Table 1 Demographic characteristics and streptococcal group distributions of children attending slum and non-slum clinics
Total Population (n = 2194) | Non-sluma(n = 917) | Slumb(n = 1277) | ||||
|---|---|---|---|---|---|---|
N | N | p-value | ||||
Cases | 624 | 915 | 287 | 1266 | 337 | -- |
Controls | 1557 | 915 | 628 | 1266 | 929 | -- |
Mean Age in years (95%CI) | 7.5 (7.3-7.6) | 917 | 7.8 (7.6-8.1) | 1277 | 7.2 (7.1-7.4) | <.001 |
Sex | 1.0 | |||||
Female | 1060 | 917 | 443 | 1277 | 617 | |
Male | 1134 | 917 | 474 | 1277 | 660 | |
Monthly salary | 870 | 1205 | <.001 | |||
≤415 | 685 | 37 | 648 | |||
416-830 | 550 | 161 | 389 | |||
831-1660 | 336 | 204 | 132 | |||
1661-2490 | 195 | 173 | 22 | |||
≥2491 | 309 | 295 | 14 | |||
Mean # people/house (95%CI) | 4.3 (4.2-4.3) | 917 | 4.0 (3.9-4.1) | 1275 | 4.5 (4.4-4.6) | <.001 |
Mean # people ≤ 15 yrs./house (95%CI) | 1.8 (1.8-1.9) | 917 | 1.6 (1.5-1.6) | 1276 | 2.0 (2.0-2.1) | <.001 |
Group A | 254 | 917 | 99 | 1277 | 155 | 0.33 |
Group B | 34 | 917 | 24 | 1277 | 10 | .001 |
Group C | 57 | 917 | 30 | 1277 | 27 | 0.09 |
Group F | 51 | 917 | 24 | 1277 | 27 | 0.44 |
Group G | 133 | 917 | 46 | 1277 | 87 | 0.08 |