Oak Creek Community Health Assessment

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The City of Oak Creek Health Department recently released the results of the Oak Creek Community Health Assessment. This report was commissioned by Aurora Health Care, Children’s Hospital of Wisconsin, Columbia St. Mary’s Health System, Froedtert Health and Wheaton Franciscan Healthcare in partnership with the Oak Creek Health Department and the Center for Urban Population Health. The purpose of this project is to provide Oak Creek with information for an assessment of the health status of residents. Primary objectives are to:

  1. Gather specific data on behavioral and lifestyle habits of the adult population. Select information will also be collected about the respondent’s household.
  2. Gather data on the prevalence of risk factors and disease conditions existing within the adult population.
  3. Compare, where appropriate, health data of residents to previous health studies.
  4. Compare, where appropriate and available, health data of residents to state and national measurements.

Respondents were scientifically selected so that the survey would be representative of all adults 18 years old and older. The sampling strategy was two-fold. 1) A random-digit-dial landline sample of telephone numbers which included listed and unlisted numbers. The respondent within each household was randomly selected by computer based on the number of adults in the household (n=357). 2) A cell phone-only sample where the person answering the phone was selected as the respondent (n=43). At least 8 attempts were made to contact a respondent in both samples. Screener questions verifying location were included. Data collection was conducted by Management Decisions Incorporated.

A total of 400 telephone interviews were completed between June 21, 2012 and October 16, 2012. With a sample size of 400, we can be 95% sure that the sample percentage reported would not vary by more than ±5 percent from what would have been obtained by interviewing all persons 18 years old and older who lived in Oak Creek. The margin of error for smaller subgroups will be larger. For the landline sample, weighting was based on the number of adults in the household and the number of residential phone numbers, excluding fax and computer lines, to take into account the probability of selection. For the cell-phone only sample, it was assumed the respondent was the primary cell phone user. Combined, post-stratification was conducted by sex and age to reflect the 2010 census proportion of these characteristics in the area. Throughout the report, some totals may be more or less than 100% due to rounding and response category distribution. Percentages occasionally may differ by one or two percentage points from previous reports or the Appendix as a result of rounding, recoding variables or response category distribution.