.31

0.29

Noticeable stiffening, turning away, or crying when picked up or handled

0.31

0.28

Pronounced clinging when picked up or intense crying when put down

0.20

0.33

Eigen value

2.44

2.33

Percent variance

34.9

33.26