Table 7 Univariate and multivariable analysis of variables associated with the belief that there are risks to their infants in gaining inadequate gestational weight

Study group

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

2.70 (1.49-5.00)

0.001*

2.48 (1.14-5.37)

0.021^†

Maternal age

Age as a continuous variable (per year)

0.98 (0.93-1.04)

0.565

-

-

Ethnicity

Caucasian vs. non-Caucasian (reference)

1.82 (0.89-3.70)

0.105

-

-

Education

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

4.43 (1.79-10.97)

0.001*

5.36 (1.50-19.17)

0.010^†

Income

Low vs. middle income (reference)

0.53 (0.20-1.40)

0.199

0.56 (0.17-1.88)

0.350

High vs. middle income (reference)

1.96 (1.00-3.85)

0.050*

1.52 (0.67-3.45)

0.315

Smoking

Current smoker vs. non-smoker (reference)

0.34 (0.11-1.00)

0.051*

0.87 (0.18-4.15)

0.866

Chronic health condition

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

3.02 (1.44-6.32)

0.003*

3.39 (1.32-8.69)

0.011^†

Pregnancy history

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

2.43 (1.36-4.36)

0.003*

2.10 (1.00-4.42)

0.051

Prepregnancy BMI group

Underweight vs. normal weight (reference)

0.50 (0.17-1.46)

0.206*

0.82 (0.21-3.14)

0.775

Overweight vs. normal weight (reference)

0.45 (0.23-0.89)

0.022*

0.45 (0.20-1.05)

0.064

Obese vs. normal weight (reference)

0.14 (0.05-0.37)

<0.001*

0.09 (0.03-0.31)

<0.001^†