Table 2 Paired comparisons of reward-related eating, self-regulation, and home food environment during pregnancy and postpartum

Power of food scale (PFS)

2.22 ± 0.61

2.25 ± 0.77

0.04 ± 0.47, t = 1.15, p = 0.25

0.79

Modified Yale food addiction scale (mYFAS)

0.46 ± 0.91

0.48 ± 1.01

0.03 ± 0.94, t = 0.37, p = 0.71

0.52

 RVFQ-Breakpoint

2.48 ± 0.52

2.34 ± 0.56

−0.14 ± 0.60, t = −3.35, p = 0.001

0.38

 RVFQ-Intensity

0.64 ± 0.24

0.67 ± 0.26

0.03 ± 0.27, t = 1.39, p = 0.17

0.44

 RVFQ-O_max

2.36 ± 0.52

2.27 ± 0.58

−0.10 ± 0.62, t = −2.26, p = 0.03

0.38

 RVFQ-P_max

2.25 ± 0.47

2.08 ± 0.53

−0.17 ± 0.59, t = −3.99, p < 0.001

0.33

 RVFQ-Elasticity

0.02 ± 0.03

0.02 ± 0.02

−0.003 ± 0.03, t = −1.6, p = 0.10

0.36

Multiple choice procedure (MCP)

2.27 ± 0.63

2.27 ± 0.60

0.002 ± 0.64, t = 0.05, p = 0.96

0.45

Barratt impulsiveness scale, short form (BIS-15)

25.30 ± 5.59

27.20 ± 5.05

1.89 ± 3.48, t = 7.67, p < 0.001

0.79

Delaying gratification inventory (DGI)

139.56 ± 10.18

139.13 ± 12.05

−0.42 ± 7.91, t = − 0.77, p = 0.44

0.76

Delaying gratification inventory, food subscale (DGI-food)

24.19 ± 3.71

24.42 ± 3.90

0.23 ± 3.37, t = 0.98, p = 0.33

0.61

Home food inventory, obesogenic score (HFI-OBES)

22.16 ± 8.22

22.26 ± 8.49

0.09 ± 6.98, t = 0.20, p = 0.84

0.61

Home food inventory, fruit and vegetable score (HFI-FV)

18.77 ± 5.46

20.17 ± 6.32

1.40 ± 5.97, t = 3.58, p < 0.001

0.65