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Cognitive Change Index

Source: R/data.R
CCI.Rd

Cognitive Change Index data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(CCI)

Format

A data frame with 1228 observations and 34 variables.

Source

https://adni.loni.usc.edu/data-samples/adni-data/

Details

  • ORIGPROT character Original study protocol , with options: ADNI2, ADNI3

  • COLPROT factor Study protocol of data collection , with levels: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • PTID character Participant ID

  • RID numeric Range value: 4691, ..., 7126

  • VISCODE character , with options: v01, sc

  • VISCODE2 character Translated visit code , with options: sc

  • VISDATE Assessment DATE when present; otherwise Registry EXAMDATE Date: YYY-MM-DD

  • CCI1 character 1. Recalling information when I really try 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI2 character 2. Remembering names and faces of new people I meet 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI3 character 3. Remembering things that have happened recently 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI4 character 4. Recalling conversations a few days later 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI5 character 5. Remembering where things are usually kept 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI6 character 6. Remembering new information told to me 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI7 character 7. Remembering where I placed familiar objects 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI8 character 8. Remembering what I intended to do 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI9 character 9. Remembering names of family members and friends 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI10 character 10. Remembering without notes and reminders 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI11 character 11. People who know me would find that my memory is 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI12 character 12. Remembering things compared to my age group 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI13 character 13. Making decisions about everyday matters 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI14 character 14. Reasoning through a complicated problem 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI15 character 15. Focusing on goals and carrying out a plan 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI16 character 16. Shifting easily from one activity to the next 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI17 character 17. Organizing my daily activities 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI18 character 18. Understanding conversations 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI19 character 19. Expressing myself when speaking 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI20 character 20. Following a story in a book, movie or TV 1=1. Normal Ability (No Change or Better than 5 years ago) ; 2=2. Slight/Occasional Problem (Minimal Change from 5 years ago) ; 3=3. Mild Problem (Some Change from 5 years ago) ; 4=4. Moderate Problem (Clearly Noticeable Change from 5 years ago) ; 5=5. Severe Problem (Much Worse than 5 years ago) Decoded Value: Yes

  • CCI12TOT numeric CCI Index: Sum of first 12 items 12..60

  • SOURCE character Information Source 1=Participant Visit ; 2=Telephone Call/Video Call Decoded Value: Yes

  • ID numeric Range value: 4, ..., 185331

  • SITEID numeric Range value: 1, ..., 63

  • USERDATE Date: YYY-MM-DD

  • USERDATE2 Date: YYY-MM-DD

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com