Table 4 Correlation matrix of childhood BMI trajectory characteristics (N = 3,289)

1 week to infancy peak

1

Age at infancy peak, months

2

BMI at infancy peak, kg/m²

0.39

3

Change in BMI, kg/m²

-0.03

0.45

4

Velocity, kg/m²/month

-0.25

0.34

0.96

5

Area under curve (kg/m²-months)

0.96

0.63

0.07

-0.14

Infancy peak to adiposity rebound

6

Age at adiposity rebound, months

-0.09

0.15

0.12

0.11

-0.08

7

BMI at adiposity rebound, kg/m²

0.59

0.76

0.26

0.13

0.76

-0.48

8

Age difference, months

-0.17

0.12

0.13

0.13

-0.16

0.99

-0.53

9

Change in BMI, kg/m²

0.46

0.01

-0.13

-0.20

0.42

-0.91

0.66

-0.94

10

Velocity, kg/m²/month

0.84

0.23

-0.10

-0.27

0.79

-0.54

0.71

-0.61

0.82

11

Area under curve (kg/m²-months)

-0.06

0.33

0.21

0.19

0.01

0.98

-0.32

0.97

-0.87

-0.51

Adiposity rebound to age 18 years

12

Change in BMI, kg/m²

-0.10

-0.18

-0.07

-0.01

-0.09

-0.94

0.38

-0.93

0.79

0.38

-0.93

13

Velocity, kg/m²/month

-0.08

-0.18

-0.07

-0.02

-0.07

-0.95

0.39

-0.93

0.80

0.40

-0.93

0.99

14

Area under curve (kg/m²-months)

0.22

0.16

0.03

0.00

0.28

-0.94

0.71

-0.95

0.91

0.64

-0.87

0.91

0.92