who0607 | R Documentation |

The WHO growth standard (WHO 2006) and growth reference (2007) for height, weight and body mass index, fitted by the LMS method and summarised by values of L, M and S by sex from birth to 19 years.

```
who0607
```

A tibble with 486 observations on the following 11 variables:

- years
age from 0 to 19 years

- L.ht
numeric vector

- M.ht
numeric vector

- S.ht
numeric vector

- L.wt
numeric vector

- M.wt
numeric vector

- S.wt
numeric vector

- L.bmi
numeric vector

- M.bmi
numeric vector

- S.bmi
numeric vector

- sex
two-level factor with level 1 male and level 2 female

The L, M and S values for each measurement correspond respectively to the
Box-Cox power, median and coefficient of variation of the distribution by
age and sex (Cole & Green 1992). The short names and units for each measurement (see
`LMS2z`

) are as follows: height (ht, cm), weight (wt, kg) and body mass
index (bmi, kg/m2).

Cole TJ, Green PJ. Smoothing reference centile curves: the LMS method and penalized likelihood. Stat Med 1992;11:1305-19.

World Health Organization. WHO Child Growth Standards: Methods and development: Length/height-for-age, weight-for-age, weight-for-length, weight-for-height and body mass index-for-age. Geneva: WHO; 2006.

de Onis M, Onyango AW, Borghi E, Siyam A, Nishida C, Siekmann J. Development of a WHO growth reference for school-aged children and adolescents. Bull WHO 2007;85:660-7.

```
data(who0607)
## calculate 98th centile for BMI in girls from birth to 19 years
round(
setNames(
LMS2z(x = 0:19, y = 2, sex = 2, measure = 'bmi', ref = 'who0607',
toz = FALSE), 0:19), 1)
```

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