Table 2

Parental perception of infant temperament : Assessment using the Infant Characteristics Questionnaire (ICQ)* at enrollment and study end^†

ICQ subscale^§

enrollment^‡

study end^‡

INTACT

PH

INTACT

PH

Fussy-difficult

25.6 ± 0.79

24.7 ± 0.80

25.5 ± 0.81

25.8 ± 0.82

Adaptable

11.8 ± 0.50

11.6 ± 0.51

10.4 ± 0.51^a

10.9 ± 0.52

Dull

14.8 ± 0.45

15.3 ± 0.46

9.8 ± 0.47^b

10.2 ± 0.47^b

Predictable

16.7 ± 0.54

16.6 ± 0.54

16.0 ± 0.55

16.4 ± 0.56

* A lower ICQ score is closer to optimal behavior

^† Study end: day 60 (study completion) or early study discontinuation at any time point

^‡ Comparisons at time-points between study groups for ICQ subscale were not statistically significant, P > 0.05.

^§Least square means ± SE

^a score at enrollment vs. day 60, P = 0.001

^b score at enrollment vs. day 60, P < 0.001

Berseth et al. Nutrition Journal 2009 8:27   doi:10.1186/1475-2891-8-27