Height in Finland
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Question
What are the heights (and weights) in subgroups of Finnish population?
Rationale
Data
The most comprehensive information on heights of Finnish children are gender specific growth curves. They were previously used to extract the mean and 95% confidence interval (CI) of height at each age (month or year) from 0 to 18 years. See results of variable Height of 018 year old Finnish children. Based on this information probability distributions of heights of children aged 02 years and 218 years were constructed. Heights of males and females are studied separately. It was assumed that the height for each 1month or 1year age specific interval follows a normal distribution with mean being the mean reported in growth tables and standard deviation (SD) being the higher value of SDs calculated from the bounds of the 95% CI. 2500 values of heights for each 1month and 1year age interval were simulated from respective normal distributions and then grouped to match groups 02 years (months from 0 to 24) and 218 years (years from 2 to 18). Since none of parametric distributions fits the resulting data sets the empirical distribution of heights was constructed. Moreover, based on simulated data Spearman's rank correlation between age and height in each age/gender group was calculated.
Results of one simulation. For each age/gender group mean height, standard deviation (sd) and five percentiles (5th, 25th, 50th, 75th, 95th) are provided.
02 years males  02 years females  218 years males  218 years females  
mean  73.4702  72.5382  133.7701  131.3875 
sd  10.1565  10.082  26.7919  25.8096 
p5  53.5802  53.6169  89.6924  87.2984 
p25  66.9607  65.5615  112.7309  110.5635 
p50  75.4076  73.968  134.202  132.3863 
p75  81.2614  80.4295  155.0239  155.0243 
p95  87.1823  86.706  176.0145  176.7712 
Spearman's rank correlation per age and gender:
02 years males  02 years females  218 years males  218 years females  
Spearman's rank correlation  0.944  0.948  0.976  0.968 
See also
 Kasvuseula
 THL: uudet kasvukäyrät [1]
 Kasvukäyrättutkimusryhmä
 Height of 018 year old Finnish children