Table 6 Univariate and multivariable analysis of variables associated with the belief that there are risks to themselves in gaining inadequate gestational weight

Study group

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

1.96 (1.01-3.70)

0.046*

1.99 (0.92-4.30)

0.080

Maternal age

Age as a continuous variable (per year)

1.00 (0.94-1.06)

0.991

-

-

Ethnicity

Caucasian vs. non-Caucasian (reference)

0.78 (0.38-1.64)

0.522

-

-

Education

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

2.11 (0.82-5.42)

0.121

-

-

Income

Low vs. middle income (reference)

1.07 (0.36-3.19)

0.910

1.06 (0.33-3.40)

0.916

High vs. middle income (reference)

2.18 (1.01-4.70)

0.046*

2.18 (0.97-4.93)

0.061

Smoking

Current smoker vs. non-smoker (reference)

0.54 (0.17-1.68)

0.286

-

-

Chronic health condition

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

1.06 (0.52-2.17)

0.874

-

-

Pregnancy history

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

1.46 (0.79-2.70)

0.229

-

-

Prepregnancy BMI

Underweight vs. normal weight (reference)

0.27 (0.07-0.99)

0.048*

0.34 (0.09-1.30)

0.115

Overweight vs. normal weight (reference)

0.44 (0.21-0.90)

0.025*

0.44 (0.19-0.98)

0.044^†

Obese vs. normal weight (reference)

0.05 (0.01-0.37)

0.003*

0.05 (0.01-0.36)

0.003^†