From: A case-control study on the risk factors for hemorrhagic fever with renal syndrome
Variable | Cases | Controls | P-value | OR (95% CI) |
---|---|---|---|---|
n(%) | n(%) | |||
Education level | ||||
Primary school and below | 51 (59.3) | 86 (50.0) | 0.101 | 0.595 (0.320–0.108) |
Above the primary school | 35 (40.7) | 86 (50.0) | ||
Having underlying diseases | ||||
Yes | 5 (5.8) | 13 (7.6) | 0.585 | 0.733 (0.240–2.239) |
No | 81 (94.2) | 159 (92.4) | ||
Household income (RMB) | ||||
≤30,000 | 53 (61.6) | 81 (47.1) | 0.009 | 0.413 (0.212–0.804) |
> 30,000 | 33 (38.4) | 91 (52.9) | ||
House near pond | ||||
Yes | 38 (44.2) | 70 (40.7) | 0.533 | 1.264 (0.606–2.635) |
No | 48 (55.8) | 102 (59.3) | ||
Cleaning spare rooms at home | ||||
Yes | 62 (72.1) | 90 (52.3) | 0.001 | 3.280 (1.653–6.512) |
No | 24 (27.9) | 82 (47.7) | ||
Sprinkling while cleaning spare rooms at home | ||||
Yes | 9 (25.7) | 37 (54.4) | 0.418 | 0.549 (0.128–2.344) |
No | 26 (74.3) | 31 (45.6) | ||
Presence of rats at home | ||||
Yes | 50 (58.1) | 76 (44.2) | 0.013 | 2.278 (1.188–4.366) |
No | 36 (41.9) | 96 (55.8) | ||
Rodent control measures at home | ||||
Yes | 26 (30.2) | 73 (42.4) | 0.028 | 0.472 (0.242–0.921) |
No | 60 (69.8) | 99 (57.6) | ||
Presence of rats in the working areas | ||||
Yes | 19 (22.1) | 35 (20.3) | 0.703 | 1.156 (0.548–2.438) |
No | 67 (77.9) | 137 (79.7) | ||
Rodent control measures in the working areas | ||||
Yes | 2 (2.3) | 25 (14.5) | 0.008 | 0.064 (0.008–0.492) |
No | 84 (97.7) | 147 (85.5) | ||
Contacting with rats and/or their excreta | ||||
Yes | 8 (9.3) | 18 (10.5) | 0.752 | 0.858 (0.332–2.216) |
No | 78 (90.7) | 154 (89.5) | ||
Raising cats | ||||
Yes | 12 (14.0) | 46 (26.7) | 0.011 | 0.378 (0.179–0.797) |
No | 74 (86.0) | 126 (73.3) | ||
Raising dogs | ||||
Yes | 30 (34.9) | 80 (46.5) | 0.054 | 0.562 (0.313–1.011) |
No | 56 (65.1) | 92 (53.5) | ||
Raising chickens | ||||
Yes | 32 (37.2) | 83 (48.3) | 0.041 | 0.511 (0.268–0.973) |
No | 54 (62.8) | 89 (51.7) | ||
Raising ducks | ||||
Yes | 5 (5.8) | 26 (15.1) | 0.012 | 0.143 (0.031–0.654) |
No | 81 (94.2) | 146 (84.9) | ||
Raising gooses | ||||
Yes | 4 (4.7) | 3 (1.7) | 0.199 | 2.667 (0.597–11.975) |
No | 82 (95.3) | 169 (98.3) | ||
Airing quilts | ||||
Frequent(≥4 times per week) | 59 (68.6) | 142 (82.6) | 0.004 | 0.328 (0.155–0.694) |
Infrequent(< 4 times per week) | 27 (31.4) | 30 (17.4) | ||
Proper storage of food and crops | ||||
Yes | 24 (27.9) | 67 (39.0) | 0.028 | 0.442 (0.214–0.916) |
No | 62 (72.1) | 105 (61.0) | ||
Heat leftovers before eating | ||||
Yes | 64 (74.4) | 111 (64.5) | 0.054 | 1.975 (0.987–3.951) |
No | 22 (25.6) | 61 (35.5) | ||
Resting on a grass field | ||||
Yes | 7 (8.1) | 6 (3.5) | 0.066 | 4.464 (0.906–23.821) |
No | 79 (91.9) | 166 (96.5) | ||
Farming with broken skins | ||||
Yes | 2 (2.3) | 8 (4.7) | 0.381 | 0.500 (0.106–2.355) |
No | 84 (97.7) | 164 (95.3) | ||
Mite bites | ||||
Yes | 3 (3.5) | 6 (3.5) | 1.000 | 1.000 (0.250–3.998) |
No | 83 (96.5) | 166 (96.5) |