Table 2.
Demographic and streptococcal group distributions, by sore throat and carriage in slum versus non-slum children
| Non-slum (n = 915) a | Slum (n = 1266) b | |||||
|---|---|---|---|---|---|---|
| Case (%)c | Control (%)c | p-value | Case (%) | Control (%) | p-value | |
| 287 (31.4) | 628 (68.6) | 337 (26.6) | 929 (73.4) | |||
| Mean Age (95% CI) | 7.8 (7.3-8.2) | 7.9 (7.6-8.1) | 0.67 | 7.2 (6.8-7.5) | 7.3 (7.1-7.5) | 0.57 |
| Male | 139 (48.4) | 335 (53.3) | 0.17 | 146 (43.3) | 508 (54.7) | <.001 |
| Monthly Salary | N = 274 | N = 594 | 0.02 | N = 312 | N = 882 | .75 |
| ≤415 | 11 (4.0) | 26 (4.4) | 178 (57.1) | 468 (53.1) | ||
| 416-830 | 38 (13.9) | 123 (20.7) | 91 (29.2) | 291 (33.0) | ||
| 831-1660 | 58 (21.2) | 145 (24.4) | 34 (10.9) | 96 (10.9) | ||
| 1661-2490 | 55 (20.1) | 117 (19.7) | 5 (1.6) | 17 (1.9) | ||
| ≥2491 | 112 (40.9) | 183 (30.8) | 4 (1.3) | 10 (1.1) | ||
| Mean # persons per household (95% CI) | 4.0 (3.9-4.2) | 4.0 (3.9-4.1) | 0.96 | 4.5 (4.3-4.8) | 4.4 (4.3-4.5) | 0.27 |
| Mean # < 15 yrs. per household (95% CI) | 1.5 (1.5-1.6) | 1.6 (1.6-1.7) | 0.16 | 2.1 (2.0-2.3) | 2.0 (1.9-2.1) | 0.06 |
| Group A | 50 (17.4) | 49 (7.8) | <.001 | 78 (23.1) | 76 (8.2) | <.001 |
| Group B | 7 (2.4) | 17 (2.7) | 0.81 | 4 (1.1) | 6 (0.6) | 0.34 |
| Group C | 8 (2.8) | 22 (3.5) | 0.57 | 6 (1.8) | 21 (2.3) | 0.60 |
| Group F | 6 (2.1) | 18 (2.9) | 0.50 | 7 (2.1) | 20 (2.2) | 0.93 |
| Group G | 8 (2.8) | 38 (6.1) | 0.04 | 17 (5.0) | 70 (7.5) | 0.12 |
| No isolate | 208 (72.5) | 475 (75.6) | 0.17 | 225 (66.8) | 736 (79.2) | <.001 |
a Includes all patients from Clinic C. Case/control status missing for 2 study participants
b Includes all patients from Clinics A and B. Case/control status missing for 11 study participants
c Case = sore throat; control = carriage