Sentence examples for imprecise association from inspiring English sources

Although we can transform quantitative attributes into boolean attributes, this approach is not effective and is difficult to scale up for high-dimensional cases and also may result in many imprecise association rules.

Finally, another limitation is the small number of cases of high SDQ scores, especially when examining effect modification by sex as well as for the associations with pesticide use, resulting in imprecise association estimates.

The one available case control study observed a strong but imprecise association between maternal exposure to TCE-contaminated drinking water during pregnancy and childhood leukemia (Costas et al. 2002).

When using disjoint categories for age at residence, there were positive but imprecise associations was for women who were 15 20 at the residence they saw a fogger truck (OR = 1.86; 95% CI: 0.98, 3.52).

Suggestive but imprecise associations were also identified between air pollution and lung function, with lower FEV1 and FVC observed among persons with higher long-term levels of PM2.5 and NOx.

Historically, the difficulty in epidemiologic studies has been that the only available air pollution data originated from central regional ambient sites, which may not be representative of personal exposures, resulting in imprecise associations.

Nolan et al. (2009a) used birth certificate information to address pregnancy complications in women residing in a high-PFOA area of the Mid-Ohio Valley and reported extremely imprecise associations with anemia and dysfunctional labor and lower overall risk of labor and delivery complications.

We also observed a consistent, though imprecise, positive association between PM2.5 exposure and an increased LF HF ratio, which was similar to our results for BC and was in general strongest for exposures measured over longer time periods.

Finally, sample size was limited, mainly to AML, thus resulting in imprecise estimates of association.

For both measures of verbal fluency, there was an imprecise but consistent association between exposure and higher verbal fluency.

Consequently, the resulting risk estimates were statistically imprecise for the association with specific childhood brain tumor subtypes.