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FAQs
- Which studies are ongoing and which have ended?
- Where do I go for treatment help?
- What resources are available through SAMHDA?
- How often does SAMHDA release new data files for download? Can I be notified?
- How much do SAMHDA data sets cost?
- How do I contact someone at SAMHDA for assistance?
- How does SAMHDA prepare public-use data files for release?
- What is SAMHDA?
- Where can I find indicators at the state level of those who served in the military?
- How do I access NSDUH data at the level of Hispanic ethnicity?
- Where can I find the older NSDUH reports?
- Where can I find statistics on substance use, substance use disorders, mental health, and treatment?
- Where are the reports for TEDS and N-SSATS data?
- What percentage of people with past year substance use disorders received treatment in the past year? Do you have any yearly report on this?
- When will the 2016-2017 NSDUH State Estimates be available?
- When will the 2017 NSDUH public release dataset be available?
- Does TEDS-A and TEDS-D data include state-level data?
- I need state estimates for substance use and mental illness. Where can I find that?
- Why are there fewer outcomes for the 2014-2015 state estimates than for previous publications of state estimates?
- Where can I locate reports and detailed tables for NSDUH data?
- Can researchers in countries other than the U.S. access SAMHDA data?
- What happened to my SAMHDA account from www.icpsr.umich.edu?
- How do I obtain information from DATA 2000?
- How do I access data?
- What are the differences between the public-use data and restricted-use data for NSDUH?
- How can data be accessed on the SAMHDA site?
- Is there data available for substate areas, cities, or counties?
- When will a study be released?
- How do I access studies and series?
- What are the consequences of violating the Terms of Use agreement for data distributed by SAMHDA?
- What are the differences between PDAS and RDAS?
- What are SAMHDA's Terms of Use?
- How do I get permission to use the public-use data archived at SAMHDA?
- Where can I find more information about NSDUH reports?
- How do I find a codebook?
- Why can't I print my PDF codebook?
- Where do I get information about the names and meanings of variables?
- What kind of documentation files do you provide?
- What is a codebook?
- A data collection instrument is included in the documentation for a study. Can I use this instrument for my project?
- What kind of data formats does SAMHDA distribute? Do you have SPSS portable files? SAS transport? Stata?
- What is a SAS TRANSPORT file? How do I use it?
- I receive a "file not found" error when trying to use a setup file. What is wrong?
- I downloaded data from your site, but my statistics application issues an error message that the file cannot be found.
- I'm using SPSS on a Mac. I can't read ASCII data files using the SPSS setup file I downloaded. What do I do?
- How do I use Excel to import tab-delimited data?
- How do I read data into R?
- How do I interpret a record from an ASCII data file?