Table 1 Characteristics of 636 survey subjects according to clinical diagnosis
Characteristics | Total (n = 636) | No symptoms (n = 391) | Suspected cases (n = 161) | Probable cases (n = 84) | P-value* | |||||
|---|---|---|---|---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | n | (%) | |||
Department | Medicine | 389 | 61.2 | 224 | 57.3 | 107 | 66.5 | 58 | 69.0 | 0.037 |
Nursing | 247 | 38.8 | 167 | 42.7 | 54 | 33.5 | 26 | 31.0 | ||
Grade | 1 | 164 | 25.8 | 85 | 21.7 | 54 | 33.5 | 25 | 29.8 | 0.079 |
2 | 158 | 24.8 | 96 | 24.6 | 59 | 36.6 | 23 | 27.4 | ||
3 | 156 | 24.5 | 105 | 26.9 | 35 | 21.7 | 16 | 19.0 | ||
4 | 158 | 24.8 | 105 | 26.9 | 33 | 20.5 | 20 | 23.8 | ||
Sex | Male | 243 | 38.2 | 152 | 38.9 | 56 | 34.8 | 35 | 41.7 | 0.517 |
Female | 392 | 61.6 | 238 | 60.9 | 105 | 65.2 | 49 | 58.3 | ||
Unknown | 1 | 0.2 | 1 | 0.3 | 0 | 0.0 | 0 | 0.0 | ||
Continuous cough | Yes | 245 | 38.5 | 0 | 161 | 100.0 | 84 | 100.0 | ||
Less than 1 week | 38 | 6.0 | - | 38 | 23.6 | 0 | 0.0 | <0.001 | ||
1 week or more and less than 2 weeks | 102 | 16.0 | - | 102 | 63.4 | 0 | 0.0 | |||
2 weeks or more | 105 | 16.5 | - | 21 | 13.0 | 84 | 100.0 | |||
Characters of continuous cough (multiple answers) | Proxysms of coughing | 233 | 36.6 | - | 152 | 94.4 | 81 | 96.4 | 0.48 | |
Inspiratory whooping | 22 | 3.5 | - | 12 | 7.5 | 10 | 11.9 | 0.247 | ||
Posttussive vomiting | 70 | 11.0 | - | 31 | 19.3 | 39 | 46.4 | <0.0001 | ||
Medical institution | Visited | 121 | 19.0 | - | 67 | 41.6 | 54 | 64.3 | 0.0008 | |
Diagnosed with pertussis | 56 | 8.8 | - | 30 | 18.6 | 26 | 31.0 | 0.0323 | ||
Self-report DTaP vaccination status | ||||||||||
No | 7 | 1.1 | 5 | 1.3 | 2 | 1.2 | 0 | 0.0 | <0.001 | |
1 shot | 19 | 3.0 | 9 | 2.3 | 4 | 2.5 | 6 | 7.1 | ||
2 doses | 19 | 3.0 | 8 | 2.0 | 3 | 1.9 | 8 | 9.5 | ||
3 doses | 10 | 1.6 | 5 | 1.3 | 5 | 3.1 | 0 | 0.0 | ||
4 doses | 47 | 7.4 | 20 | 5.1 | 15 | 9.3 | 12 | 14.3 | ||
Uncertain | 534 | 84.0 | 344 | 88.0 | 132 | 82.0 | 58 | 69.0 | ||