Other concerns with any tabulate output involving confidence limits and a survey relates to weights and which divisor to use in calculations of variance / standard deviation. The VARDEF option on the Proc Tabulate statement indicates which divisor to use.
Second is if your survey design involved any form of sampling other than a simple random sample then the weights aren't quite applied correctly and should use one of the Survey procedures to generate confidence limits.
And since you didn't include a weight statement at all your results cannot be applied to the population only the respondent pool unless your data is an actual census of the population of interest.
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