Table 2 Cross-sectional correlations between women’s characteristics and leptin levels measured at 1^st and 2^nd trimester

Characteristics at 1^st trimester

r

P value

Age (years)

0.04

0.31

Gestational weeks

0.12

0.002

Body mass index (kg/m²)

0.73

<0.0001

% body fat

0.74

<0.0001

Systolic blood pressure (mmHg)

0.21

<0.0001

Diastolic blood pressure (mmHg)

0.25

<0.0001

Physical activity (kcal/kg/day)

−0.11

0.005

Nutrition

 Fruits & vegetables (per day)

−0.09

0.02

 Restaurant meals (per week)

0.10

0.01

Characteristics at 2^nd trimester

r

P value

Gestational weeks

−0.04

0.25

Body mass index (kg/m²)

0.67

<0.0001

% body fat

0.69

<0.0001

Systolic blood pressure (mmHg)

0.23

<0.0001

Diastolic blood pressure (mmHg)

0.31

<0.0001

Physical activity (kcal/kg/day)

−0.07

0.08

Nutrition

 Fruits & vegetables (per day)

−0.09

0.02

 Restaurant meals (per week)

0.09

0.02