Research Article
Toxoplasma gondii Infection in Pregnant Women: A Seroprevalence and Case-Control Study in Eastern China
Table 2
Sociodemographic and risk factors associated with Toxoplasma seropositivity in pregnant women and controls by univariate analysis.
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Characteristic | Pregnant women () | Controls () | Total () | Number tested | Number positive | % | value | Number tested | Number positive | % | value | Number tested | Number positive | % | value |
| Age group (years) | | | | | | | | | | | | | 25 or less | 339 | 47 | 13.9 | 0.17 | 252 | 44 | 17.5 | 0.49 | 591 | 91 | 15.4 | 0.03 | 26–35 | 467 | 68 | 13.7 | 551 | 90 | 16.3 | 1018 | 158 | 15.5 | >35 | 159 | 32 | 20.1 | 162 | 33 | 20.4 | 321 | 65 | 20.2 | Location | | | | | | | | | | | | | Qingdao | 445 | 69 | 15.5 | 0.83 | 415 | 77 | 18.6 | 0.37 | 860 | 146 | 17.0 | 0.45 | Weihai | 520 | 78 | 15.0 | 550 | 90 | 16.4 | 1070 | 168 | 15.7 | Residence area | | | | | | | | | | | | | Urban | 534 | 70 | 13.1 | 0.04 | 386 | 60 | 15.5 | 0.24 | 920 | 130 | 14.1 | 0.02 | Rural | 431 | 77 | 17.9 | 579 | 107 | 18.5 | 1010 | 184 | 18.2 |
Cat at home | | | | | | | | | | | | | Yes | 14 | 4 | 28.6 | 0.16 | 108 | 33 | 30.6 | <0.001 | 122 | 37 | 30.3 | <0.001 | No | 951 | 143 | 15.0 | 857 | 134 | 15.6 | 1808 | 277 | 15.3 | Dog at home | | | | | | | | | | | | | Yes | 182 | 22 | 12.1 | 0.19 | 280 | 35 | 12.5 | 0.01 | 462 | 57 | 12.3 | 0.009 | No | 783 | 125 | 16.0 | 685 | 132 | 19.3 | 1468 | 257 | 17.5 | Contact with cat and dog | | | | | | | | | | | | | Yes | 203 | 74 | 36.5 | <0.001 | 429 | 113 | 26.3 | <0.001 | 632 | 187 | 29.6 | <0.001 | No | 762 | 73 | 9.58 | 536 | 54 | 10.1 | 1298 | 127 | 9.78 | Consumption of raw vegetables and fruits | | | | | | | | | | | | | Yes | 545 | 92 | 16.9 | 0.11 | 688 | 127 | 18.5 | 0.14 | 1233 | 219 | 17.8 | 0.02 | No | 420 | 55 | 13.1 | 277 | 40 | 14.4 | 697 | 95 | 13.6 | Consumption of raw/undercooked meat | | | | | | | | | | | | | Yes | 692 | 108 | 15.6 | 0.61 | 625 | 118 | 18.9 | 0.08 | 1317 | 226 | 17.2 | 0.12 | No | 273 | 39 | 14.3 | 340 | 49 | 14.4 | 613 | 88 | 14.4 | Exposure to soil | | | | | | | | | | | | | Yes | 572 | 98 | 17.1 | 0.048 | 731 | 137 | 18.7 | 0.037 | 1303 | 235 | 18.0 | 0.002 | No | 393 | 49 | 12.5 | 234 | 30 | 12.8 | 627 | 79 | 12.6 | Source of drinking water | | | | | | | | | | | | | Tap | 715 | 110 | 15.4 | 0.83 | 642 | 112 | 17.4 | 0.871 | 1357 | 222 | 16.4 | 0.87 | Well + river | 250 | 37 | 14.8 | 323 | 55 | 17.0 | 573 | 92 | 16.1 |
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