CODEBOOK
Summary of Growth data, July 2022                              2-2-2023

Start  ____Field____                                     Section/
Column Len  Format       Variable                        Question          Description		Code
------ --- --------- -------------------------------- ------------ ------------------------------ ------------------------------
    1    6           KID                                           CKiD ID number                 101001                        
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  399999                        

    7    3           VISIT                                         CKiD Visit number              10                            
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  620                           

   10    5 5.0       bw_grams                                      birth weight (grams)           550g                          
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  6000g                         
                                                                                                  blank= missing                

   15    3 3.0       GA                                            gestational age (weeks)        24weeks                       
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  40weeks                       
                                                                                                  blank= missing                

   18    3 3.0       LBW                                           low birth weight (BW<2500 g)   1= yes                        
                                                                                                  0= no                         
                                                                                                  blank= missing                

   21    3 3.0       premature                                     premature birth (GA<36 weeks)  1= yes                        
                                                                                                  0= no                         
                                                                                                  blank= missing                

   24    3 3.0       SGA                                           small for gestational age      1= yes                        
                                                                   (BW<10th %ile for GA)          0= no                         
                                                                                                  blank= missing                

   27    3 3.0       ICU                                           intensive care unit at birth   1= yes                        
                                                                                                  0= no                         
                                                                                                  blank= missing                

   30    6 6.1       AVHEIGHT                                      Average Height (cm)            50.00cm                       
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  250.0cm                       

   36    6 6.2       HTPCTag                                       Height/length percentile       00.00%                        
                                                                   based on age & gender          .                             
                                                                                                  .                             
                                                                                                  99.99%                        

   42    6 6.2       HAZag                                         Height/length adjusted z-      -9.99                         
                                                                   score based on age & gender    .                             
                                                                                                  .                             
                                                                                                  9.99                          

   48    6 6.2       Agemid                                        Age at MP between two visits   1.25yrs                       
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  50.0yrs                       

   54    6 6.2       Growthvel                                     Htdiff between two visits/     0.00cm/yr                     
                                                                   time between two visits (cm/   .                             
                                                                   yr)                            .                             
                                                                                                  20.00cm/yr                    

   60    7 7.2       GVZag                                         Growth velocity adjusted z-    -9.99                         
                                                                   score based on age & gender    .                             
                                                                                                  .                             
                                                                                                  9.99                          

   67    6 6.1       AVWEIGHT                                      Average Weight (kg)            3.0kg                         
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  175.0kg                       

   73    6 6.2       WTPCTag                                       Weight percentile based on     00.00%                        
                                                                   age & gender                   .                             
                                                                                                  .                             
                                                                                                  99.99%                        

   79    6 6.2       WAZag                                         Weight adjusted z-score based  -9.99                         
                                                                   on age & gender                .                             
                                                                                                  .                             
                                                                                                  9.99                          

   85    3 3.0       PIP_htwtdatecaution                           date ht/wt measured >6mo       1= yes                        
                                                                   after datebase date            0= no                         
                                                                                                  .= N/A (no PIP)               

   88    5 5.2       BSA                                           Body Surface Area              0.01m2                        
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  3.00m2                        

   93    5 5.1       BMI                                           Body Mass Index                14.0                          
                                                                                                  .                             
                                                                                                  .                             
                                                                                                  40.0                          

   98    6 6.2       BMIPCTag                                      Body Mass Index percentile     00.00%                        
                                                                   based on age & gender          .                             
                                                                                                  .                             
                                                                                                  99.99%                        

  104    6 6.2       BMIZag                                        Body Mass Index z-score based  -9.99                         
                                                                   on age & gender                .                             
                                                                                                  .                             
                                                                                                  9.99                          

  110    6 6.2       midparentht                                   Mid parental height --         1.40                          
                                                                   average of mother and father   .                             
                                                                   height                         .                             
                                                                                                  2.10                          

  116    3 3.0       TANNER                                        Tanner Stage                   1= Stage 1                    
                                                                                                  2= Stage 2                    
                                                                                                  3= Stage 3                    
                                                                                                  4= Stage 4                    
                                                                                                  5= Stage 5                    
                                                                                                  Blank= Missing                

  119    6 $         VERSION                       Version number of data         V01.01= Version 01,
                                                                                     in Visit 01.
                                                                                  .
                                                                                  .
                                                                                  V99.03= Version 03,
                                                                                     in Visit 99.