"","","",""
"TABLE 1","","",""
"","","",""
"Document Summary .","2","",""
"Colon Screens ( colo_screen ) : Data Dictionary","3","",""
"Section 1 : Identifiers",".3","",""
"Section 2 : FSG Date and Result",".4","",""
"Section 3 : FSG Findings .... .","5","",""
"Section 4 : FSG Form and Procedural Details ‒‒‒‒‒‒‒",".7","",""
"","","",""
"","","",""
"TABLE 2","","",""
"","","",""
"Property","Value","",""
"Document Title","Colon Screens ( colo_screen ) : Data Dictionary","",""
"Date Created","04/20/2022","",""
"Sections","4","",""
"Entries","83","",""
"Document Filename","dictionary_colo_screen - mar22-032222.rtf","",""
"","","",""
"","","",""
"TABLE 3","","",""
"","","",""
"Variable","Label","Description","Format Text"
"build","Build","","Char , 30"
"build_cancers","Build Cancer Cohort","The source of the build data .","1 = "" Trial Only """
"build_incidence_cutoff","Build Incidence Cutoff","The censoring date for any cancer data
associated with the dataset .","1 = "" Cancers Through 2009 """
"plco_id","PLCO ID","","Char"
"study_yr","Study Year","FSG1-4
FSG2-4","Numeric"
"","","",""
"","","",""
"TABLE 4","","",""
"","","",""
"Variable","Label","Description","Format Text"
"fsg_days","Days Until FSG","FSG1-1
FSG2-1
from randomization until flexible
sigmoidoscopy ( DRE ) .
Days","Numeric"
"fsg_in","Has an inadequate FSG
exam or QA","If the participant has an inadequate FSG
result , but has a positive / negative QA
result , or vice versa , then the variable is
set to 3 .","0 = "" No ""
1 = "" Yes , also has a later screen ""
2 = "" Yes , but does not have a later
screen ""
3 = "" Inadequate screen and
positive / negative QA , or vice
versa . """
"fsg_ref","FSG Referral Code","FSG2 - C.3
level of referral for Flexible
sigmoidoscopy ( FSG ) Exam .
The",".M = "" Not answered ""
1 = "" Significant Abnormality ,
Referral ""
2 = "" Moderate Abnormality ,
Referral ""
3 = "" Slight Variation from Normal ,
No Referral ""
4 = "" Normal / Result Not Available ,
No Referral """
"fsg_result","FSG Result","FSG1 - C.1
FSG2 - C.1
sigmoidoscopy ( FSG ) screen result .
Flexible","1 = "" Negative ""
2- "" Abnormal , suspicious ""
3 = "" Abnormal , non - suspicious ""
4 = "" Inadequate screen """
"fsgdays_pvis1-3","Days Until FSG - Visit [ X ]
( Screen )","FSG1-1
FSG2-1
Days from randomization until FSG
protocol screen in visits 1-3 .","Numeric
.N = "" Not applicable """
"fsgres_pvis1-3","FSG Result - Visit [ X ]
( Screen )","FSG1 - C.1
FSG2 - C.1 The
result of FSG protocol screen in visits 1-3 .",".N = "" Not Applicable ""
1 = "" Negative ""
2 = "" Abnormal Suspicious ""
3 = "" Abnormal Non - Suspicious ""
4 = "" Inadequate """
"fsgres_qvis1-3","FSG Result - Visit [ X ]
( QA )","FSQ1 - C.1
FSQ2 - C.1
The result of FSG QA screen in visits 1-3 .","1 = "" Negative ""
.F = "" No Form ""
.N = "" Not Applicable ""
2 = "" Abnormal Suspicious ""
3 = "" Abnormal Non - Suspicious ""
4 = "" Inadequate """
"fsg_assess_days_q","Days Until FSG
Assessment ( QA )","FSG1-1
FSG2-1
Days from randomization until FSG QA
exam result was assessed .","Numeric
.F = "" No Form """
"","","",""
"","","",""
"TABLE 5","","",""
"","","",""
"Variable","Label","Description","Format Text"
"lesloc","Largest Lesion Location .","FSQ1 - B.5
FSQ2 - B.5
Location of largest lesion found .",".M = "" Missing ""
.N = "" Not Applicable ""
1 = "" Rectum ""
2 = "" Sigmoid colon ""
3 = "" Descending colon ""
4- "" Splenic Flexure """
"lessize","Largest Lesion Size","FSQ1 - B.5
FSQ2 - B.5
Size of largest lesion found .","Numeric
.M = "" Missing ""
.N = "" Not applicable """
"lessize_cat","Largest lesion size","",".M = "" Missing ""
.N = "" Not applicable ""
1 = "" Diminutive ""
2 = "" Small ""
3 = "" Large """
"num_lesion","Number of Lesions Seen","Number of Lesions found .","Numeric
.M = "" Not answered """
"lesbiop","Largest lesion Biopsy
performed ?","FSQ1 - B.5
FSQ2 - B.5
The final screen lesion biopsy .",".M = "" Missing ""
.N = "" Not Applicable ""
0 = "" No ""
1 = "" Yes """
"lesshape","Largest Lesion Shape","FSQ1 - B.5
FSQ2 - B.5
The final screen lesion shape .",".M = "" Missing ""
.N = "" Not Applicable ""
1 = "" Sessile ""
2 = "" Pedunculated ""
8 = "" Other ( specify ) """
"lestype","Largest Lesion Type","FSQ1 - B.5
FSQ2 - B.5
Type of largest lesion found .",".M = "" Missing ""
.N = "" Not Applicable ""
1 = "" Polyp ""
2 = "" Mass """
"othfind_blood","Other Irregular Findings :
Blood","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_colit","Other Irregular Findings :
Colitis","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_divlitis","Other Irregular Findings :
Diverticulitis","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_divlosis","Other Irregular Findings :
Diverticulosis","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_fiss","Other Irregular Findings :
Fissures","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_hem","Other Irregular Findings :
Internal Hemorrhoids","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_mela","Other Irregular Findings :
Melanosis Coli","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_none","Other Irregular Findings :
None","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_strct","Other Irregular Findings :
Stricture","",".M = "" Not Answered ""
1 = "" Yes """
"","","",""
"","","",""
"TABLE 6","","",""
"","","",""
"Variable","Label","Description","Format Text"
"othfind_ulcer","Other Irregular Findings :
Ulcers","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_vasc","Other Irregular Findings :
Vascular Lesions","",".M = "" Not Answered ""
1 = "" Yes """
"othfind_wart","Other Irregular Findings :
Anal Warts","",".M = "" Not Answered ""
1 = "" Yes """
"recexam_blood","Rectal Exam Findings :
Blood","",".M = "" Not Answered ""
1 = "" Yes """
"recexam fiss","Rectal Exam Findings :
Fistula or Fissures","",".M = "" Not Answered ""
1 = "" Yes """
"recexam_hem","Rectal Exam Findings :
External Hemorrhoids","",".M = "" Not Answered ""
1 = "" Yes """
"recexam_mass","Rectal Exam Findings :
Masses , Polyps , or
Nodules","",".M = "" Not Answered ""
1 = "" Yes """
"recexam_neg","Rectal Exam Findings :
None","",".M = "" Not Answered ""
1 = "" Yes """
"recexam_strct","Rectal Exam Findings :
Stricture","",".M = "" Not Answered ""
1 = "" Yes """
"recexam_tend","Rectal Exam Findings :
Tenderness","",".M = "" Not Answered ""
1 = "" Yes """
"","","",""
"","","",""
"TABLE 7","","",""
"","","",""
"Variable","Label","Description","Format Text"
"examinerid","Examiner ID","The examiner ID .
Examiner ID made by concatentating
center and exam ID for overall screen
result .","char , 8"
"inad_colit","Reason for Inadequate
Exam : Colitis","",".M = "" Not Marked ""
1 = "" Yes """
"inad_dis","Reason for Inadequate
Exam : Discomfort","",".M = "" Not Marked ""
1 = "" Yes """
"inad_div","Reason for Inadequate
Exam : Diverticulosis","",".M = "" Not Marked ""
1 = "" Yes """
"inad_mal","Reason for Inadequate
Exam : Equipment
Malfunction","",".M = "" Not Marked ""
1 = "" Yes """
"inad_oth","Reason for Inadequate
Exam : Other","",".M = "" Not Marked ""
1 = "" Yes """
"inad_prep","Reason for Inadequate
Exam : Inadequate
Preparation","",".M = "" Not Marked ""
1 = "" Yes """
"inad_ref","Reason for Inadequate
Exam : Refusal","",".M = "" Not Marked ""
1 = "" Yes """
"inad_tach","Reason for Inadequate
Exam : Palpitations with
Tachycardia","",".M = "" Not Marked ""
1 = "" Yes """
"inad_vaso","Reason for Inadequate
Exam : Vasovagal
Response","",".M = "" Not Marked ""
1 = "" Yes """
"medbled","Medical Complications :
Bleeding","Had medical complication : bleeding ?",".M = "" Not Answered ""
1 = "" Yes """
"medfain","Medical Complications :
Fainting","Had medical complication : fainting ?",".M = "" Not Answered ""
1 = "" Yes """
"mednone","Medical Complications :
None","Had no medical complication ?",".M = "" Not Answered ""
1 = "" Yes """
"medper","Medical Complications :
Perforation","Had medical complications : perforation ?",".M = "" Not Answered ""
1 = "" Yes """
"repeat_dis","Reason for Repeat Exam :
Discomfort","",".M = "" Not Answered ""
1 = "" Yes """
"repeat_mal","Reason for Repeat Exam :
Equipment Malfunction","",".M = "" Not Answered ""
1 = "" Yes """
"repeat_prep","Reason for Repeat Exam :
Inadequate Preparation","",".M = "" Not Answered ""
1 = "" Yes """
"repeat_ref","Reason for Repeat Exam :
Refusal","",".M = "" Not Answered ""
1 = "" Yes """
"repeat_vaso","Reason for Repeat Exam :
Vasovagal Response","",".M = "" Not Answered ""
1 = "" Yes """
"","","",""
"","","",""
"TABLE 8","","",""
"","","",""
"Variable","Label","Description","Format Text"
"sigmscop","Depth of Sigmoidoscope
Insertion","","Numeric
.M = "" Not answered """
"examinerid_pvis1-3","Center - Examiner ID - Visit
[ X ] ( Screen )","FSG1 - C.5
FSG2 - C.5
The examiner ID for the FSG protocol
exam made by concatenating center and
exam ID . Collects up to 3 visits .","char , 8"
"examinerid_qvis1-3","Center Examiner ID - Visit
[ X ] ( QA )","FSQ1 - C.5
FSQ2 - C.6
The examiner ID for the FSG QA exam
made by concatenating center and exam
ID . Collects up to 3 visits .","char , 8"
"inad_colit_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Ulcerative Colitis ( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_colit_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Ulcerative Colitis ( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable """
"inad_dis_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Discomfort ( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_dis_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Discomfort ( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable ""
1 = "" Yes """
"inad_div_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Diverticulosis ( Screen )","FSQ1 - C.2
FSQ2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_div_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Diverticulosis ( QA )","FSG1 - C.2
FSG2 - C.2",".F = "" No Form ""
.N = "" Not Applicable ""
1 = "" Yes """
"inad_mal_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Equipment Malfuncation
( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_mal_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Equipment Malfuncation
( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable """
"inad_oth_p1-3","Reason for Inadequate
Exam - Visit [ X ] : Other
( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_oth_q1-3","Reason for Inadequate
Exam - Visit [ X ] : Other
( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable ""
1 = "" Yes """
"inad_prep_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Inadequate Preparation
( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_prep_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Inadequate Preparation
( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable ""
1 = "" Yes """
"","","",""
"","","",""
"TABLE 9","","",""
"","","",""
"Variable","Label","Description","Format Text"
"inad_ref_p1-3","Reason for Inadequate
Exam - Visit [ X ] : Refusal
( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_ref_q1-3","Reason for Inadequate
Exam - Visit [ X ] : Refusal
( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable ""
1 = "" Yes """
"inad_tach_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Palpitations with
Tachycardia ( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_tach_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Palpitations with
Tachycardia ( QA )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable """
"inad_vaso_p1-3","Reason for Inadequate
Exam - Visit [ X ] :
Vasovagal Response
( Screen )","FSG1 - C.2
FSG2 - C.2",".N = "" Not Applicable ""
1 = "" Yes """
"inad_vaso_q1-3","Reason for Inadequate
Exam - Visit [ X ] :
Vasovagal Response
( Screen )","FSQ1 - C.2
FSQ2 - C.2",".F = "" No Form ""
.N = "" Not Applicable """
"num_atmpt","Number of Attempts","Number of attemps .","Numeric
.M = "" Not answered """
"phycons","Physician Consultant","",".M = "" Not Answered ""
0 = "" No ""
1 = "" Yes """
"physid","Physician ID","","Numeric
.M = "" Not answered """
"qamethod","Method of QA","FSQ2-7
The method used for the FSG QA exam .",".F = "" No form ""
.M = "" Missing ""
1 = "" Repeat exam ""
2 = "" Observation of exam ""
3 = "" Review of videotape ""
4 = "" Review of photos """