Table 4 Distribution of background characteristics in the dataset matched by means of fingerprints compared to three datasets of records matched using conventional personal identifiers
Variable | Matched on fingerprint (n = 623) | Matched with scenario 6 (n = 492) | Matched with scenario 16 (n = 551) | Matched with scenario 17 (n = 552) | ||||
|---|---|---|---|---|---|---|---|---|
n(%) | n(%) | p-value* | n(%) | p-value* | n(%) | p-value* | ||
Sex | ||||||||
Female | 511 (82.0) | 395 (80.3) | 445 (80.8) | 447 (81.0) | ||||
Male | 112 (18.0) | 97 (19.7) | 0.460 | 106 (19.2) | 0.579 | 105 (19.0) | 0.645 | |
Age | ||||||||
18-34 | 334 (53.6) | 284 (57.7) | 308 (55.9) | 308 (55.8) | ||||
35-49 | 125 (20.1) | 100 (20.3 | 112 (20.3) | 115 (20.8) | ||||
50-64 | 89 (14.3) | 66 (13.4) | 78 (14.2) | 77 (14.0) | ||||
65+ | 75 (12.0) | 42 (8.5) | 0.240 | 53 (9.6) | 0.601 | 52 (9.4) | 0.528 | |
Ethnicity | ||||||||
Other | 96 (15.4) | 67 (13.6) | 76 (13.8) | 75 (13.6) | ||||
South African | 527 (84.6) | 425 (86.4) | 0.401 | 475 (86.2) | 0.434 | 477 (86.4) | 0.377 | |
Residence status | ||||||||
Permanent | 574 (92.1) | 450 (91.5) | 506 (91.8) | 507 (91.8) | ||||
Temporary and other | 48 (7.7) | 42 (8.5) | 0.595 | 45 (8.2) | 0.617 | 45 (8.2) | 0.618 | |
Highest level of education | ||||||||
None | 97 (15.6) | 54 (11.0) | 71 (12.9) | 69 (12.5) | ||||
Some primary | 191 (30.7) | 144 (29.3) | 164 (29.8) | 166 (30.1) | ||||
Post primary | 302 (48.5) | 267 (54.3) | 0.098 | 288 (52.3) | 0.491 | 288 (52.2) | 0.426 | |
Employment | ||||||||
Not working | 514 (82.5) | 413 (83.9) | 462 (83.4) | 460 (83.3) | ||||
Working | 93 (14.9) | 70 (14.2) | 0.660 | 79 (14.3) | 0.643 | 81 (14.7) | 0.795 | |
Wealth quintile | ||||||||
Lowest | 44 (7.1) | 28 (5.7) | 33 (6.0) | 34 (16.2) | ||||
Second | 84 (13.5) | 62 (12.6) | 75 (13.6) | 73 (13.2) | ||||
Middle | 125 (20.1) | 100 (20.3) | 108 (19.6) | 110 (19.9) | ||||
Fourth | 172 (27.6) | 136 (27.6) | 152 (27.6) | 150 (21.2) | ||||
Highest | 184 (29.5) | 159 (32.3) | 0.753 | 174 (31.58) | 0.912 | 175 (31.7) | 0.952 | |