• 36-item Short Form Health Survey (SF-36) - Times downhearted blue score
• 36-item Short Form Health Survey (SF-36) - Bodily pain score
• 36-item Short Form Health Survey (SF-36) - Health limited walking several blocks score
• 36-item Short Form Health Survey (SF-36) - Times nervous score
• 36-item Short Form Health Survey (SF-36) - Health limited bending kneeling stooping score
• 36-item Short Form Health Survey (SF-36) - Work not carefully emotional problems indicator
• 36-item Short Form Health Survey (SF-36) - Times down score
• 36-item Short Form Health Survey (SF-36) - Times energy score
• 36-item Short Form Health Survey (SF-36) - Health limited carrying groceries score
• 36-item Short Form Health Survey (SF-36) - Health limited climbing one stair score
• Caregiver primary type
• Household member total count
• Tobacco smoked 100 cigarettes indicator
• Site name
• Visit date
• Data source other text
• Employment other text
• Case Control Indicator
• GUID
• Education level USA type