CODEBOOK
Summary of Blood Pressure and Hypertension Markers, June 2011                              7-29-2020
UPDATED: 248JUL2020

Start  ____Field____                      Section/
Column Len  Format       Variable         Question          Description		     Code
------ --- --------- ---------------- ------------ ------------------------------ ------------------------------
    1    6 6.0       CASEID                        CKiD ID number                 101001
                                                                                  .
                                                                                  .
                                                                                  699999

    7    4 4.0       VISIT                         CKiD Visit number              10
                                                                                  .
                                                                                  .
                                                                                  999

   11    9 9.3       DB_Date                       Datebase date of Visit         0.000= 0.000 years
                                                   (casual BP measurements) in    .
                                                   duration of year from the      .
                                                   baseline visit                 50.000= 50.000 years

   20    4 4.0       SBP                           Average Systolic BP from PE    50mm Hg
                                                                                  .
                                                                                  .
                                                                                  200mm Hg

   24    4 4.0       DBP                           Average Diastolic BP from PE   30mm Hg
                                                                                  .
                                                                                  .
                                                                                  99mm Hg

   28    6 6.3       SBPINDXagh                    SBP Index based on age,        0.000
                                                   gender & height                .
                                                                                  .
                                                                                  9.999
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   34    7 7.2       SBPPCTagh                     Systolic BP percentile based   1%
                                                   on age, gender & height        .
                                                                                  .
                                                                                  99%
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   41    6 6.2       SBPZagh                       Systolic BP z-score based on   -9.99
                                                   age, gender & height           .
                                                                                  .
                                                                                  9.99
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   47    6 6.3       DBPINDXagh                    DBP Index based on age,        0.000
                                                   gender & height                .
                                                                                  .
                                                                                  9.999
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   53    7 7.2       DBPPCTagh                     Diastolic BP percentile based  1%
                                                   on age, gender & height        .
                                                                                  .
                                                                                  99%
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   60    6 6.2       DBPZagh                       Diastolic BP z-score based on  -9.99
                                                   age, gender & height           .
                                                                                  .
                                                                                  9.99
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   66    2 2.0       BPstage                       Blood pressure stage based on  0= Normal BP
                                                   2017 AAP Guidelines            1= Elevated BP
                                                                                  2= Stage 1 HTN
                                                                                  3= Stage 2 HTN
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   68    2 2.0       BPstage_caution               Indicator of BPstage caution   0= No Caution
                                                                                  1= Missing SBP or DBP
                                                                                  2= Age < 1 year
                                                                                  3= Age between 1-13 years and
                                                                                     height z-score < -3.09 or
                                                                                     > 3.09
                                                                                  4= Missing height z-score
                                                                                     (among age 1-13 years)
                                                                                  5= Age >= 13 years and height
                                                                                     z-score < -3.09 or > 3.09
                                                                                  6= Missing height z-score
                                                                                     (among age >= 13 years)
                                                                                  7= Missing age
                                                                                  -1= NA
                                                                                  -9 or Blank= Missing

   70    6 $         VERSION                       Version number of data         P01= Version 01
                                                                                  .
                                                                                  .
                                                                                  P99= Version 99