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Sesikhona! (we are here): Use of smartphone-based GPS technology to measure ultra-high resolution mobility patterns of young adults in rural KwaZulu Natal

South Africa, 2023 - 2025
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Reference ID
AHRI.Sesikhona.Phase3.Enrolment
Producer(s)
Nelisiwe Mtshali, Nompumelelo Mkwanazi, Prof. Frank Tanser(Principal Investigator), Prof Adrian Dobra, Prof Till Barnighausen
Metadata
Documentation in PDF DDI/XML JSON
Created on
Jun 11, 2026
Last modified
Jun 11, 2026
Page views
32
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Data file: AHRI.Sesikhona.Phase3.Enrolment.2025.v1.0

Cases: 205
Variables: 82

Variables

IIntID
Participant ID
pi_sex
Sex
pi_dob
Date of Birth
pi_age
Current Age
userid1_ethica
Ethica User ID
pi_dod
Date of death
prev_enrolled
Participated
pc_attmp1_phonecnt
Conducting Telephone Contact: Attempt - One
pc_attmp1_phonecntdatetime
Call Attempt Date and Time
pc_attmp1_phonecntoutcome
Outcome of Contact Attempt
pc_attmp1_resident
Do you still live in the AHRI surveillance area?
attempt1_part
We need to know if you are still interested in the study?
pc_phone_type1
What type of phone are you currently using?
pc_phone_brand
Brand or model of the phone
pc_enough_space1
Does the phone have space? Probe without leading (space to install the study apps
pc_attmp1_willing_discuss
Is the participant eligible and interested in the study?
pc_attmp1_scedulevst_date
Please schedule suitable date to enroll participant
pc_attmp1_arrange_callback
If NO, find out if there is a better time to call?
pc_attmp1_callback_date
Arranged Call Back Date
pc_attmp1_callback_sameornot
Can call using the same phone number?
pc_attmp2_phonecntdatetime
Call Attempt Date and Time
pc_attmp2_phonecntoutcome
Outcome of Contact Attempt
pc_attmp2_resident
Do you still live in the AHRI surveillance area?
take_part_2
We need to know if you are still interested in the study?
pc_phone_type2
What type of phone are you currently using?
pc_phone_brand2
Brand or model of the phone
pc_enough_space2
Does the phone have space? Probe without leading (space to install the study apps
pc_attmp2_willing_discuss
Is the participant eligible and interested in the study?
pc_attmp2_scedulevst_date
Please schedule suitable date to enroll participant
pc_attmp2_arrange_callback
If NO, find out if there is a better time to call?
pc_attmp2_callback_date
Arranged Call Back Date
pc_attmp2_callback_sameornot
Can call using same phone number?
pc_attmp3_phonecnt
Conducting Telephone Contact: Attempt - Three
pc_attmp3_phonecntdatetime
Call Attempt Date and Time
pc_attmp3_phonecntoutcome
Outcome of Contact Attempt
pc_attmp3_resident
Do you still live in the AHRI surveillance area?
take_part3
We need to know if you are still interested in the study?
pc_phone_type3
What type of phone are you currently using?
pc_phone_brand3
Brand or model of the phone
pc_enough_space3
Does the phone have space? Probe without leading (space to install the study apps
pc_attmp3_willing_discuss
Is the participant eligible and interested in the study?
pc_attmp3_scedulevst_date
Please schedule suitable date to enroll participant
hms_contact_attmp1
Conducting Contact Attempt - One?
hms_datetime_attmp1
Attempt Date and Time
hms_was_contacted_attmp1
Was the participant contacted?
hms_wasnt_contacted_attmp1
Why not?
hms_verify_attmp1
Please confirm that you are speaking to the correct Participant
hms_recruitment_attmp1
Have you introduced the study to the participant over the phone?
hms_attmp1_interested
Is the participant interested in the study?
hms_attmp1_notcontacted
Why not?
hms_resch_vsdate_attmp1
Reschedule next visit date
hms_contact_attmp2
Conducting Contact Attempt - Two?
hms_datetime_attmp2
Attempt Date and Time
hms_was_contacted_attmp2
Was the participant contacted?
hms_wasnt_contacted_attmp2
Why not?
hms_verify_attmp2
Please confirm that you are speaking to the correct Participant
hms_recruitment_attmp2
Have you introduced the study to the participant over the phone?
hms_attmp2_interested
Is the participant interested in the study?
hms_attmp2_notcontacted
Why not?
hms_resch_vsdate_attmp2
Reschedule next visit date
hms_contact_attmp3
Conducting Contact Attempt - Three?
hms_datetime_attmp3
Was the participant contacted?
hms_was_contacted_attmp3
Was the participant contacted?
hms_wasnt_contacted_attmp3
Why not?
hms_verify_attmp3
Please confirm that you are speaking to the correct Participant
hms_recruitment_attmp3
Have you introduced the study to the participant over the phone?
hms_attmp3_interested
Is the participant interested in the study?
hms_attmp3_notcontacted
Why not?
par_pathways
Participant pathways
ic_storage_percent
Free storage space percentage
ic_network_coverage
Network Coverage
app_ram_size
RAM Size
cal_contact_attmp1
Conducting Contact Attempt - One?
cal_datetime_attmp1
Attempt Date and Time
cal_was_contacted_attmp1
Was the participant contacted?
cal_wasnt_contacted_attmp1
Why not?
cal_verify_attmp1
Please confirm that you are speaking to the correct Participant
cal_recruitment_attmp1
Have you introduced the study to the participant over the phone?
cal_attmp1_interested
Is the participant interested in the study?
cal_attmp1_notcontacted
Why not?
cal_pathways
Participant pathways
termination_date
Date of Termination
Total: 82
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