Sentence examples for between cohort differences in from inspiring English sources

Because prospective epidemiological studies are often hampered by limited control over confounding and other factors, including unmeasured between cohort differences in genetic vulnerability and nutritional adequacy, inferences about toxicity often depend heavily on a qualitative assessment of the weight of the evidence from multiple studies.

Despite the between-cohort differences in power, a number of SNP-CpG associations were common across cohorts.

Many between-cohort differences in demographics, laboratory findings, vital signs, comorbidities, and other variables were statistically significant.

The statistical significance of between-cohort differences in categorical variables was tested using the chi-square test and in continuous variables using the two-sample t-test.

There were no between-cohort differences in either the frequency of using any CAM modality (p-values ranged from.14 to.90) or in the mean total number of modalities used (2.4 ± 2.5; p =.24).

However, it seems likely that LNU underestimated abstinence and the cohort differences in abstinence between the older cohorts.

Although cohort-specific association estimates suggested the possibility of between-cohort differences, with stronger estimates in the French EGEA cohort compared with the others, heterogeneity among the cohorts was not statistically significant (Table 2).

There were no reliable cohort differences in the association between hardship and depression having controlled for socio-demographic characteristics.

*Two sided P value for difference between two time cohorts; differences in age distribution at diagnosis were calculated from Mann-Whitney U test; all other differences were obtained from χ test.

Analyses conducted with mean-centered variables will remove differences between cohorts and only consider within-cohort differences in exposure.

However, it is unlikely that there will be strong cohort differences between such small differences in ages, so we believe our findings should reflect general age differences rather than time-specific cohort differences.