<80gm/day
>=80gm/day
control
case
0-9 gm/day
10-19 gm/day
20-29 gm/day
30+ gm/day
0-39 gm/day
40-79 gm/day
80-119 gm/day
120+ gm/day
25-34 years old
35-44 years old
45-54 years old
55-64 years old
65-74 years old
75+ years old