![]() To describe trends, terms such as “stable” and “no clear trend” are used to indicate that the slope of the segment was not statistically different from 0, while terms such as “increased” and “decreased” indicate that a significant slope was detected. Lack of comment regarding the difference between estimates does not necessarily mean that differences were tested and found not to be significant. To describe differences across groups, terms such as “similar” and “no difference” are used to indicate that the estimates being compared were not found to be significantly different, while terms such as “higher” or “lower” indicate that a significant difference was detected. Statistical significance is assessed at the 0.05 level without correction for multiple comparisons. ![]() Differences were assessed for statistical significance using statistical testing methods recommended by the individual data systems. ![]() Where possible, changes over time and differences across groups are tested for statistical significance. Health, United States data cover four subject areas: health status and determinants, utilization of health resources, health care resources, and health care expenditures and payers. Consistent with the annual report, the Spotlight focuses on trends over time and features data from both NCHS and non-NCHS (government or private) sources. Spotlights are published throughout the year and feature the most current data available at the time of publication. The Health, United States Spotlight is an infographic series that explores topics of public health importance using data from the Health, United States annual report. ![]()
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