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MAMLIFFREQ
Lifetime frequency of mammograms

Codes and Frequencies



An 'X' indicates the category is available for that sample

00NIUXX
011XX
022XX
033XX
044XX
055XX
066XX
077XX
088XX
099XX
1010XX
1111XX
1212XX
1313XX
1414XX
1515XX
1616XX
1717XX
1818XX
1919·X
2020XX
2121X·
2222·X
2323XX
2424·X
2525XX
2626··
2727··
2828··
2929··
3030X·
3131··
3232··
3333··
3434··
3535X·
3636··
3737X·
3838··
3939··
4040X·
4141··
4242··
4343··
4444··
4545··
4646··
4747··
4848··
4949··
5050··
5151··
5252··
5353··
5454X·
5555··
5656··
5757··
5858··
5959··
6060X·
6161··
6262··
6363··
6464··
6565··
6666··
6767··
6868··
6969··
7070··
7171··
7272··
7373··
7474··
7575··
7676··
7777··
7878··
7979··
8080··
8181··
8282··
8383··
8484··
8585··
8686··
8787··
8888··
8989··
9090··
9191··
9292··
9393··
9494··
9595+··
97Unknown-refused·X
98Unknown-not ascertainedXX
99Unknown-don't knowXX