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Mini-State Trait Anxiety Inventory (STAI) for Adults™ data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(STAIAD)

Format

A data frame with 273 observations and 22 variables.

Details

  • ORIGPROT character Original study protocol , with options: ADNI4, ADNI2, ADNI3, ADNIGO, ADNI1

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

  • PTID character Participant ID

  • RID numeric Participant roster ID Range value: 69, ..., 10804

  • VISCODE character Visit code , with options: 4_bl, 4_init, 4_m12

  • VISCODE2 character Translated visit code

  • VISDATE Registry EXAMDATE on matching VISCODE Date: YYY-MM-DD

  • METHOD character Method of collection 1=In-person/Self ; 2=By phone/Interview Decoded Value: Yes

  • STAIAD1 character 1. I felt calm. 1=Not at All ; 2=Somewhat ; 3=Moderately So ; 4=Very Much Decoded Value: Yes

  • STAIAD2 character 2. I was tense. 1=Not at All ; 2=Somewhat ; 3=Moderately So ; 4=Very Much Decoded Value: Yes

  • STAIAD3 character 3. I felt upset. 1=Not at All ; 2=Somewhat ; 3=Moderately So ; 4=Very Much Decoded Value: Yes

  • STAIAD4 character 4. I was relaxed. 1=Not at All ; 2=Somewhat ; 3=Moderately So ; 4=Very Much Decoded Value: Yes

  • STAIAD5 character 5. I felt content. 1=Not at All ; 2=Somewhat ; 3=Moderately So ; 4=Very Much Decoded Value: Yes

  • STAIAD6 character 6. I was worried. 1=Not at All ; 2=Somewhat ; 3=Moderately So ; 4=Very Much Decoded Value: Yes

  • ID numeric Record ID Range value: 1372, ..., 106236

  • SITEID numeric Site ID Range value: 2, ..., 941

  • USERDATE User Create Date Date: YYY-MM-DD

  • USERDATE2 User Last Modify Date Date: YYY-MM-DD

  • DD_CRF_VERSION_LABEL character CRF Version Label , with options: v1

  • LANGUAGE_CODE character Language Code e=English Decoded Value: Yes

  • HAS_QC_ERROR character Has Quality Check Error 0=Does not have QC error or QC error has been approved ; 1=Has QC error Decoded Value: Yes

  • update_stamp POSIXct: YYY-MM-DD