Variable Column



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The file CARD_97.DAT contains data from the 1997 follow-up (Cycle 5) examination that were used to perform the exposure analyses for the Cardiovascular chapter (Chapter 14 – 1997 follow-up report).


Variable

Column

Variable Type

Comment

SEQNO

1-5

Character

AFHS participant identification

HYPGP

6

Character

History of essential hypertension, verified by medical records [A = abnormal (yes); N = normal (no); ‘ ‘ = pre-SEA heart condition or pre SEA essential hypertension]

HRTDGP

7

Character

History of heart disease excluding essential hypertension, verified by medical records [A = abnormal (yes); N = normal (no); ‘ ‘ = pre-SEA heart condition]

MIGP

8

Character

History of myocardial infarction, verified by medical records [A = abnormal (yes); N = normal (no)]

STISCGP

9

Character

History of stroke or transient ischemic attack, verified by medical records [A = abnormal (yes); N = normal (no)]

HYPI

10

Numeric

History of essential hypertension, verified by medical records [1 = normal (no); 2 = abnormal (yes); . = pre-SEA heart condition or pre-SEA essential hypertension]

HRTDI

11

Numeric

History of heart disease excluding essential hypertension, verified by medical records [1 = normal (no); 2 = abnormal (yes); . = pre-SEA heart condition]

MII

12

Numeric

History of myocardial infarction, verified by medical records [1 = normal (no); 2 = abnormal (yes)]

STISCI

13

Numeric

History of stroke or transient ischemic attack, verified by medical records [1 = normal (no); 2 = abnormal (yes)]

PSHYP

14

Character

Pre-Southeast Asia heart condition or pre-SEA essential hypertension, verified by medical records [Y = yes; N = no]

PSHRTD

15

Character

Pre-Southeast Asia heart condition, excluding essential hypertension, verified by medical records [Y = yes; N = no]

EXPGP

16-20

Character

Exposure group [a) RH = Ranch Hand; b) C = Comparison]

EXPI

21

Numeric

Exposure group [1 = Ranch Hand; 2 = Comparison]

BDATE

22-31

Character

Date of birth (month/day/year)

AGE

32-37

Numeric

Age at the 1997 physical exam (years)

AGEGP

38-51

Character

Age at the 1997 physical exam [1) BORN < 1942; 2) BORN >= 1942]

AGEI

52

Numeric

Age at the 1997 physical exam [1 = born before 1942; 2 = born in or after 1942]

RACEGP

53-57

Character

Race [1) BL = Black; 2) NB = non-Black]

RACEI

58

Numeric

Race [1 = Black; 2 = non-Black]

OCCGP

59-64

Character

Occupation [1) OFF = officer; 2) EFL = enlisted flyer; 3) EGC = enlisted groundcrew]

OCCI

65

Numeric

Occupation [1 = officer; 2 = enlisted flyer; 3 = enlisted groundcrew]

PERSGP

66-69

Character


Personality type from Jenkins Activity Survey (direction) [1) A; 2) B; ‘ ‘ = missing (refused or test not scorable)]

PERSI

70

Numeric

Personality type from Jenkins Activity Survey (direction) [1 = A; 2 = B; . = missing (refused or test not scorable)]

CURCIG

71-76

Numeric

Current cigarette smoking (cigarettes/day) [. = missing]

PCKYRS

77-83

Numeric

Lifetime cigarette smoking history (pack-years) [. = missing]

CURCIGGP

84-95

Character

Current cigarette smoking (cigarettes/day); [1) 0 – NEVER = never smoked; 2) 0 – FORMER = former smoker; 3) >0 – 20; 4) >20; ‘ ‘ = missing]

CURCIGI

96

Numeric

Current cigarette smoking (cigarettes/day); [1 = 0 (never smoked); 2 = 0 (former smoker); 3 = >0 – 20; 4 = >20; . = missing]

PCKYRSGP

97-106

Character

Lifetime cigarette smoking history (pack-years)[1) 0; 2) >0 – 10; 3) >10; ‘ ‘ = missing]

PCKYRSI

107

Numeric

Lifetime cigarette smoking history (pack-years) [1 = 0; 2 = >0 – 10; 3 = >10; . = missing]

DRKYR

108-114

Numeric

Lifetime alcohol history (drink-years) [. = missing]

CALC

115-120

Numeric

Current alcohol use (drinks/day) [. = missing]

CALCGP

121-129

Character

Current alcohol use (drinks/day) [1) 0 – 1; 2) >1 – 4; 3) >4; ‘ ‘ = missing]

CALCI

130

Numeric

Current alcohol use (drinks/day) [1 = 0 – 1; 2 = >1 – 4; 3 = >4; . = missing]

DRKYRGP

131-140

Character

Lifetime alcohol history (drink-years) [1) 0; 2) >0 – 40; 3) >40; ‘ ‘ = missing]

DRKYRI

141

Numeric

Lifetime alcohol history (drink-years) [1 = 0; 2 = >0 – 40; 3 = >40; . = missing]

BFAT

142-147

Numeric

1997 body fat (percent)

BFATGP

148-161

Character


1997 body fat [1) OBESE (>25 percent); 2) LEAN/NORMAL (25 percent)]

BFATI

162

Numeric

1997 body fat [1 = obese (>25 percent); 2 = lean/normal (25 percent)]

CHOLGP

163-173

Character

Cholesterol (mg/dl) [1) <=200; 2) >200-239; 3) >=240]

CHOLI

174

Numeric

Cholesterol (mg/dl) [1 = 200; 2 = >200-239; 3 = 240]

CHOL

175-177

Numeric

Cholesterol (mg/dl)

HDL

178-180

Numeric

High density lipoprotein (HDL) (mg/dl) [. = missing]

HDLGP

181-191

Character

High density lipoprotein (HDL) [NORMAL: >35 (mg/dl); LOW: 0-35 (mg/dl); ‘ ‘ = missing]

HDLI

192

Numeric

High density lipoprotein (HDL) [1 = normal (>35 mg/dl); 2 = low (0-35 mg/dl); . = missing]

CHLRAT

193-209

Numeric

Cholesterol-HDL ratio [. = missing]

CHLRATGP

210-220

Character

Cholesterol-HDL ratio [NORMAL: <=5; HIGH: >5; ‘ ‘ = missing]

CHLRATI

221

Numeric

Cholesterol-HDL ratio [1 = normal (5); 2 = high (>5); . = missing]

FAMHDSGP

222

Character

Family history of heart disease [N = no; Y = yes; ‘ ‘ = missing]

FAMHDSI

223

Numeric

Family history of heart disease [1 = no; 2 = yes; . = missing]

FHDB45GP

224

Character

Family history of heart disease before 45 [N = no; Y = yes; ‘ ‘ = missing]

FHDB45I

225

Numeric


Family history of heart disease before 45 [1 = no; 2 = yes; . = missing]

BPMEDGP

226

Character

Currently taking blood pressure medication [Y = yes; N = no]

BPMEDI

227

Numeric

Currently taking blood pressure medication [1 = yes; 2 = no]

DBCLSGP

228-238

Character

Diabetic class [1) NORMAL (2-hour postprandial glucose <140 mg/dl) ; 2) IMPAIRED (2-hour postprandial glucose >140-200 mg/dl); 3) DIABETIC (past history or 2-hour postprandial glucose 200 mg/dl); ‘ ‘ = unable to determine]

DBCLSI

239

Numeric

Diabetic class [1 = normal (2-hour postprandial glucose <140 mg/dl); 2 = impaired (2-hour postprandial glucose >140-200 mg/dl); 3 = diabetic (past history or 2-hour postprandial glucose 200 mg/dl); . = unable to determine]

ID

240

Character

Exposure group (for participants with a dioxin assay) [C = Comparison; R = Ranch Hand; ‘ ‘ = no dioxin assay]

REPORT

241-243

Character

Results of dioxin analysis (for participants with a dioxin assay and a good result) [G= good result; GND = good result, below limit of detection; ‘ ‘ = missing]

CURRENT


244-249

Numeric

1987 lipid-adjusted dioxin level (actual measurement or 1987 level extrapolated from dioxin measurement closest to time of duty in Southeast Asia - for participants with a dioxin assay and a good result) (parts per trillion (ppt)) [. = missing]

REPTYR

250-251

Character

Year from which assay is used for dioxin determination (for participants with a dioxin assay and a good result) [87 = 1987; 92 = 1992; 97 = 1997; P = pilot test (conducted in 1987) ; ‘ ‘ = missing]


INITIAL

252-258

Numeric

Initial dioxin estimate (parts per trillion (ppt)), extrapolated from 1987 or recent lipid-weight dioxin measurement for Ranch Hands with a 1987 or recent measurement > 10 ppt [. = missing or not calculated]

LOGINIT

259-275

Numeric

Log (base 2) of initial dioxin for Ranch Hands with a 1987 or recent measurement > 10 ppt [. = missing or not calculated]

PBFDBDRW

276-290

Numeric

Body fat (percent) at time of dioxin blood draw for participants with a dioxin assay and a good result [. = missing]

LGINITGP

291-299

Character

Log (base 2) of initial dioxin for Ranch Hands with a 1987 or recent measurement > 10 ppt [1) LOW (initial dioxin: 27 - 63 ppt); 2) MEDIUM (initial dioxin: >63 – 152 ppt); 3) HIGH (initial dioxin: >152 ppt); ‘ ‘ = missing or not calculated]

LGINITI

300

Numeric

Log (base 2) of initial dioxin for Ranch Hands with a 1987 or recent measurement > 10 ppt [1 = low (initial dioxin: 27 - 63 ppt); 2 = medium (initial dioxin: >63 – 152 ppt); 3 = high (initial dioxin: >152 ppt); . = missing or not calculated]

DXCATGP

301-311

Character

Categorized dioxin [1) COMP<=10 (Comparisons: 1987 dioxin 10 ppt); 2) RH <=10 (background Ranch Hands: 1987 dioxin 10 ppt); 3) LOW RH (Ranch Hands: 1987 dioxin > 10 ppt and initial dioxin >10 - 94 ppt); 4) HIGH RH (Ranch Hands: 1987 dioxin >10 ppt and initial dioxin > 94 ppt); ‘ ‘ = missing or Comparisons with 1987 dioxin > 10 ppt]

DXCAT2GP

312-322

Character

Categorized dioxin [a) RH <=10 (background Ranch Hands: 1987 dioxin 10 ppt); b) LOW RH (Ranch Hands: 1987 dioxin > 10 ppt and initial dioxin >10 - 94 ppt); c) HIGH RH (Ranch Hands: 1987 dioxin >10 ppt and initial dioxin >94 ppt); d) COMP<=10 (Comparisons: 1987 dioxin 10 ppt); ‘ ‘ = missing or Comparisons with 1987 dioxin > 10 ppt]

DXCAT3GP

323-338

Character

Categorized dioxin [1) COMP<=10 (Comparisons: 1987 dioxin 10 ppt); 2) RH <=10 (background Ranch Hands: 1987 dioxin 10 ppt); 3) LOW + HIGH RH (Ranch Hands: 1987 dioxin > 10 ppt and initial dioxin > 10 ppt); ‘ ‘ = missing or Comparisons with 1987 dioxin > 10 ppt]

DXCATI

339

Numeric

Categorized dioxin [1 = Comparisons: 1987 dioxin 10 ppt; 2 = background Ranch Hands: 1987 dioxin 10 ppt; 3 = low Ranch Hands: 1987 dioxin > 10 ppt and initial dioxin >10 - 94 ppt; 4 = high Ranch Hands: 1987 dioxin >10 ppt and initial dioxin > 94 ppt; . = missing or Comparisons with 1987 dioxin > 10 ppt]

DXCAT2I

340

Numeric

Categorized dioxin [1 = background Ranch Hands: 1987 dioxin 10 ppt; 2 = low Ranch Hands: 1987 dioxin > 10 ppt and initial dioxin >10 – 94 ppt; 3 = high Ranch Hands: 1987 dioxin >10 ppt and initial dioxin >94 ppt; 4 = Comparisons: 1987 dioxin 10 ppt; . = missing or Comparisons with 1987 dioxin > 10 ppt]

DXCAT3I

341

Numeric

Categorized dioxin [1 = Comparisons: 1987 dioxin 10 ppt; 2 = background Ranch Hands: 1987 dioxin 10 ppt; 3 = low plus high Ranch Hands: 1987 dioxin > 10 ppt and initial dioxin > 10 ppt; . = missing or Comparisons with 1987 dioxin > 10 ppt]

LGCURRGP

342-350

Character


For Ranch Hands with a dioxin assay and a good result: [1) LOW (1987 dioxin: 7.9 ppt); 2) MEDIUM (1987 dioxin > 7.9 – 19.6 ppt); 3) HIGH (1987 dioxin > 19.6 ppt); ‘ ‘ = missing (includes Comparisons)]

LGCURRI

351

Numeric

For Ranch Hands with a dioxin assay and a good result: [1 = low (1987 dioxin: 7.9 ppt); 2 = medium (1987 dioxin: >7.9 – 19.6 ppt); 3 = high (1987 dioxin >19.6 ppt); . = missing (includes Comparisons)]

LOGCURR

352-367

Numeric

Log (base 2) of (1987 dioxin + 1) for Ranch Hands with a dioxin assay and a good result [. = missing (includes Comparisons)]

BFAT97

368-373

Numeric

1997 body fat (percent)

SYSTLIC

374-376

Numeric

Systolic blood pressure (mm Hg)

SYSTLCGP

377

Character

Systolic blood pressure [A = abnormal (> 140 mm Hg); N = normal ( 140 mm Hg)]

SYSTLCI

378

Numeric

Systolic blood pressure [1 = normal ( 140 mm Hg); 2 = abnormal (> 140 mm Hg)]

DIASTLC

379-381

Numeric

Diastolic blood pressure (mm Hg)

DIASTLGP

382

Character

Diastolic blood pressure [A = abnormal (> 90 mm Hg); N = normal ( 90 mm Hg)]

DIASTLI

383

Numeric

Diastolic blood pressure [1 = normal ( 90 mm Hg); 2 = abnormal (> 90 mm Hg)]

HRTSNDGP

384

Character

Heart sounds [A = abnormal; N = normal]

ECGGP

385

Character

Overall electrocardiograph [A = abnormal; N = normal]

STTGP

386

Character

ECG: Nonspecific ST- and T-wave changes [A = abnormal; N = normal]

BRADYGP

387

Character

ECG: Bradycardia [A = abnormal; N = normal]

TACHYGP

388

Character

ECG: Tachycardia [A = abnormal; N = normal]

ARHTHMGP

389

Character

ECG: Arrhythmia [A = abnormal; N = normal]

PRIORGP

390

Character

ECG: Evidence of prior myocardial infarction [A = abnormal; N = normal]

HRTSNDI

391

Numeric

Heart sounds [1 = normal; 2 = abnormal]

ECGI

392

Numeric

Overall electrocardiograph [1 = normal; 2 = abnormal]

STTI

393

Numeric

ECG: Nonspecific ST- and T-wave changes [1 = normal; 2 = abnormal]

BRADYI

394

Numeric

ECG: Bradycardia [1 = normal; 2 = abnormal]

TACHYI

395

Numeric

ECG: Tachycardia [1 = normal; 2 = abnormal]

ARHTHMI

396

Numeric

ECG: Arrhythmia [1 = normal; 2 = abnormal]

PRIORI

397

Numeric

ECG: Evidence of prior myocardial infarction [1 = normal; 2 = abnormal]

LBBBGP

398

Character

ECG: Left bundle branch block [A = abnormal; N = normal]

LBBBI

399

Numeric

ECG: Left bundle branch block [1 = normal; 2 = abnormal]

RBBBGP

400

Character

ECG: Right bundle branch block [A = abnormal; N = normal]

RBBBI

401

Numeric

ECG: Right bundle branch block [1 = normal; 2 = abnormal]

OTHERGP

402

Character

ECG: Other diagnoses [A = abnormal; N = normal]

OTHERI

403

Numeric

ECG: Other diagnoses [1 = normal; 2 = abnormal]

FUNDEXGP

404

Character

Funduscopic exam [A = abnormal; N = normal; ‘ ‘ = missing]

FUNDEXI

405

Numeric

Funduscopic exam [1 = normal; 2 = abnormal; . = missing]

CRTDBGP

406

Character

Carotid bruits [A = abnormal; N = normal]

CRTDBI

407

Numeric

Carotid bruits [1 = normal; 2 = abnormal]

RADIALGP

408

Character

Radial pulses [A = abnormal; N = normal]

FEMRALGP

409

Character

Femoral pulses [A = abnormal; N = normal; ‘ ‘ = missing]

POPLITGP

410

Character

Popliteal pulses [A = abnormal; N = normal; ‘ ‘ = missing]

DPEDISGP

411

Character

Dorsalis pedis pulses [A = abnormal; N = normal; ‘ ‘ = missing]

PTIBIAGP

412

Character

Posterior tibial pulses [A = abnormal; N = normal; ‘ ‘ = missing]

RADIALI

413

Numeric

Radial pulses [1 = normal; 2 = abnormal]

FEMRALI

414

Numeric

Femoral pulses [1 = normal; 2 = abnormal; . = missing]

POPLITI

415

Numeric

Popliteal pulses [1 = normal; 2 = abnormal; . = missing]

DPEDISI

416

Numeric

Dorsalis pedis pulses [1 = normal; 2 = abnormal; . = missing]

PTIBIAI

417

Numeric

Posterior tibial pulses [1 = normal; 2 = abnormal; . = missing]

LEGPULGP

418

Character

Leg pulses [A = abnormal; N = normal; ‘ ‘ = missing]

LEGPULI

419

Numeric

Leg pulses [1 = normal; 2 = abnormal; . = missing]

PERPULGP

420

Character

Peripheral pulses [A = abnormal; N = normal; ‘ ‘ = missing]

PERPULI

421

Numeric

Peripheral pulses [1 = normal; 2 = abnormal; . = missing]

CLDVASGP

422

Character

Intermittent claudication and vascular insufficiency index [A = abnormal; N = normal; ‘ ‘ = missing]

CLDVASI

423

Numeric

Intermittent claudication and vascular insufficiency index [1 = normal; 2 = abnormal; . = missing]








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