Table 2: Match percentages among eligible point-of-contact interactive record linkage (PIRL) participants in rural Tanzania, by patient characteristic and clinic, n=2,624.
Abbreviations: CTC - HIV care and treatment centre; ANC - antenatal clinic; HTC - HIV testing and counselling clinic; HDSS - health and demographic surveillance system; IQR - interquartile range
Note: all statistics are given in n (%), unless otherwise noted
a Statistical differences tested for significance with chi-square (𝜒2), Fisher's Exact, or Wilcoxon Rank-Sum tests
b Recently hired fieldworker who had not yet worked in CTC
| Overall | CTC | ANC | HTC | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|
|||||||||
| Characteristic | Matched | Not matched |
P a |
Matched | Not matched |
P a |
Matched | Not matched |
P a |
Matched | Not matched |
P a |
| (n=2,206) | (n=418) | (n=478) | (n=78) | (n=1,077) | (n=208) | (n=651) | (n=132) | |||||
| Sex | ||||||||||||
| Female | 1,769 (84.2) | 331 (15.8) | 0.7181 | 307 (85.0) | 54 (15.0) | 0.4030 | 1,053 (84.2) | 197 (15.8) | 0.0446 | 409 (83.6) | 80 (16.4) | 0.6310 |
| Male | 433 (83.6) | 85 (16.4) | 170 (87.6) | 24 (12.4) | 21 (70.0) | 9 (30.0) | 242 (82.3) | 52 (17.7) | ||||
| Age, years | ||||||||||||
| <15 | 131 (86.2) | 21 (13.8) | 0.0431 | 26 (81.3) | 6 (18.8) | 0.0369 | 87 (88.8) | 11 (11.2) | 0.1887 | 18 (81.8) | 4 (18.2) | 0.5896 |
| 15-49 | 1,836 (83.4) | 365 (16.6) | 329 (84.3) | 61 (15.6) | 985 (83.5) | 195 (16.5) | 522 (82.7) | 109 (17.3) | ||||
| 50+ | 231 (89.2) | 28 (10.8) | 122 (92.4) | 10 (7.6) | 2 (66.7) | 1 (33.3) | 107 (86.3) | 17 (13.7) | ||||
| Sub-village of residence, has road | ||||||||||||
| Yes | 1,318 (81.4) | 302 (18.6) | <0.0001 | 227 (82.0) | 50 (18.0) | 0.0034 | 746 (82.0) | 164 (18.0) | 0.0027 | 345 (79.7) | 88 (20.3) | 0.0029 |
| No | 886 (88.9) | 111 (11.1) | 249 (90.6) | 26 (9.5) | 331 (88.7) | 42 (11.3) | 306 (87.7) | 43 (12.3) | ||||
| Sub-village of residence, type | ||||||||||||
| Rural | 703 (89.0) | 87 (11.0) | <0.0001 | 212 (88.3) | 28 (11.7) | 0.3595 | 237 (89.1) | 29 (10.9) | 0.0084 | 254 (89.4) | 30 (10.6) | 0.0005 |
| Peri-urban | 696 (84.6) | 127 (15.4) | 140 (85.9) | 23 (14.1) | 380 (84.8) | 68 (15.2) | 176 (83.0) | 36 (17.0) | ||||
| Urban | 805 (80.2) | 199 (19.8) | 124 (83.2) | 25 (16.8) | 460 (80.8) | 109 (19.2) | 221 (77.3) | 65 (22.7) | ||||
| Date of first visit | ||||||||||||
| June - August 2015 | 845 (81.5) | 192 (18.5) | 0.0050 | 303 (86.3) | 48 (13.7) | 0.4326 | 350 (78.8) | 94 (21.2) | 0.0014 | 192 (79.3) | 50 (20.7) | 0.1513 |
| September - December 2015 | 503 (88.3) | 67 (11.8) | 118 (88.1) | 16 (12.0) | 228 (89.8) | 26 (10.2) | 157 (86.3) | 25 (13.7) | ||||
| January - June 2016 | 503 (84.0) | 96 (16.0) | 33 (80.5) | 8 (19.5) | 299 (85.4) | 51 (14.6) | 171 (82.2) | 37 (17.8) | ||||
| July - December 2016 | 355 (84.9) | 63 (15.1) | 24 (80.0) | 6 (20.0) | 200 (84.4) | 37 (15.6) | 131 (86.8) | 20 (13.3) | ||||
| Fieldworker | ||||||||||||
| 1 - originally trained | 731 (86.7) | 112 (13.3) | 0.0001 | 412 (87.1) | 61 (12.9) | <0.0001 | 196 (86.0) | 32 (14.0) | 0.3075 | 118 (86.1) | 19 (13.9) | 0.0237 |
| 2 - originally trained | 951 (84.9) | 169 (15.1) | 46 (93.9) | 3 (6.1) | 747 (84.1) | 141 (15.9) | 156 (85.7) | 26 (14.3) | ||||
| 3 - originally trained | 387 (82.2) | 84 (17.8) | 10 (66.7) | 5 (33.3) | 49 (76.6) | 15 (23.4) | 324 (83.5) | 64 (16.5) | ||||
| 4 - substitute | 59 (69.4) | 26 (30.6) | 11 (52.6) | 9 (47.4) | 9 (90.9) | 1 (9.1) | 40 (71.4) | 16 (28.6) | ||||
| 5 - recently trained | 89 (78.1) | 25 (21.9) | b | 75 (79.8) | 19 (20.2) | 13 (65.0) | 7 (35.0) | |||||
| HIV test result at first visit | ||||||||||||
| Positive | - | - | - | 106 (83.5) | 21 (16.5) | 0.9855 | ||||||
| Negative | 529 (83.1) | 108 (17.0) | ||||||||||
| Inconclusive/unknown | 16 (84.2) | 3 (15.8) | ||||||||||