Table 2 Comparison of general characteristics between cases and controls.
From: A Case-control Study on Risk Factors for Severe Hand, Foot and Mouth Disease
General characteristics | Cases (n = 459) | Controls (n = 246) | OR (95% CI) | p-value |
|---|---|---|---|---|
Premature birth | ||||
Yes | 19(4.3%) | 10(4.2%) | 1.0(0.5,2.3) | 0.93 |
No | 424(95.7%) | 230(95.8%) | Reference | |
Birth weight | 3.5 ± 0.5 | 3.2 ± 0.4 | 2.9(2.0,4.2) | 5*10−9(***) |
Uterine-incision delivery | ||||
Yes | 253(56.9%) | 150(62.8%) | 0.8(0.6,1.1) | 0.135(.) |
No | 192(43.2%) | 89(37.2%) | Reference | |
Breast-feeding | ||||
Yes | 312(70.3%) | 221(92.5%) | 0.2(0.1,0.3) | 6*10−10(***) |
No | 132(29.7%) | 18(7.5%) | Reference | |
Complication during perinatal stage | ||||
Yes | 6(1.4%) | 8(3.4%) | 0.4(0.1,1.2) | 0.099(·) |
No | 437(98.7%) | 231(96.7%) | Reference | |
congenital disease | ||||
Yes | 3(0.7%) | 3(1.3%) | 0.5(0.1,2.9) | 0.44 |
No | 444(99.3%) | 236(98.7%) | Reference | |
allergic history | ||||
Yes | 22(4.9%) | 1(0.4%) | 12.21(2.5,219,3) | 0.015(**) |
No | 429(95.1%) | 238(99.6%) | Reference | |
Time interval between symptoms onset to being hospitalized (days) | 3.6 ± 2.2 | 3.0 ± 1.7 | 1.2(1.1,1.3) | 5.39*10−4(***) |