Regarding soil texture, relative to the reference category, sandy clay loam ( β = -1.22, SE = 0.04, t = -30.14, p < 0.001) and Clay ( β = -0.13, SE = 0.01, t = -14.97, p < 0.001) showed significant negative associations, while silt loam ( β = -0.01, SE = 0.00, t = -1.73, p = 0.085) did not reach statistical significance at the 0.05 level.
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Soil properties and spatial distribution of chronic gastritis in Yanshan County, China: a spatial epidemiological study.
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The nonlinear components were highly significant and exhibited clear, interpretable shapes (Table 9 ; Figs. 6 and 7 ).