Newsline is nonprofit, nonpartisan and independent, and it provides fair and accurate reporting on politics, policy and other stories of interest to Colorado readers. Colorado Newsline’s mission is to be a trusted source of such information. “When the sampling error around an estimate is taken into account, apparent differences between estimates may not be statistically significant.”ĭemocracy functions only when people have access to reliable information about government and society. “When estimates are derived from a sample, as with the NCVS, caution must be used when comparing one estimate to another or when comparing estimates over time,” the report states. But its estimate of 45 incidences per 1,000 people reflected a range of between 36.2 and 52.8 at a 95% confidence level, making direct comparisons with other high-incidence states like Arizona and Washington less certain. average to a statistically significant degree. The report found that Colorado’s violent crime victimization rate was higher than the U.S. Because the estimates are derived from weighted statistical samples, caveats apply. The victimization estimates for Colorado are based on responses from roughly 16,000 eligible households between 20. “The decision to include 22 states, instead of more or fewer, was based on the NCVS sample allocation and on the cost of boosting the sample enough to produce precise, representative estimates of personal and property victimization for individual states,” the BJS report says. Beginning in 2016, the sample was enlarged and adjusted in order to enable state-level analyses, but only for the 22 most populous states. Though the data from the survey sample suggests that unreported crimes would push that ranking higher, they don’t show that Colorado is “number one,” as the CBS story continued to claim as of late Wednesday afternoon.įor decades after its creation in 1972, the National Crime Victimization Survey collected data from a sample of households that was only large enough to accurately measure trends at the national level, rather than on a state-by-state basis. "In recent years, Colorado’s reported violent crime rates have ranked near the middle of the pack compared to other states," according to NIBRS data.
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