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Volume 28, Number 10—October 2022
Research

Improving Estimates of Social Contact Patterns for Airborne Transmission of Respiratory Pathogens

Nicky McCreeshComments to Author , Mbali Mohlamonyane, Anita Edwards, Stephen Olivier, Keabetswe Dikgale, Njabulo Dayi, Dickman Gareta, Robin Wood, Alison D. Grant, Richard G. White, and Keren Middelkoop
Author affiliations: London School of Hygiene and Tropical Medicine TB Centre, London, UK (N. McCreesh, A.D. Grant, R.G. White); The Desmond Tutu HIV Centre, University of Cape Town, Cape Town, South Africa (M. Mohlamonyane, R. Wood, K. Middelkoop); University of KwaZulu-Natal Africa Health Research Institute, Durban, South Africa (A. Edwards, A.D. Grant); Africa Health Research Institute, Durban (S. Olivier, K. Dikgale, N. Dayi, D. Gareta); University of Cape Town Department of Medicine, Cape Town (R. Wood, K. Middelkoop); University of the Witwatersrand School of Public Health, Johannesburg, South Africa (A.D. Grant)

Main Article

Table

Characteristics of respondents and target population for study of social contact patterns for airborne transmission of respiratory pathogens, KwaZulu Natal and Western Cape Provinces, South Africa, 2019

Characteristic KwaZulu Natal
 Western Cape
Sample, no. (%) Target population, %* Sample, no. (%) Target population, %*
Sex
M 751 (44) 41 553 (50) 52
F
 953 (56)
 59
562 (50)
 48
Age group, y
15–17 0 9.1 56 (5) 4.5
18–19 118 (6.9) 5.6 84 (7.5) 4.5
20–29 495 (29) 26 412 (37) 33
30–39 308 (18) 21 358 (32) 37
40–49 227 (13) 13 142 (13) 15
>50
 556 (33)
 25
63 (5.7)
 6.5
Residence
Rural 867 (51) 59 0 0
Peri-urban 716 (42) 33 1,115 (100) 100
Urban
 121 (7.1)
 8
0
 0
Monthly household income, South African rands
<1,000 416 (24) 111 (10)
1,000–2,500 785 (46) 261 (23)
2,500–5,000 302 (18) 374 (34)
5,000–10,000 125 (7.3) 179 (16)
>10,000 65 (3.8) 61 (5.5)
Unknown/missing
 11 (0.65)
129 (12)
Employment
Full-time 329 (19) 403 (36)
Part-time/casual 68 (4) 213 (19)
None 1299 (76) 492 (44)
Missing
 8 (0.5)
7 (0.6)
Household size
1 115 (6.7) 4.1 203 (18) 19
2–4 287 (17) 26 683 (61) 66
5–7 488 (29) 33 195 (17) 13
8–10 375 (22) 20 26 (2.3) 1.6
>11
 439 (26)
 17
8 (0.72)
 0.4
Day reported
Monday 239 (14) 203 (18)
Tuesday 242 (14) 202 (18)
Wednesday 239 (14) 187 (17)
Thursday 251 (15) 138 (12)
Friday 261 (15) 80 (7.2)
Saturday 245 (14) 98 (8.8)
Sunday
 227 (13)
207 (19)
Total 1,704 33,288 1,115 20,633

*Target population refers to persons in the populations >15 years of age. †In KwaZulu-Natal, urban is defined as KwaMsane Municipality, peri-urban as other areas with a population density >400/km2, and rural as areas with a population density <400/km2.

Main Article

Page created: August 15, 2022
Page updated: September 20, 2022
Page reviewed: September 20, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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