Sesikhona! (we are here): Use of smartphone-based GPS technology to measure ultra-high resolution mobility patterns of young adults in rural KwaZulu Natal
AHRI.Sesikhona.Phase3.Enrolment
Nompumelelo Mkwanazi
Sweetness H Dube
Africa Health Research Institute
Nesstar Publisher
Sesikhona! (we are here): Use of smartphone-based GPS technology to measure ultra-high resolution mobility patterns of young adults in rural KwaZulu Natal
AHRI.Sesikhona.Phase3.Enrolment
Nelisiwe Mtshali
Nompumelelo Mkwanazi
Prof. Frank Tanser(Principal Investigator)
Prof Adrian Dobra
Prof Till Barnighausen
Africa Health Research Institute
Nesstar Publisher
National Institute of Health
German Science Foundation
Academy of Medical Sciences Newton Fund
5R01HD084233
BA2064/14-1
NAF527791
v1.0.0
Human mobility, HIV, GPS technology, digital technology, sexual behviour, mental health, mobile health
GPS technology, smartphone-based GPS, human mobility, young adults, HIV, mobile health, digital technology
South Africa
Movement patterns of Sesikhona! Participants anywhere in South Africa
Unique space-time records
A random sample of adults aged 20-30 years old who were resident in Southern PIPSA, participated in the 2019 HIV surveillance and consented to participate in the study
Survey data
Participants were randomly selected from the 2019 AHRI HIV surveillance program if they were aged 20-30 years old and had participated in the HIV survey in 2019 and were resident members in the southern PIP.
Access to the data requires accurate completion of the online data access application form accessible on the AHRI Data repository(<https://data.ahri.org/>). Data users are required to abide by the data use conditions stipulated on the application for access to the data. Failure to do so may result in their data access privileges being revoked by the Data Custodian. In order to recognise the effort and intellectual contributions of AHRI investigators in producing and curating the data, users of AHRI data must acknowledge the source of the data and abide by the terms and conditions under which the data is accessed and must cite the dataset in publication using the citation provided as part of this documentation. All analytical datasets published on the AHRI Data Repository are assigned digital object identifier (DOIs) and the DOIs can be found on the Data Repository under Study Description tab - Access policy. AHRI data users are required to always cite the dataset using the relevant DOI.
AHRI.Sesikhona.Phase3.Enrolment.2025.v1.0.NSDstat
205
82
Nesstar 200801
Participant ID
205
0
1294
231046
79371.546
52327.1
Sex
205
0
1
Male
73
2
Female
132
Date of Birth
205
1990-07-10
2021-10-21
Current Age
205
0
2
33
27.098
4.255
Ethica User ID
205
0
39636
63072
48507.893
6383.619
Date of death
1
2023-10-07
2023-10-07
Participated
203
2
1
Phase 1
160
2
Phase 2
43
Sysmiss
2
Conducting Telephone Contact: Attempt - One
200
5
0
No
0
1
Yes
200
Sysmiss
5
Call Attempt Date and Time
200
2023-11-13
2024-05-18
Outcome of Contact Attempt
200
5
1
Call was answered
96
2
Call gone to Voicemail
54
3
Phone remains unanswered
33
4
Number does not exist
17
Sysmiss
5
Do you still live in the AHRI surveillance area?
92
113
0
No
18
1
Yes
74
Sysmiss
113
We need to know if you are still interested in the study?
95
110
1
Yes
89
2
No
6
Sysmiss
110
What type of phone are you currently using?
85
120
1
Smartphone
77
2
Non-smartphone
8
Sysmiss
120
Brand or model of the phone
77
128
1
Samsung
32
2
Huawei
9
3
Nokia
5
4
Xiaomi
3
98
Other
28
Sysmiss
128
Does the phone have space? Probe without leading (space to install the study apps
66
139
0
No
2
1
Yes
64
Sysmiss
139
Is the participant eligible and interested in the study?
64
141
0
No
0
1
Yes
64
Sysmiss
141
Please schedule suitable date to enroll participant
63
2023-11-13
2024-05-31
If NO, find out if there is a better time to call?
3
202
0
No
2
1
Yes
1
Sysmiss
202
Arranged Call Back Date
1
2024-01-18
2024-01-18
Can call using the same phone number?
1
204
0
No
0
1
Yes
1
Sysmiss
204
Call Attempt Date and Time
81
2023-11-16
2024-06-05
Outcome of Contact Attempt
81
124
1
Call was answered
28
2
Call gone to Voicemail
40
3
Phone remains unanswered
11
4
Number does not exist
2
Sysmiss
124
Do you still live in the AHRI surveillance area?
25
180
0
No
6
1
Yes
19
Sysmiss
180
We need to know if you are still interested in the study?
27
178
1
Yes
24
2
No
3
Sysmiss
178
What type of phone are you currently using?
22
183
1
Smartphone
20
2
Non-smartphone
2
Sysmiss
183
Brand or model of the phone
19
186
1
Samsung
7
2
Huawei
1
3
Nokia
0
4
Xiaomi
2
98
Other
9
Sysmiss
186
Does the phone have space? Probe without leading (space to install the study apps
18
187
0
No
0
1
Yes
18
Sysmiss
187
Is the participant eligible and interested in the study?
18
187
0
No
0
1
Yes
18
Sysmiss
187
Please schedule suitable date to enroll participant
17
2023-11-16
2024-05-04
If NO, find out if there is a better time to call?
1
204
0
No
0
1
Yes
1
Sysmiss
204
Arranged Call Back Date
1
2024-04-27
2024-04-27
Can call using same phone number?
1
204
0
No
0
1
Yes
1
Sysmiss
204
Conducting Telephone Contact: Attempt - Three
52
153
0
No
6
1
Yes
46
Sysmiss
153
Call Attempt Date and Time
46
2023-11-29
2024-06-05
Outcome of Contact Attempt
46
159
1
Call was answered
9
2
Call gone to Voicemail
31
3
Phone remains unanswered
6
4
Number does not exist
0
Sysmiss
159
Do you still live in the AHRI surveillance area?
9
196
0
No
2
1
Yes
7
Sysmiss
196
We need to know if you are still interested in the study?
9
196
1
Yes
8
2
No
1
Sysmiss
196
What type of phone are you currently using?
8
197
1
Smartphone
7
2
Non-smartphone
1
Sysmiss
197
Brand or model of the phone
7
198
1
Samsung
2
2
Huawei
1
3
Nokia
0
4
Xiaomi
0
98
Other
4
Sysmiss
198
Does the phone have space? Probe without leading (space to install the study apps
6
199
0
No
0
1
Yes
6
Sysmiss
199
Is the participant eligible and interested in the study?
6
199
0
No
0
1
Yes
6
Sysmiss
199
Please schedule suitable date to enroll participant
6
2023-11-30
2024-06-05
Conducting Contact Attempt - One?
134
71
0
No
0
1
Yes
134
Sysmiss
71
Attempt Date and Time
134
2023-11-13
2024-10-24
Was the participant contacted?
134
71
0
No
18
1
Yes
116
Sysmiss
71
Why not?
18
187
0
Participant not available
8
1
Outmigrated
7
2
Dead
1
98
Other
2
Sysmiss
187
Please confirm that you are speaking to the correct Participant
116
89
0
No
0
1
Yes
116
Sysmiss
89
Have you introduced the study to the participant over the phone?
116
89
0
No
23
1
Yes
93
Sysmiss
89
Is the participant interested in the study?
116
89
0
No
7
1
Yes
109
Sysmiss
89
Why not?
7
198
4
Refused
4
98
Other
3
Sysmiss
198
Reschedule next visit date
8
2023-11-22
2024-06-18
Conducting Contact Attempt - Two?
10
195
0
No
3
1
Yes
7
Sysmiss
195
Attempt Date and Time
7
2023-11-22
2024-06-19
Was the participant contacted?
8
197
0
No
5
1
Yes
3
Sysmiss
197
Why not?
5
200
0
Participant not available
5
1
Outmigrated
0
2
Dead
0
98
Other
0
Sysmiss
200
Please confirm that you are speaking to the correct Participant
3
202
0
No
0
1
Yes
3
Sysmiss
202
Have you introduced the study to the participant over the phone?
3
202
0
No
0
1
Yes
3
Sysmiss
202
Is the participant interested in the study?
3
202
0
No
1
1
Yes
2
Sysmiss
202
Why not?
1
204
4
Refused
0
98
Other
1
Sysmiss
204
Reschedule next visit date
5
2024-02-28
2024-07-03
Conducting Contact Attempt - Three?
6
199
0
No
0
1
Yes
6
Sysmiss
199
Was the participant contacted?
6
2024-02-28
2024-07-04
Was the participant contacted?
6
199
0
No
4
1
Yes
2
Sysmiss
199
Why not?
4
201
0
Participant not available
4
1
Outmigrated
0
2
Dead
0
98
Other
0
Sysmiss
201
Please confirm that you are speaking to the correct Participant
2
203
0
No
0
1
Yes
2
Sysmiss
203
Have you introduced the study to the participant over the phone?
2
203
0
No
1
1
Yes
1
Sysmiss
203
Is the participant interested in the study?
2
203
0
No
0
1
Yes
2
Sysmiss
203
Why not?
0
205
4
Refused
0
98
Other
0
Sysmiss
205
Participant pathways
136
69
0
New Participant
1
1
Participant from phase 1
106
2
Participant from phase 2
29
Sysmiss
69
Free storage space percentage
102
103
2
84
24.765
19.601
Network Coverage
101
104
1
Strong
74
2
Fair
23
3
Weak
4
Sysmiss
104
RAM Size
102
103
1
Less than 1GB
4
2
Between 1 and 2 GB
68
3
More than 2GB
30
Sysmiss
103
Conducting Contact Attempt - One?
15
190
0
No
1
1
Yes
14
Sysmiss
190
Attempt Date and Time
13
2024-05-30
2024-06-15
Was the participant contacted?
13
192
0
No
0
1
Yes
13
Sysmiss
192
Why not?
0
205
0
Participant not available
0
1
Outmigrated
0
2
Dead
0
98
Other
0
Sysmiss
205
Please confirm that you are speaking to the correct Participant
13
192
0
No
0
1
Yes
13
Sysmiss
192
Have you introduced the study to the participant over the phone?
15
190
0
No
2
1
Yes
13
Sysmiss
190
Is the participant interested in the study?
13
192
0
No
3
1
Yes
10
Sysmiss
192
Why not?
3
202
4
Refused
0
98
Other
3
Sysmiss
202
Participant pathways
13
192
Date of Termination
14
2024-04-17
2025-05-30