Table 1 Cases characteristics and within different distance of the monitoring sites
From: Weather effects on hand, foot, and mouth disease at individual level: a case-crossover study
Total N (%) | 10 km N (%) | 20 km N (%) | 30 km N (%) | P value* | |
|---|---|---|---|---|---|
Sample size | 921,499 (100) | 100,669 (10.92) | 280,957 (30.49) | 490,497 (53.23) | |
Sex | 0.016 | ||||
female | 327,858 (35.58) | 36,770 (36.53) | 101,648 (36.18) | 176,843 (36.05) | |
male | 593,641 (64.42) | 63,899 (63.47) | 179,309 (63.82) | 313,654 (63.95) | |
Age | <0.001 | ||||
(0, 1] | 402,160 (43.64) | 39,806 (39.54) | 119,233 (42.44) | 209,734 (42.76) | |
(1, 3] | 362,151 (39.30) | 43,096 (42.81) | 115,171 (40.99) | 199,021 (40.58) | |
(3, 5] | 112,854 (12.25) | 13,051 (12.96) | 34,217 (12.18) | 59,709 (12.17) | |
(5, 18] | 44,334 (4.81) | 4716 (4.68) | 12,336 (4.39) | 22,033 (4.49) | |
Occupation | <0.001 | ||||
student | 27,126 (2.94) | 2844 (2.83) | 7616 (2.71) | 13,786 (2.81) | |
preschool | 182,051 (19.76) | 27,330 (27.15) | 64,607 (23.00) | 111,652 (22.76) | |
home-care | 709,310 (76.97) | 70,364 (69.90) | 208,133 (74.08) | 363,730 (74.16) | |
others | 3012 (0.33) | 131 (0.13) | 601 (0.21) | 1329 (0.27) | |
Virus | <0.001 | ||||
CoxA16 | 6113 (0.66) | 2345 (2.33) | 4012 (1.43) | 4806 (0.98) | |
EV71 | 8207 (0.89) | 1848 (1.84) | 3747 (1.33) | 5353 (1.09) | |
others | 7122 (0.77) | 2843 (2.82) | 4871 (1.73) | 5840 (1.19) | |
missing | 900,057 (97.67) | 93,633 (93.01) | 268,327 (95.50) | 474,498 (96.74) | |
Severity | <0.001 | ||||
mild | 916,653 (99.47) | 100,213 (99.55) | 279,505 (99.48) | 487,676 (99.42) | |
severe | 3737 (0.41) | 364 (0.36) | 1152 (0.41) | 2244 (0.46) | |
missing | 1109 (0.12) | 92 (0.09) | 300 (0.11) | 577 (0.12) |