Sleep Module
| Questions and Risk Factors |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 | 2008 |
| Q1: During the past 30 days, for about how many days have you felt you did not get enought rest or sleep? |
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2008-Q1 | |||
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| R1: At risk for : Respondents who report |
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