Table 3 Univariate and multivariable analysis of variables associated with participant report of receiving health care provider counseling to gain a specific amount or range

Study group

KT group vs. control group [9] (reference)

3.70 (2.38-5.56)

<0.001*

3.45 (2.22-5.37)

<0.001^†

Maternal age

Age as a continuous variable (per year)

1.00 (0.96-1.03)

0.865

-

-

Ethnicity

Caucasian vs. non-Caucasian (reference)

1.16 (0.74-1.82)

0.526

-

-

Education

Any post-secondary education vs. secondary education or less (reference)

1.21 (0.74-1.97)

0.440

-

-

Income

Low vs. middle income (reference)

1.06 (0.59-1.92)

0.845

-

-

High vs. middle income (reference)

1.24 (0.78-1.95)

0.364

-

-

Smoking

Current smoker vs. non-smoker (reference)

1.19 (0.63-2.22)

0.592

-

-

Chronic health condition

Has chronic health condition vs. does not have chronic health condition (reference)

1.00 (0.62-1.59)

0.988

-

-

Pregnancy history

First birth vs. one or more previous birth (reference)

1.73 (1.17-2.57)

O0.006*

1.75 (1.15-2.67)

0.010^†

Prepregnancy BMI

Underweight vs. normal weight (reference)

1.42 (0.66-3.08)

0.369

1.42 (0.64-3.17)

0.392

Overweight vs. normal weight (reference)

1.72 (1.06-2.78)

0.028*

1.80 (1.08-3.01)

0.024^†

Obese vs. normal weight (reference)

1.26 (0.71-2.24)

0.434

1.32 (0.71-2.46)

0.378