Table 3.

Medians (IQR) for each Toddler Behavior Assessment Questionnaire scale by participant characteristics.

Characteristics	Activity (N=278)	Anger (N=268)	Social Fear (N=257)	Interest (N=261)	Pleasure (N=269)
	Median (IQR)	Median (IQR)	Median (IQR)	Median (IQR)	Median (IQR)
Alcohol use ab
No	4.5 (3.9 – 5.1)**	4.0 (3.4 – 4.7)	4.2 (3.6 – 4.9)	4.9 (4.4 – 5.5)**	5.8 (5.4 – 6.2)*
Yes	4.2 (3.5 – 4.7)**	4.0 (3.4 – 4.4)	4.0 (3.6 – 4.7)	4.7 (4.2 – 5.1)**	5.5 (5.2 – 5.9)*
Marital status a
Married/cohabiting	4.3 (3.7 – 4.8)**	3.8 (3.3 – 4.6)*	4.1 (3.6 – 5.0)	4.9 (4.4 – 5.4)	5.7 (5.3 – 6.2)
Other	4.6 (4.1 – 5.2)**	4.1 (3.5 – 4.8)*	4.1 (3.5 – 4.8)	4.8 (4.3 – 5.5)	5.8 (5.4 – 6.2)
Maternal race
White	3.9 (3.6 – 4.6)**	3.6 (3.1 – 4.0)**	4.0 (3.4 – 4.5)	4.7 (4.3 – 5.2)**	5.5 (5.2 – 5.8)**
Black	4.8 (4.0 – 5.3)**	4.4 (3.5 – 4.9)**	4.3 (3.6 – 5.1)	4.7 (4.2 – 5.4)**	5.8 (5.4 – 6.3)**
Hispanic/other	4.5 (4.0 – 5.1)**	4.0 (3.4 – 4.9)**	4.2 (3.6 – 4.9)	5.0 (4.5 – 5.6)**	5.8 (5.4 – 6.4)**
Breastfeeding
No	4.6 (4.1 – 5.2)**	4.1 (3.4 – 4.9)*	4.2 (3.6 – 5.0)	4.8 (4.1 – 5.5)	5.7 (5.3 – 6.0)
Yes	4.4 (3.8 – 5.0)**	3.9 (3.4 – 4.6)*	4.1 (3.5 – 4.8)	4.9 (4.5 – 5.4)	5.8 (5.4 – 6.3)
Maternal education
High school	4.6 (4.2 – 5.3)**	4.1 (3.5 – 5.0)**	4.3 (3.7 – 5.1)*	4.9 (4.5 – 5.5)	5.8 (5.4 – 6.4)**
Some college	4.5 (3.8 – 5.2)**	4.0 (3.4 – 4.7)**	4.2 (3.5 – 4.9)*	4.8 (4.2 – 5.4)	5.8 (5.5 – 6.1)**
College graduate	4.0 (3.6 – 4.6)**	3.6 (3.1 – 4.3)**	4.0 (3.4 – 4.6)*	4.8 (4.3 – 5.3)	5.6 (5.2 – 5.9)**
Child’s sex
Male	4.4 (3.9 – 5.1)	3.9 (3.3 – 4.6)	4.1 (3.5 – 4.7)	4.9 (4.3 – 5.4)	5.8 (5.3 – 6.3)
Female	4.5 (3.8 – 5.1)	4.0 (3.5 – 4.9)	4.3 (3.7 – 4.9)	4.8 (4.4 – 5.3)	5.7 (5.4 – 6.1)
Maternal age
<20 years	4.6 (4.1 – 5.3)**	4.0 (3.4 – 4.9)**	4.3 (3.6 – 5.0)	4.8 (4.3 – 5.4)	5.8 (5.4 – 6.3)**
20–<30 years	4.4 (3.8 – 5.2)**	4.1 (3.4 – 4.8)**	4.0 (3.6 – 5.0)	4.9 (4.4 – 5.6)	5.8 (5.5 – 6.2)**
30+ years	4.1 (3.7 – 4.7)**	3.6 (3.2 – 4.3)**	4.1 (3.6 – 4.6)	4.8 (4.3 – 5.2)	5.5 (5.1 – 6.1)**
Smoking a
No	4.4 (3.8 – 5.1)	4.0 (3.4 – 4.7)	4.2 (3.6 – 4.9)	4.9 (4.4 – 5.4)	5.7 (5.4 – 6.2)
Yes	4.5 (3.9 – 5.1)	4.0 (3.4 – 4.7)	4.0 (3.3 – 4.4)	4.7 (4.1 – 5.5)	5.7 (5.4 – 6.2)
Total HOME year 2 c
Tertile 1	4.7 (4.2 – 5.2)**	4.3 (3.4 – 4.9)**	4.1 (3.6 – 4.8)	4.7 (4.2 – 5.2)**	5.7 (5.4 – 6.1)
Tertile 2	4.4 (3.8 – 5.0)**	4.0 (3.4 – 4.9)**	4.3 (3.5 – 5.0)	4.9 (4.5 – 5.3)**	5.8 (5.4 – 6.2)
Tertile 3	4.1 (3.6 – 4.8)**	3.8 (3.2 – 4.1)**	4.1 (3.4 – 4.7)	5.1 (4.6 – 5.5)**	5.8 (5.3 – 6.2)

Abbreviations: IQR, Interquartile Range; HOME, Home Observation for Measurement in the Environment

^aDuring pregnancy

^b7 missing alcohol use

^c2 missing HOME score

^*Kruskal Wallis test p-value < 0.10

^**Kruskal Wallis test p-value < 0.05