comparison

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comparison

the basis of analytical epidemiology, the statistical comparison between groups.

comparison groups
the groups between which a statistical comparison is to be made.
comparison population
the population in which a comparison between groups is to be conducted. All of the groups to be used comprise the population.
References in periodicals archive ?
It was disconcerting that, though a statistically significant difference existed between treatment and comparison groups in behavioral intent, one-half the students completing the program said they were unlikely to perform BSE.
The rationale for the use of these matching variables was to obtain comparison groups drawn from populations as similar as possible to project enrollees.
4% in the comparison groups exclusively breastfed their babies up to five months (Table 8).
Comparison Group A received a list of 21 words grouped randomly into three groups of seven.
Table 1 displays real wages in 1998 dollars by year for RNs and the two comparison groups.
Initially this was done separately for the intervention and comparison groups.
Using one-way analysis of variance (ANOVA) procedures, participants in the intervention and comparison groups were tested for equivalence on the pretest measures of depression, anxiety, stress, and trauma.
Previous convictions are a factor in sentencing, but because the Ilderton and comparison groups are similar in terms of offending careers, this is unlikely to explain any differences in sentencing here.
did not compare the performance of their dyslexics with that of a comparison group of normal readers.
Both treatment and comparison groups received the money after the questionnaires were returned.
It was explained to both the camper and comparison groups that there were no right or wrong answers; the purpose of the test was to see how they had been feeling during the past few weeks.
We choose these three groups of states as comparison groups since we would expect very little change in dental care use among poor adults in these states in 2014.

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