Table 4 Univariate and multivariable analysis of variables associated with participant report of discussing gestation weight gain topics with health care provider

Study group

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

6.67 (3.85-11.11)

<0.001*

7.96 (4.41-14.37)

<0.001^†

Maternal age

Age as a continuous variable (per year)

0.99 (0.95-1.02)

0.467

-

-

Ethnicity

Caucasian vs. non-Caucasian (reference)

0.67 (0.42-1.06)

0.091*

0.52 (0.31-0.89)

0.018^†

Education

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

1.52 (0.95-2.43)

0.083*

1.43 (0.83-2.47)

0.196

Income

Low vs. middle income (reference)

0.81 (0.45-1.43)

0.462

-

-

High vs. middle income (reference)

1.32 (0.83-2.08)

0.239

-

-

Smoking

Current smoker vs. non-smoker (reference)

0.74 (0.40-1.37)

0.344

-

-

Chronic health condition

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

1.00 (0.63-1.61)

0.987

-

-

Pregnancy history

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

2.24 (1.49-3.35)

0.001*

2.60 (1.66-4.07)

<0.001^†

Prepregnancy BMI

Underweight vs. normal weight (reference)

1.76 (0.77-4.02)

0.178

-

-

Overweight vs. normal weight (reference)

1.40 (0.85-2.30)

0.182

-

-

Obese vs. normal weight (reference)

0.86 (0.49-1.53)

0.616

-

-