"exposure" "age" "vital.capacity" "z1" "z2"
"C" 39 4.62 0 1
"C" 40 5.29 0 1
"C" 41 5.52 0 1
"C" 41 3.71 0 1
"C" 45 4.02 0 1
"C" 49 5.09 0 1
"C" 52 2.7 0 1
"C" 47 4.31 0 1
"C" 61 2.7 0 1
"C" 65 3.03 0 1
"C" 58 2.73 0 1
"C" 59 3.67 0 1
"B" 29 5.21 1 0
"B" 29 5.17 1 0
"B" 33 4.88 1 0
"B" 32 4.5 1 0
"B" 31 4.47 1 0
"B" 29 5.12 1 0
"B" 29 4.51 1 0
"B" 30 4.85 1 0
"B" 21 5.22 1 0
"B" 28 4.62 1 0
"B" 23 5.07 1 0
"B" 35 3.64 1 0
"B" 38 3.64 1 0
"B" 38 5.09 1 0
"B" 43 4.61 1 0
"B" 39 4.73 1 0
"B" 38 4.58 1 0
"B" 42 5.12 1 0
"B" 43 3.89 1 0
"B" 43 4.62 1 0
"B" 37 4.3 1 0
"B" 50 2.7 1 0
"B" 50 3.5 1 0
"B" 45 5.06 1 0
"B" 48 4.06 1 0
"B" 51 4.51 1 0
"B" 46 4.66 1 0
"B" 58 2.88 1 0
"A" 27 5.29 0 0
"A" 25 3.67 0 0
"A" 24 5.82 0 0
"A" 32 4.77 0 0
"A" 23 5.71 0 0
"A" 25 4.47 0 0
"A" 32 4.55 0 0
"A" 18 4.61 0 0
"A" 19 5.86 0 0
"A" 26 5.2 0 0
"A" 33 4.44 0 0
"A" 27 5.52 0 0
"A" 33 4.97 0 0
"A" 25 4.99 0 0
"A" 42 4.89 0 0
"A" 35 4.09 0 0
"A" 35 4.24 0 0
"A" 41 3.88 0 0
"A" 38 4.85 0 0
"A" 41 4.79 0 0
"A" 36 4.36 0 0
"A" 36 4.02 0 0
"A" 41 3.77 0 0
"A" 41 4.22 0 0
"A" 37 4.94 0 0
"A" 42 4.04 0 0
"A" 39 4.51 0 0
"A" 41 4.06 0 0
"A" 43 4.02 0 0
"A" 41 4.99 0 0
"A" 48 3.86 0 0
"A" 47 4.68 0 0
"A" 53 4.74 0 0
"A" 49 3.76 0 0
"A" 54 3.98 0 0
"A" 48 5 0 0
"A" 49 3.31 0 0
"A" 47 3.11 0 0
"A" 52 4.76 0 0
"A" 58 3.95 0 0
"A" 62 4.6 0 0
"A" 65 4.83 0 0
"A" 62 3.18 0 0
"A" 59 3.03 0 0