CODEBOOK Summary of Carotid IMT Data (means of measurements and created variables) 3-12-2018 Start ____Field____ Section/ Column Len Format Variable Question Description Code ------ --- --------- ---------------- ------------ ------------------------------ ------------------------------ 1 6 6.0 KID Participant ID 100000= 100000 . . 699999= 699999 7 4 4.0 VISIT Visit Number 00= 00 . . 99= 99 11 4 4.0 MONTH Month of the visit date 1= January . . 12= December 15 4 4.0 DAY Day of the visit date 1= 1st day of the month . . 31= 31st day of the month 19 6 6.0 YEAR Year of the visit date 2004= year 2004 2013= year 2013 25 9 9.5 RCCAdLAX Right Common Carotid Artery 0.00000= 0.00000 Diameter Long-Axis at End- . Diastole . 999.99999= 999.99999 -90= Extreme Value 34 9 9.5 RCCAsLAX Right Common Carotid Artery 0.00000= 0.00000 Diameter Long-Axis at End- . Systole . 999.99999= 999.99999 -90= Extreme Value 43 9 9.5 RCCAImt Right Common Carotid Artery 0.00000= 0.00000 Intima-Medial Thickness . . 999.99999= 999.99999 -90= Extreme Value 52 9 9.5 RCCAdSAX Right Common Carotid Artery 0.00000= 0.00000 Diameter Short-Axis at End- . Diastole . 999.99999= 999.99999 -90= Extreme Value 61 9 9.5 RCCAsSAX Right Common Carotid Artery 0.00000= 0.00000 Diameter Short-Axis at End- . Systole . 999.99999= 999.99999 -90= Extreme Value 70 9 9.5 LCCAdLAX Left Common Carotid Artery 0.00000= 0.00000 Diameter Long-Axis at End- . Diastole . 999.99999= 999.99999 -90= Extreme Value 79 9 9.5 LCCAsLAX Left Common Carotid Artery 0.00000= 0.00000 Diameter Long-Axis at End- . Systole . 999.99999= 999.99999 -90= Extreme Value 88 9 9.5 LCCAImt Left Common Carotid Artery 0.00000= 0.00000 Intima-Medial Thickness . . 999.99999= 999.99999 -90= Extreme Value 97 9 9.5 LCCAdSAX Left Common Carotid Artery 0.00000= 0.00000 Diameter Short-Axis at End- . Diastole . 999.99999= 999.99999 -90= Extreme Value 106 9 9.5 LCCAsSAX Left Common Carotid Artery 0.00000= 0.00000 Diameter Short-Axis at End- . Systole . 999.99999= 999.99999 -90= Extreme Value 115 10 10.5 RCCA_LAX_Strain Right Common Carotid Artery 0.00000= 0.00000 Strain Long-Axis . . 999.99999= 999.99999 -90= Extreme Value 125 9 9.5 RCCA_LAX_Dis Right Common Carotid Artery 0.00000= 0.00000 Distensibility Long-Axis . . 999.99999= 999.99999 -90= Extreme Value 134 10 10.5 RCCA_LAX_Stiff Right Common Carotid Artery 0.00000= 0.00000 Stiffness Long-Axis . . 999.99999= 999.99999 -90= Extreme Value 144 10 10.5 RCCA_LAX_Mod Right Common Carotid Artery 0.00000= 0.00000 Pressure Strain Modulus Long- . Axis . 999.99999= 999.99999 -90= Extreme Value 154 9 9.5 RCCA_SAX_Strain Right Common Carotid Artery 0.00000= 0.00000 Strain Short-Axis . . 999.99999= 999.99999 -90= Extreme Value 163 9 9.5 RCCA_SAX_Dis Right Common Carotid Artery 0.00000= 0.00000 Distensibility Short-Axis . . 999.99999= 999.99999 -90= Extreme Value 172 10 10.5 RCCA_SAX_Stiff Right Common Carotid Artery 0.00000= 0.00000 Stiffness Short-Axis . . 999.99999= 999.99999 -90= Extreme Value 182 10 10.5 RCCA_SAX_Mod Right Common Carotid Artery 0.00000= 0.00000 Pressure Strain Modulus Short- . Axis . 999.99999= 999.99999 -90= Extreme Value 192 9 9.5 LCCA_LAX_Strain Left Common Carotid Artery 0.00000= 0.00000 Strain Long-Axis . . 999.99999= 999.99999 -90= Extreme Value 201 9 9.5 LCCA_LAX_Dis Left Common Carotid Artery 0.00000= 0.00000 Distensibility Long-Axis . . 999.99999= 999.99999 -90= Extreme Value 210 10 10.5 LCCA_LAX_Stiff Left Common Carotid Artery 0.00000= 0.00000 Stiffness Long-Axis . . 999.99999= 999.99999 -90= Extreme Value 220 10 10.5 LCCA_LAX_Mod Left Common Carotid Artery 0.00000= 0.00000 Pressure Strain Modulus Long- . Axis . 999.99999= 999.99999 -90= Extreme Value 230 9 9.5 LCCA_SAX_Strain Left Common Carotid Artery 0.00000= 0.00000 Strain Short-Axis . . 999.99999= 999.99999 -90= Extreme Value 239 9 9.5 LCCA_SAX_Dis Left Common Carotid Artery 0.00000= 0.00000 Distensibility Short-Axis . . 999.99999= 999.99999 -90= Extreme Value 248 10 10.5 LCCA_SAX_Stiff Left Common Carotid Artery 0.00000= 0.00000 Stiffness Short-Axis . . 999.99999= 999.99999 -90= Extreme Value 258 10 10.5 LCCA_SAX_Mod Left Common Carotid Artery 0.00000= 0.00000 Pressure Strain Modulus Short- . Axis . 999.99999= 999.99999 -90= Extreme Value 268 9 9.5 cIMT Carotid Artery Intima-Medial 0.00000= 0.00000 Thickness . . 999.99999= 999.99999 -90= Extreme Value 277 9 9.5 Distensibility Carotid Artery Distensibility 0.00000= 0.00000 . . 999.99999= 999.99999 -90= Extreme Value 286 10 10.5 Stiffness Carotid Artery Stiffness 0.00000= 0.00000 . . 999.99999= 999.99999 -90= Extreme Value 296 10 9.5 Einc Carotid Artery Pressure 0.00000= 0.00000 Strain Modulus) . . 999.99999= 999.99999 -90= Extreme Value 306 6 $ VERSION Version number of data V01.01= Version 01, in Visit 01. . . V99.03= Version 03, in Visit 99.