Demographic characteristics of sample (participants).
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Note:For Income: 1 = Under $10,000, 2 = $10,000 to $20,000, 3 = $21,000 to $40,000, 4 = $41000 to $60,000, 5 = $61,000 to $100,000, 6 = Over $100,000.For Education: 1 = Less than high school, 2 = High school/GED, 3 = Some college, 4 = Technical school degree, 5 = Associate degree (2 year college), 6 = Bachelor's degree, 7 = Master's degree, 8 = Professional doctoral degree or equivalent.
创建时间：
2015-12-02
