Perceived Stress Scale 10 Item data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(PSS)Details
ORIGPROT character Original study protocol , with options: ADNI3, ADNI4, ADNI2, 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: 21, ..., 10819
VISCODE character Visit code , with options: 4_init, 4_bl, 4_m12, 4_m24
VISCODE2 character Translated visit code
VISDATE Registry EXAMDATE on matching VISCODE Date: YYY-MM-DD
DONE character Was assessment/procedure done? 0=No ; 1=Yes Decoded Value: Yes
NDREASON character If No, reason not done 1=Participant Unable for Cognitive Reasons ; 2=Participant Unable for Other Reasons (Physical, auditory, etc.) ; 3=Participant/Study Partner Refused ; 7=Site Error ; 8=Other Reason ; 9=Unknown Decoded Value: Yes
PSS1 character 1. In the last month, how often have you been upset because of something that happened unexpectedly? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS2 character 2. In the last month, how often have you felt that you were unable to control the important things in your life? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS3 character 3. In the last month, how often have you felt nervous and stressed? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS4 character 4. In the last month, how often have you felt confident about your ability to handle your personal problems? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS5 character 5. In the last month, how often have you felt that things were going your way? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS6 character 6. In the last month, how often have you found that you could not cope with all the things that you had to do? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS7 character 7. In the last month, how often have you been able to control irritations in your life? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS8 character 8. In the last month, how often have you felt that you were on top of things? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS9 character 9. In the last month, how often have you been angered because of things that happened that were outside of your control? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
PSS10 character 10. In the last month, how often have you felt difficulties were piling up so high that you could not overcome them? 0=Never ; 1=Almost Never ; 2=Sometimes ; 3=Fairly Often ; 4=Very Often Decoded Value: Yes
ID numeric Record ID Range value: 73, ..., 106770
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