Multivariable logistical regression model of risk factors for malaria infection in Zambezia province.

OR* adjusted for age, year of survey and wealth index. Estimates of OR* for covariates not related with farm animals were done with pig variable in the model.*P-value derived from Wald test adjusted for the combine effect of categories in the variable.已针对年龄、调查年份与财富指数对OR*（比值比，Odds Ratio）完成校正。 针对与家畜（farm animals）无关的协变量（covariates）的OR*估计值，通过在模型中纳入猪变量的方式计算得出。 * P值源自针对变量各类别组合效应进行校正的沃尔德（Wald）检验。