1 = male
2 = female

1 = None
2 = Col/Grad
3 = hischool
4 = midschool
5 = elemschool
6 = comp/internet
7 = journalism
8 = govoff
9 = army
10 = service
11 = edu
12 = fin/ins
13 = logistics
14 = art
15 = medical
16 = legal
17 = const
18 = manuf
19 = realty
20 = trans
21 = first
22 = household
23 = etc

1 = Less than 6 month
2 = 6-12 month
3 = 12-18 month
4 = 18-24 month
5 = over 24 month

1 = Friends/Fam
2 = News/Ads
3 = Colleagues
4 = ByChance
5 = CelebrityUse
6 = etc