Table 3.
Background characteristics associated with successful matching in the dataset of records matched by means of fingerprints
|
Variable |
n |
Linkage scenario 6 |
Linkage scenario 16 |
Linkage scenario 17 |
||||
|---|---|---|---|---|---|---|---|---|
| |
|
|
Matched |
Multivariable |
Matched |
Multivariable |
Matched |
Multivariable |
| n (%) | OR (95% CI) | n (%) | OR (95% CI) | n (%) | OR (95% CI) | |||
| |
623 |
492 (79.0) |
|
551 (88.4) |
|
552 (88.6) |
|
|
|
Sex |
|
|
|
|
|
|
|
|
| |
Female |
511 |
395 (77.3) |
1 |
445 (87.1) |
1 |
447 (87.5) |
1 |
| |
Male |
112 |
97 (86.6) |
2.86 (1.41-5.82)* |
106 (94.6) |
4.38 (1.52-12.61)* |
105 (93.8) |
3.34 (1.25-8.97)* |
|
Age |
|
|
|
|
|
|
|
|
| |
18-34 |
334 |
284 (85.0) |
1 |
308 (92.2) |
1 |
308 (92.2) |
1 |
| |
35-49 |
125 |
100 (80.0) |
0.99 (0.53-1.84) |
112 (89.6) |
0.84 (0.36-1.93) |
115 (92.0) |
1.21 (0.5-2.92) |
| |
50-64 |
89 |
66 (74.2) |
0.76 (0.35-1.66) |
78 (87.6) |
0.75 (0.27-2.14) |
77 (86.5) |
0.75 (0.27-2.12) |
| |
65+ |
75 |
42 (56.0) |
0.35 (0.15-0.85)* |
53 (70.7) |
0.21 (0.07-0.63)* |
52 (69.3) |
0.25 (0.08-0.74)* |
|
Ethnicity |
|
|
|
|
|
|
|
|
| |
Other |
96 |
67 (70.0) |
1 |
76 (79.2) |
1 |
75 (78.1) |
1 |
| |
South African |
527 |
425 (80.7) |
1.3 (0.71-2.37) |
475 (90.1) |
1.82 (0.88-3.77) |
477 (90.5) |
2.1 (1.02-4.33)* |
|
Residence status |
|
|
|
|
|
|
|
|
| |
Permanent |
574 |
450 (78.4) |
1 |
506 (88.1) |
1 |
507 (88.3) |
1 |
| |
Temporary and other |
49 |
42 (85.7) |
1.63 (0.54-4.88) |
45 (91.8) |
1.28 (0.28-5.89) |
45 (91.8) |
1.4 (0.31-6.44) |
|
Highest level of education |
|
|
|
|
|
|
||
| |
None |
97 |
54 (55.7) |
1 |
71 (73.2) |
1 |
69 (71.1) |
1 |
| |
Some primary |
191 |
144 (75.4) |
1.46 (0.76-2.83) |
164 (85.8) |
1.16 (0.51-2.63) |
166 (87.0) |
1.43 (0.64-3.22) |
| |
Post primary |
302 |
267 (88.4) |
2.73 (1.18-6.36)* |
288 (95.4) |
2.62 (0.87-7.92) |
288 (95.4) |
3.05 (1.01-9.24)* |
|
Employment |
|
|
|
|
|
|
|
|
| |
Not working |
514 |
413 (80.4) |
1 |
462 (89.8) |
1 |
460 (89.5) |
1 |
| |
Working |
93 |
70 (75.3) |
0.68 (0.37-1.25) |
79 (85.0) |
0.53 (0.25-1.14) |
81 (87.1) |
0.71 (0.32-1.58) |
|
Wealth quintile |
|
|
|
|
|
|
|
|
| |
Lowest |
44 |
28 (63.6) |
1 |
33 (75.0) |
1 |
34 (77.3) |
1 |
| |
Second |
84 |
62 (73.8) |
1.48 (0.63-3.49) |
75 (89.3) |
2.42 (0.84-6.98) |
73 (90.0) |
1.63 (0.57-4.62) |
| |
Middle |
125 |
100 (80.0) |
1.89 (0.82-4.37) |
108 (86.4) |
1.60 (0.6-4.25) |
110 (88.0) |
1.58 (0.58-4.36) |
| |
Fourth |
172 |
136 (79.1) |
1.81 (0.8-4.11) |
152 (88.3) |
2.08 (0.78-5.54) |
150 (87.2) |
1.47 (0.55-3.93) |
| |
Highest |
184 |
159 (86.4) |
2.9 (1.24-6.75)* |
174 (94.5) |
4.4 (1.51-12.84)* |
175 (95.1) |
4.03 (1.34-12.17)* |
|
Goodness-of-fit |
|
|
|
|
|
|
|
|
| Pseudo R2, Wald χ2 (p-value) | 0.11, 56.89 (<0.0001) | 0.16, 51.94 (<0.0001) | 0.16, 53.76 (<0.0001) | |||||
Statistical significance: * = p-value < 0.05.