The SAS System 1 14:41 Friday, March 7, 1997 Forward Selection Procedure for Dependent Variable RISK Step 1 Variable CULTURE Entered R-square = 0.31265864 C(p) = 47.47794976 DF Sum of Squares Mean Square F Prob>F Regression 1 62.96314170 62.96314170 50.49 0.0001 Error 111 138.41668131 1.24699713 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP 3.19789965 0.19376813 339.64905575 272.37 0.0001 CULTURE 0.07325862 0.01030975 62.96314170 50.49 0.0001 Bounds on condition number: 1, 1 -------------------------------------------------------------------------------- Step 2 Variable STAY Entered R-square = 0.45040256 C(p) = 18.11960703 DF Sum of Squares Mean Square F Prob>F Regression 2 90.70198757 45.35099379 45.07 0.0001 Error 110 110.67783543 1.00616214 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP 0.80549102 0.48775579 2.74400250 2.73 0.1015 CULTURE 0.05645147 0.00979843 33.39687778 33.19 0.0001 STAY 0.27547211 0.05246473 27.73884588 27.57 0.0001 Bounds on condition number: 1.119473, 4.477891 -------------------------------------------------------------------------------- Step 3 Variable FACIL Entered R-square = 0.49340010 C(p) = 10.33092385 DF Sum of Squares Mean Square F Prob>F Regression 3 99.36082444 33.12027481 35.39 0.0001 Error 109 102.01899857 0.93595412 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP 0.49133226 0.48163614 0.97401801 1.04 0.3099 CULTURE 0.05419997 0.00947933 30.59827862 32.69 0.0001 STAY 0.22390748 0.05336561 16.47664606 17.60 0.0001 FACIL 0.01963027 0.00645392 8.65883687 9.25 0.0029 Bounds on condition number: 1.245131, 10.56958 -------------------------------------------------------------------------------- The SAS System 2 14:41 Friday, March 7, 1997 Step 4 Variable NRATIO Entered R-square = 0.52547952 C(p) = 5.02782551 DF Sum of Squares Mean Square F Prob>F Regression 4 105.82097194 26.45524298 29.90 0.0001 Error 108 95.55885107 0.88480418 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP -0.49505513 0.59376426 0.61507231 0.70 0.4063 CULTURE 0.04818092 0.00948204 22.84513509 25.82 0.0001 STAY 0.26758404 0.05434637 21.44995791 24.24 0.0001 NRATIO 0.79262357 0.29333869 6.46014750 7.30 0.0080 FACIL 0.01747585 0.00632554 6.75349077 7.63 0.0067 Bounds on condition number: 1.365968, 19.41852 -------------------------------------------------------------------------------- Step 5 Variable CHEST Entered R-square = 0.53792463 C(p) = 4.19461013 DF Sum of Squares Mean Square F Prob>F Regression 5 108.32716704 21.66543341 24.91 0.0001 Error 107 93.05265597 0.86965099 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP -0.76804342 0.61022741 1.37763165 1.58 0.2109 CULTURE 0.04318856 0.00984976 16.71979631 19.23 0.0001 STAY 0.23392650 0.05741114 14.43814950 16.60 0.0001 NRATIO 0.67240318 0.29931440 4.38883521 5.05 0.0267 CHEST 0.00917860 0.00540681 2.50619510 2.88 0.0925 FACIL 0.01843860 0.00629673 7.45710068 8.57 0.0042 Bounds on condition number: 1.550936, 33.22156 -------------------------------------------------------------------------------- Step 6 Variable CENSUS Entered R-square = 0.54146833 C(p) = 5.38786192 DF Sum of Squares Mean Square F Prob>F Regression 6 109.04079737 18.17346623 20.86 0.0001 Error 106 92.33902564 0.87112288 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP -0.60982957 0.63526660 0.80275743 0.92 0.3393 CULTURE 0.04327612 0.00985857 16.78604192 19.27 0.0001 STAY 0.21806849 0.06007156 11.47961755 13.18 0.0004 NRATIO 0.74253899 0.30942748 5.01649265 5.76 0.0182 CHEST 0.00967176 0.00543875 2.75481205 3.16 0.0782 The SAS System 3 14:41 Friday, March 7, 1997 CENSUS 0.00092337 0.00102018 0.71363033 0.82 0.3675 FACIL 0.01171496 0.00974167 1.25977812 1.45 0.2318 Bounds on condition number: 3.16358, 70.11464 -------------------------------------------------------------------------------- No other variable met the 0.5000 significance level for entry into the model. Summary of Forward Selection Procedure for Dependent Variable RISK Variable Number Partial Model Step Entered In R**2 R**2 C(p) F Prob>F 1 CULTURE 1 0.3127 0.3127 47.4779 50.4918 0.0001 2 STAY 2 0.1377 0.4504 18.1196 27.5690 0.0001 3 FACIL 3 0.0430 0.4934 10.3309 9.2513 0.0029 4 NRATIO 4 0.0321 0.5255 5.0278 7.3012 0.0080 5 CHEST 5 0.0124 0.5379 4.1946 2.8818 0.0925 6 CENSUS 6 0.0035 0.5415 5.3879 0.8192 0.3675 The SAS System 4 14:41 Friday, March 7, 1997 OBS STAY AGE RISK CULTURE CHEST BEDS SCHOOL REGION CENSUS NURSES FACIL 1 7.13 55.7 4.1 9.0 39.6 279 2 4 207 241 60.0 2 8.82 58.2 1.6 3.8 51.7 80 2 2 51 52 40.0 3 8.34 56.9 2.7 8.1 74.0 107 2 3 82 54 20.0 4 8.95 53.7 5.6 18.9 122.8 147 2 4 53 148 40.0 5 11.20 56.5 5.7 34.5 88.9 180 2 1 134 151 40.0 6 9.76 50.9 5.1 21.9 97.0 150 2 2 147 106 40.0 7 9.68 57.8 4.6 16.7 79.0 186 2 3 151 129 40.0 8 11.18 45.7 5.4 60.5 85.8 640 1 2 399 360 60.0 9 8.67 48.2 4.3 24.4 90.8 182 2 3 130 118 40.0 10 8.84 56.3 6.3 29.6 82.6 85 2 1 59 66 40.0 11 11.07 53.2 4.9 28.5 122.0 768 1 1 591 656 80.0 12 8.30 57.2 4.3 6.8 83.8 167 2 3 105 59 40.0 13 12.78 56.8 7.7 46.0 116.9 322 1 1 252 349 57.1 14 7.58 56.7 3.7 20.8 88.0 97 2 2 59 79 37.1 15 9.00 56.3 4.2 14.6 76.4 72 2 3 61 38 17.1 16 11.08 50.2 5.5 18.6 63.6 387 2 3 326 405 57.1 17 8.28 48.1 4.5 26.0 101.8 108 2 4 84 73 37.1 18 11.62 53.9 6.4 25.5 99.2 133 2 1 113 101 37.1 19 9.06 52.8 4.2 6.9 75.9 134 2 2 103 125 37.1 20 9.35 53.8 4.1 15.9 80.9 833 2 3 547 519 77.1 21 7.53 42.0 4.2 23.1 98.9 95 2 4 47 49 17.1 22 10.24 49.0 4.8 36.3 112.6 195 2 2 163 170 37.1 23 9.78 52.3 5.0 17.6 95.9 270 1 1 240 198 57.1 24 9.84 62.2 4.8 12.0 82.3 600 2 3 468 497 57.1 25 9.20 52.2 4.0 17.5 71.1 298 1 4 244 236 57.1 26 8.28 49.5 3.9 12.0 113.1 546 1 2 413 436 57.1 OBS NRATIO FITTED RESID COOKD HAT PRESS EXTST DFFITS 1 1.16425 3.47602 0.62398 0.00677 0.08816 0.68430 0.69842 0.21716 2 1.01961 3.25080 -1.65080 0.02703 0.05412 -1.74526 -1.83892 -0.43987 3 0.65854 3.07411 -0.37411 0.00103 0.04116 -0.39017 -0.40773 -0.08448 4 2.79245 5.93854 -0.33854 0.01447 0.33771 -0.51116 -0.44401 -0.31705 5 1.12687 5.61445 0.08555 0.00007 0.05102 0.09014 0.09365 0.02171 6 0.72109 4.54420 0.55580 0.00148 0.02768 0.57163 0.60210 0.10159 7 0.85430 4.23023 0.36977 0.00026 0.01127 0.37398 0.39684 0.04236 8 0.90226 7.01750 -1.61750 0.15566 0.22046 -2.07495 -1.99007 -1.05832 9 0.90769 4.47759 -0.17759 0.00014 0.02649 -0.18242 -0.19197 -0.03166 10 1.11864 4.75147 1.54853 0.01800 0.04200 1.61642 1.71043 0.35814 11 1.10998 6.52463 -1.62463 0.06910 0.12283 -1.85213 -1.88065 -0.70376 12 0.56190 3.28770 1.01230 0.00874 0.04723 1.06248 1.11240 0.24768 13 1.38492 7.22839 0.47161 0.00477 0.10488 0.52687 0.53227 0.18220 14 1.33898 4.27774 -0.57774 0.00201 0.03418 -0.59818 -0.62806 -0.11814 15 0.62295 3.44276 0.75724 0.00475 0.04597 0.79373 0.82942 0.18206 16 1.24233 5.11885 0.38115 0.00141 0.05302 0.40249 0.41801 0.09891 17 0.86905 4.46303 0.03697 0.00001 0.04869 0.03886 0.04042 0.00914 18 0.89381 5.18976 1.21024 0.00886 0.03438 1.25333 1.32424 0.24987 19 1.21359 3.82943 0.37057 0.00063 0.02645 0.38064 0.40079 0.06607 20 0.94881 5.01248 -0.91248 0.01285 0.07972 -0.99153 -1.01931 -0.30000 21 1.04255 4.00630 0.19370 0.00052 0.07314 0.20898 0.21459 0.06028 22 1.04294 5.64272 -0.84272 0.00789 0.05987 -0.89638 -0.93062 -0.23484 23 0.82500 4.71519 0.28481 0.00046 0.03226 0.29431 0.30887 0.05640 24 1.06197 4.74087 0.05913 0.00004 0.05937 0.06286 0.06501 0.01633 25 0.96721 4.45381 -0.45381 0.00089 0.02510 -0.46550 -0.49068 -0.07874 26 1.05569 4.64313 -0.74313 0.01286 0.11195 -0.83681 -0.84376 -0.29958 The SAS System 5 14:41 Friday, March 7, 1997 OBS STAY AGE RISK CULTURE CHEST BEDS SCHOOL REGION CENSUS NURSES FACIL 27 9.31 47.2 4.5 30.2 101.3 170 2 1 124 173 37.1 28 8.19 52.1 3.2 10.8 59.2 176 2 1 156 88 37.1 29 11.65 54.5 4.4 18.6 96.1 248 2 1 217 189 37.1 30 9.89 50.5 4.9 17.7 103.6 167 2 2 113 106 37.1 31 11.03 49.9 5.0 19.7 102.1 318 2 1 270 335 57.1 32 9.84 53.0 5.2 17.7 72.6 210 2 2 200 239 54.3 33 11.77 54.1 5.3 17.3 56.0 196 2 1 164 165 34.3 34 13.59 54.0 6.1 24.2 111.7 312 2 1 258 169 54.3 35 9.74 54.4 6.3 11.4 76.1 221 2 2 170 172 54.3 36 10.33 55.8 5.0 21.2 104.3 266 2 1 181 149 54.3 37 9.97 58.2 2.8 16.5 76.5 90 2 2 69 42 34.3 38 7.84 49.1 4.6 7.1 87.9 60 2 3 50 45 34.3 39 10.47 53.2 4.1 5.7 69.1 196 2 2 168 153 54.3 40 8.16 60.9 1.3 1.9 58.0 73 2 3 49 21 14.3 41 8.48 51.1 3.7 12.1 92.8 166 2 3 145 118 34.3 42 10.72 53.8 4.7 23.2 94.1 113 2 3 90 107 34.3 43 11.20 45.0 3.0 7.0 78.9 130 2 3 95 56 34.3 44 10.12 51.7 5.6 14.9 79.1 362 1 3 313 264 54.3 45 8.37 50.7 5.5 15.1 84.8 115 2 2 96 88 34.3 46 10.16 54.2 4.6 8.4 51.5 831 1 4 581 629 74.3 47 19.56 59.9 6.5 17.2 113.7 306 2 1 273 172 51.4 48 10.90 57.2 5.5 10.6 71.9 593 2 2 446 211 51.4 49 7.67 51.7 1.8 2.5 40.4 106 2 3 93 35 11.4 50 8.88 51.5 4.2 10.1 86.9 305 2 3 238 197 51.4 51 11.48 57.6 5.6 20.3 82.0 252 2 1 207 251 51.4 52 9.23 51.6 4.3 11.6 42.6 620 2 2 413 420 71.4 OBS NRATIO FITTED RESID COOKD HAT PRESS EXTST DFFITS 27 1.39516 5.29216 -0.79216 0.005190 0.04591 -0.83028 -0.86791 -0.19038 28 0.56410 3.21364 -0.01364 0.000001 0.03464 -0.01413 -0.01480 -0.00280 29 0.87097 4.94678 -0.54678 0.001435 0.02766 -0.56234 -0.59229 -0.09990 30 0.93805 4.55036 0.34964 0.000529 0.02510 0.35865 0.37787 0.06063 31 1.24074 5.47502 -0.47502 0.001221 0.03099 -0.49022 -0.51523 -0.09215 32 1.19500 4.71225 0.48775 0.001174 0.02841 0.50201 0.52836 0.09034 33 1.00610 4.54745 0.75255 0.008337 0.07655 0.81493 0.83787 0.24123 34 0.65504 5.84208 0.25792 0.000851 0.06780 0.27668 0.28497 0.07685 35 1.01176 4.28790 2.01210 0.021207 0.03005 2.07444 2.22958 0.39244 36 0.82320 4.98355 0.01645 0.000002 0.04311 0.01719 0.01793 0.00381 37 0.60870 3.93577 -1.13577 0.007429 0.03285 -1.17435 -1.24053 -0.22863 38 0.90000 3.37351 1.22649 0.008793 0.03331 1.26875 1.34157 0.24903 39 0.91071 4.05583 0.04417 0.000018 0.05034 0.04651 0.04833 0.01113 40 0.42857 2.34380 -1.04380 0.014763 0.07127 -1.12390 -1.16238 -0.32200 41 0.81379 3.80056 -0.10056 0.000050 0.02849 -0.10350 -0.10880 -0.01863 42 1.18889 5.00971 -0.30971 0.000492 0.02949 -0.31912 -0.33542 -0.05847 43 0.58947 3.82582 -0.82582 0.005692 0.04629 -0.86591 -0.90525 -0.19944 44 0.84345 4.55831 1.04169 0.002913 0.01586 1.05848 1.12648 0.14299 45 0.91667 3.86017 1.63983 0.007781 0.01705 1.66828 1.79047 0.23580 46 1.08262 4.67814 -0.07814 0.000138 0.10901 -0.08770 -0.08828 -0.03088 47 0.63004 6.82167 -0.32167 0.011747 0.32006 -0.47309 -0.41633 -0.28564 48 0.47309 4.28651 1.21349 0.014972 0.05533 1.28457 1.34275 0.32495 49 0.37634 2.06056 -0.26056 0.001519 0.10847 -0.29226 -0.29439 -0.10268 50 0.82773 4.04072 0.15928 0.000113 0.02573 0.16349 0.17211 0.02797 51 1.21256 5.25885 0.34115 0.000712 0.03474 0.35343 0.37052 0.07029 52 1.01695 4.28989 0.01011 0.000002 0.08695 0.01108 0.01129 0.00348 The SAS System 6 14:41 Friday, March 7, 1997 OBS STAY AGE RISK CULTURE CHEST BEDS SCHOOL REGION CENSUS NURSES FACIL 53 11.41 61.1 7.6 16.6 97.9 535 2 3 330 273 51.4 54 12.07 43.7 7.8 52.4 105.3 157 2 2 115 76 31.4 55 8.63 54.0 3.1 8.4 56.2 76 2 1 39 44 31.4 56 11.15 56.5 3.9 7.7 73.9 281 2 1 217 199 51.4 57 7.14 59.0 3.7 2.6 75.8 70 2 4 37 35 31.4 58 7.65 47.1 4.3 16.4 65.7 318 2 4 265 314 51.4 59 10.73 50.6 3.9 19.3 101.0 445 1 2 374 345 51.4 60 11.46 56.9 4.5 15.6 97.7 191 2 3 153 132 31.4 61 10.42 58.0 3.4 8.0 59.0 119 2 1 67 64 31.4 62 11.18 51.0 5.7 18.8 55.9 595 1 2 546 392 68.6 63 7.93 64.1 5.4 7.5 98.1 68 2 4 42 49 28.6 64 9.66 52.1 4.4 9.9 98.3 83 2 2 66 95 28.6 65 7.78 45.5 5.0 20.9 71.6 489 2 3 391 329 48.6 66 9.42 50.6 4.3 24.8 62.8 508 2 1 421 528 48.6 67 10.02 49.5 4.4 8.3 93.0 265 2 2 191 202 48.6 68 8.58 55.0 3.7 7.4 95.9 304 2 3 248 218 48.6 69 9.61 52.4 4.5 6.9 87.2 487 2 3 404 220 48.6 70 8.03 54.2 3.5 24.3 87.3 97 2 1 65 55 28.6 71 7.39 51.0 4.2 14.6 88.4 72 2 2 38 67 28.6 72 7.08 52.0 2.0 12.3 56.4 87 2 3 52 57 28.6 73 9.53 51.5 5.2 15.0 65.7 298 2 3 241 193 48.6 74 10.05 52.0 4.5 36.7 87.5 184 1 1 144 151 68.6 75 8.45 38.8 3.4 12.9 85.0 235 2 2 143 124 48.6 76 6.70 48.6 4.5 13.0 80.8 76 2 4 51 79 28.6 77 8.90 49.7 2.9 12.7 86.9 52 2 1 37 35 28.6 78 10.23 53.2 4.9 9.9 77.9 752 1 2 595 446 68.6 OBS NRATIO FITTED RESID COOKD HAT PRESS EXTST DFFITS 53 0.82727 5.06472 2.53528 0.027968 0.02521 2.60085 2.84158 0.45699 54 0.66087 6.27312 1.52688 0.088955 0.16300 1.82423 1.80715 0.79749 55 1.12821 3.42077 -0.32077 0.000730 0.03986 -0.33409 -0.34929 -0.07116 56 0.91705 4.35307 -0.45307 0.001252 0.03467 -0.46934 -0.49230 -0.09330 57 0.94595 2.89723 0.80277 0.004128 0.03628 0.83299 0.87517 0.16980 58 1.18491 4.13024 0.16976 0.000190 0.03726 0.17633 0.18453 0.03630 59 0.92246 5.17457 -1.27457 0.010179 0.03554 -1.32154 -1.39676 -0.26813 60 0.86275 4.65902 -0.15902 0.000149 0.03365 -0.16456 -0.17252 -0.03220 61 0.95522 3.71829 -0.31829 0.000912 0.04956 -0.33489 -0.34835 -0.07955 62 0.71795 5.02333 0.67667 0.007090 0.07993 0.73545 0.75430 0.22232 63 1.16667 3.63295 1.76705 0.025331 0.04511 1.85052 1.96337 0.42672 64 1.43939 4.34068 0.05932 0.000038 0.05844 0.06301 0.06520 0.01624 65 0.84143 4.23889 0.76111 0.008192 0.07395 0.82189 0.84627 0.23914 66 1.25416 5.01435 -0.71435 0.010032 0.09762 -0.79163 -0.80437 -0.26456 67 1.05759 4.36490 0.03510 0.000006 0.02678 0.03607 0.03795 0.00629 68 0.87903 3.96002 -0.26002 0.000501 0.04150 -0.27128 -0.28332 -0.05896 69 0.54455 3.97453 0.52547 0.003346 0.06464 0.56178 0.58030 0.15256 70 0.84615 4.06058 -0.56058 0.002199 0.03938 -0.58357 -0.61099 -0.12371 71 1.76316 4.16786 0.03214 0.000017 0.08237 0.03502 0.03578 0.01072 72 1.09615 3.20888 -1.20888 0.009895 0.03819 -1.25688 -1.32539 -0.26412 73 0.80083 4.13947 1.06053 0.003527 0.01843 1.08044 1.14862 0.15737 74 1.04861 5.73152 -1.23152 0.044180 0.13340 -1.42109 -1.42426 -0.55880 75 0.86713 3.95848 -0.55848 0.001528 0.02820 -0.57469 -0.60517 -0.10310 76 1.54902 3.72764 0.77236 0.006788 0.06116 0.82267 0.85295 0.21770 77 0.94595 3.79268 -0.89268 0.002837 0.02082 -0.91165 -0.96624 -0.14088 78 0.74958 4.71252 0.18748 0.000613 0.08840 0.20566 0.20944 0.06522 The SAS System 7 14:41 Friday, March 7, 1997 OBS STAY AGE RISK CULTURE CHEST BEDS SCHOOL REGION CENSUS NURSES FACIL 79 8.88 55.8 4.4 14.1 76.8 237 2 2 165 182 48.6 80 10.30 59.6 5.1 27.8 88.9 175 2 2 113 73 45.7 81 10.79 44.2 2.9 2.6 56.6 461 1 2 320 196 65.7 82 7.94 49.5 3.5 6.2 92.3 195 2 2 139 116 45.7 83 7.63 52.1 5.5 11.6 61.1 197 2 4 109 110 45.7 84 8.77 54.5 4.7 5.2 47.0 143 2 4 85 87 25.7 85 8.09 56.9 1.7 7.6 56.9 92 2 3 61 61 45.7 86 9.05 51.2 4.1 20.5 79.8 195 2 3 127 112 45.7 87 7.91 52.8 2.9 11.9 79.5 477 2 3 349 188 65.7 88 10.39 54.6 4.3 14.0 88.3 353 2 2 223 200 65.7 89 9.36 54.1 4.8 18.3 90.6 165 2 1 127 158 45.7 90 11.41 50.4 5.8 23.8 73.0 424 1 3 359 335 45.7 91 8.86 51.3 2.9 9.5 87.5 100 2 3 65 53 25.7 92 8.93 56.0 2.0 6.2 72.5 95 2 3 59 56 25.7 93 8.92 53.9 1.3 2.2 79.5 56 2 2 40 14 5.7 94 8.15 54.9 5.3 12.3 79.8 99 2 4 55 71 25.7 95 9.77 50.2 5.3 15.7 89.7 154 2 2 123 148 25.7 96 8.54 56.1 2.5 27.0 82.5 98 2 1 57 75 45.7 97 8.66 52.8 3.8 6.8 69.5 246 2 3 178 177 45.7 98 12.01 52.8 4.8 10.8 96.9 298 2 1 237 115 45.7 99 7.95 51.8 2.3 4.6 54.9 163 2 3 128 93 42.9 100 10.15 51.9 6.2 16.4 59.2 568 1 3 452 371 62.9 101 9.76 53.2 2.6 6.9 80.1 64 2 4 47 55 22.9 102 9.89 45.2 4.3 11.8 108.7 190 2 1 141 112 42.9 103 7.14 57.6 2.7 13.1 92.6 92 2 4 40 50 22.9 104 13.95 65.9 6.6 15.6 133.5 356 2 1 308 182 62.9 OBS NRATIO FITTED RESID COOKD HAT PRESS EXTST DFFITS 79 1.10303 4.22035 0.17965 0.00009 0.01658 0.18268 0.19321 0.02509 80 0.64602 4.81858 0.28142 0.00077 0.05345 0.29731 0.30859 0.07333 81 0.61250 3.92302 -1.02302 0.01572 0.07787 -1.10942 -1.14308 -0.33218 82 0.83453 3.56604 -0.06604 0.00004 0.04682 -0.06929 -0.07214 -0.01599 83 1.00917 3.53235 1.96765 0.02220 0.03272 2.03420 2.18120 0.40114 84 1.02353 3.12181 1.57819 0.02631 0.05725 1.67402 1.75859 0.43335 85 1.00000 3.36780 -1.66780 0.02452 0.04865 -1.75308 -1.85295 -0.41900 86 0.88189 4.33014 -0.23014 0.00021 0.02282 -0.23551 -0.24833 -0.03795 87 0.53868 3.89090 -0.99090 0.01638 0.08513 -1.08311 -1.11120 -0.33897 88 0.89686 4.75732 -0.45732 0.00225 0.05828 -0.48562 -0.50314 -0.12516 89 1.24409 4.67594 0.12406 0.00005 0.02043 0.12665 0.13368 0.01931 90 0.93315 5.17410 0.62590 0.00330 0.04670 0.65656 0.68511 0.15164 91 0.81538 3.54621 -0.64621 0.00202 0.02790 -0.66475 -0.70054 -0.11868 92 0.94915 3.36737 -1.36737 0.00875 0.02701 -1.40533 -1.49383 -0.24888 93 0.35000 2.56305 -1.26305 0.03551 0.10800 -1.41597 -1.44008 -0.50108 94 1.29091 3.78194 1.51806 0.01414 0.03484 1.57286 1.66948 0.31721 95 1.20325 4.37580 0.92420 0.00609 0.04008 0.96278 1.01077 0.20653 96 1.31579 4.78388 -2.28388 0.04494 0.04765 -2.39816 -2.57309 -0.57557 97 0.99438 3.68321 0.11679 0.00004 0.01916 0.11907 0.12576 0.01758 98 0.48523 4.52826 0.27174 0.00067 0.05010 0.28607 0.29744 0.06831 99 0.72656 3.01413 -0.71413 0.00347 0.03834 -0.74260 -0.77879 -0.15550 100 0.82080 4.64957 1.55043 0.02207 0.05049 1.63287 1.72044 0.39671 101 1.17021 3.77243 -1.17243 0.01141 0.04605 -1.22903 -1.29015 -0.28345 102 0.79433 4.33143 -0.03143 0.00001 0.04610 -0.03295 -0.03432 -0.00754 103 1.25000 3.64308 -0.94308 0.00836 0.05154 -0.99433 -1.03791 -0.24195 104 0.59091 5.85855 0.74145 0.01708 0.14007 0.86222 0.85558 0.34530 The SAS System 8 14:41 Friday, March 7, 1997 OBS STAY AGE RISK CULTURE CHEST BEDS SCHOOL REGION CENSUS NURSES FACIL 105 9.44 52.5 4.5 10.9 58.5 297 2 3 230 263 42.9 106 10.80 63.9 2.9 1.6 57.4 130 2 3 69 62 22.9 107 7.14 51.7 1.4 4.1 45.7 115 2 3 90 19 22.9 108 8.02 55.0 2.1 3.8 46.5 91 2 2 44 32 22.9 109 11.80 53.8 5.7 9.1 116.9 571 1 2 441 469 62.9 110 9.50 49.3 5.8 42.0 70.9 98 2 3 68 46 22.9 111 7.70 56.9 4.4 12.2 67.9 129 2 4 85 136 62.9 112 17.94 56.2 5.9 26.4 91.8 835 1 1 791 407 62.9 113 9.41 59.5 3.1 20.6 91.7 29 2 3 20 22 22.9 OBS NRATIO FITTED RESID COOKD HAT PRESS EXTST DFFITS 105 1.14348 4.05027 0.44973 0.00124 0.03483 0.46596 0.48871 0.09284 106 0.89855 3.36890 -0.46890 0.00330 0.07774 -0.50843 -0.52134 -0.15136 107 0.21111 2.07474 -0.67474 0.00856 0.09409 -0.74483 -0.75803 -0.24430 108 0.72727 2.60219 -0.50219 0.00237 0.05162 -0.52953 -0.55069 -0.12848 109 1.06349 5.42158 0.27842 0.00138 0.09006 0.30598 0.31138 0.09796 110 0.67647 4.79851 1.00149 0.02951 0.13442 1.15701 1.15514 0.45520 111 1.60000 4.25740 0.14260 0.00048 0.11316 0.16080 0.16149 0.05769 112 0.51454 7.18200 -1.28200 0.15456 0.28949 -1.80433 -1.64253 -1.04844 113 1.10000 4.32412 -1.22412 0.00858 0.03268 -1.26548 -1.33849 -0.24604