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Table 3 Differences in values of BMI-percentiles (in BMI-units) between the two study populations NHS (1966/69) and Young-HUNT (1995/97)1

From: Changes in BMI-distribution from 1966–69 to 1995–97 in adolescents. The Young-HUNT study, Norway

 

Boys

Girls

Age

14

15

16

17

18

14

15

16

17

18

Percentiles(a)

          

2.5

-0.2

-0.16

-0.43*

-0.55

-0.87*

-0.6*

-0.28

-0.07

-0.04

-0.07

5

-0.11

-0.14

-0.18

-0.14

-0.93*

-0.45*

-0.36

-0.24

-0.12

0

10

0

-0.15

-0.09

-0.10

-0.59*

-0.39*

-0.03

-0.26

-0.09

0.02

15

-0.01

-0.16

-0.11

-0.04

-0.15

-0.37

-0.08

-0.32

0

0.09

25

0.08

-0.10

-0.17

0.15

0.11

-0.28

0.03

-0.1

0.14

0.04

50

0.28*

-0.05

0.21

0.39*

0.35

-0.2

0.26

0.02

-0.09

0.19

75

0.94

0.43

0.49

0.77

0.97

0.36

0.16

0.13

0.54

0.51

85

1.62

1.08

0.83

1.14

1.74

0.89

0.08

0.57

1.79

1.14

90

2.28*

1.89*

1.29*

1.72*

2.26*

0.9*

0.53

0.96

1.03

1.73*

95

2.94*

2.36*

3.04*

2.89*

2.73*

1.53*

1.15

1.4*

1.72*

2.71*

97.5

3.33*

2.78*

3.31*

4.43*

5.08*

2.24*

0.75

2.13*

2.29*

4.38*

  1. * p < .05 for mean difference equal to 0.
  2. 1 Since height and weight were rounded off, to the nearest cm and half kg, there is measurement error in the tabulated differences. Its standard deviation has been computed as 0.07, 0.03, and 0.12, BMI-units respectively, for the 2.5, 50, and 97.5 percentiles.