The SAS System 1 14:43 Friday, March 7, 1997 Backward Elimination Procedure for Dependent Variable RISK Step 0 All Variables Entered R-square = 0.54317205 C(p) = 9.00000000 DF Sum of Squares Mean Square F Prob>F Regression 8 109.38389081 13.67298635 15.46 0.0001 Error 104 91.99593220 0.88457627 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP -0.61544324 0.66644759 0.75436112 0.85 0.3579 CULTURE 0.04410334 0.01004539 17.05081019 19.28 0.0001 STAY 0.20541554 0.06405141 9.09797087 10.29 0.0018 NURSES -0.00087592 0.00216138 0.14527948 0.16 0.6861 NRATIO 0.85012850 0.39334446 4.13198139 4.67 0.0330 CHEST 0.00946882 0.00549665 2.62501031 2.97 0.0879 BEDS -0.00106503 0.00265225 0.14263677 0.16 0.6888 CENSUS 0.00295314 0.00357645 0.60311345 0.68 0.4109 FACIL 0.01312502 0.01010817 1.49138778 1.69 0.1970 Bounds on condition number: 38.28884, 740.545 -------------------------------------------------------------------------------- Step 1 Variable BEDS Removed R-square = 0.54246375 C(p) = 7.16124870 DF Sum of Squares Mean Square F Prob>F Regression 7 109.24125404 15.60589343 17.78 0.0001 Error 105 92.13856897 0.87751018 Total 112 201.37982301 Parameter Standard Type II Variable Estimate Error Sum of Squares F Prob>F INTERCEP -0.66993458 0.64987468 0.93251908 1.06 0.3050 CULTURE 0.04396605 0.00999939 16.96447009 19.33 0.0001 STAY 0.21222554 0.06151830 10.44332482 11.90 0.0008 NURSES -0.00101551 0.00212470 0.20045667 0.23 0.6337 NRATIO 0.85643956 0.39145742 4.20026358 4.79 0.0309 CHEST 0.00947189 0.00547465 2.62672060 2.99 0.0865 CENSUS 0.00178564 0.00207440 0.65020801 0.74 0.3913 FACIL 0.01228514 0.00984983 1.36506916 1.56 0.2151 Bounds on condition number: 12.98482, 235.0559 -------------------------------------------------------------------------------- Step 2 Variable NURSES Removed 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 The SAS System 2 14:43 Friday, March 7, 1997 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 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 -------------------------------------------------------------------------------- Step 3 Variable CENSUS Removed 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 -------------------------------------------------------------------------------- All variables left in the model are significant at the 0.1000 level. Summary of Backward Elimination Procedure for Dependent Variable RISK Variable Number Partial Model Step Removed In R**2 R**2 C(p) F Prob>F 1 BEDS 7 0.0007 0.5425 7.1612 0.1612 0.6888 2 NURSES 6 0.0010 0.5415 5.3879 0.2284 0.6337 3 CENSUS 5 0.0035 0.5379 4.1946 0.8192 0.3675 The SAS System 3 14:43 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 3.54118 0.55882 0.00584 0.08221 0.60887 0.62371 0.18666 2 1.01961 3.35697 -1.75697 0.02452 0.03833 -1.82699 -1.94609 -0.38850 3 0.65854 3.02352 -0.32352 0.00081 0.03758 -0.33615 -0.35218 -0.06959 4 2.79245 5.88419 -0.28419 0.01163 0.33357 -0.42644 -0.37180 -0.26304 5 1.12687 5.65317 0.04683 0.00002 0.04892 0.04924 0.05125 0.01162 6 0.72109 4.57364 0.52636 0.00148 0.02647 0.54067 0.57025 0.09403 7 0.85430 4.25470 0.34530 0.00024 0.01043 0.34893 0.37071 0.03806 8 0.90226 6.96068 -1.56068 0.16397 0.21594 -1.99051 -1.91338 -1.00414 9 0.90769 4.49520 -0.19520 0.00020 0.02605 -0.20042 -0.21115 -0.03453 10 1.11864 4.82612 1.47388 0.01526 0.03419 1.52605 1.62038 0.30488 11 1.10998 6.39363 -1.49363 0.05200 0.09879 -1.65736 -1.70205 -0.56352 12 0.56190 3.35177 0.94823 0.00778 0.04148 0.98927 1.03897 0.21613 13 1.38492 7.26526 0.43474 0.00464 0.10298 0.48465 0.49047 0.16618 14 1.33898 4.29557 -0.59557 0.00246 0.03373 -0.61636 -0.64793 -0.12106 15 0.62295 3.40327 0.79673 0.00583 0.04378 0.83321 0.87272 0.18674 16 1.24233 5.09912 0.40088 0.00180 0.05247 0.42308 0.43995 0.10353 17 0.86905 4.49457 0.00543 0.00000 0.04729 0.00570 0.00593 0.00132 18 0.89381 5.24708 1.15292 0.00806 0.02977 1.18830 1.25856 0.22048 19 1.21359 3.84608 0.35392 0.00066 0.02607 0.36339 0.38302 0.06266 20 0.94881 4.90802 -0.80802 0.00921 0.06443 -0.86366 -0.89496 -0.23486 21 1.04255 3.91516 0.28484 0.00109 0.06150 0.30351 0.31396 0.08037 22 1.04294 5.61397 -0.81397 0.00841 0.05871 -0.86474 -0.89884 -0.22448 23 0.82500 4.76768 0.23232 0.00031 0.02840 0.23911 0.25163 0.04302 24 1.06197 4.57437 0.22563 0.00021 0.02052 0.23036 0.24340 0.03523 25 0.96721 4.49568 -0.49568 0.00112 0.02265 -0.50717 -0.53586 -0.08157 26 1.05569 4.48792 -0.58792 0.00610 0.07819 -0.63779 -0.65489 -0.19073 The SAS System 4 14:43 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 5.26608 -0.76608 0.005544 0.04496 -0.80214 -0.83944 -0.18213 28 0.56410 3.22100 -0.02100 0.000003 0.03456 -0.02175 -0.02281 -0.00432 29 0.87097 4.91228 -0.51228 0.001378 0.02600 -0.52596 -0.55482 -0.09064 30 0.93805 4.57565 0.32435 0.000513 0.02420 0.33239 0.35065 0.05523 31 1.24074 5.48724 -0.48724 0.001491 0.03079 -0.50271 -0.52892 -0.09427 32 1.19500 4.76933 0.43067 0.000889 0.02384 0.44118 0.46571 0.07278 33 1.00610 4.55538 0.74462 0.009526 0.07646 0.80627 0.82966 0.23872 34 0.65504 5.92310 0.17690 0.000397 0.05860 0.18792 0.19463 0.04856 35 1.01176 4.38277 1.91723 0.012723 0.01744 1.95125 2.10714 0.28070 36 0.82320 5.07608 -0.07608 0.000037 0.03111 -0.07853 -0.08250 -0.01478 37 0.60870 4.02071 -1.22071 0.006800 0.02274 -1.24912 -1.32887 -0.20271 38 0.90000 3.41698 1.18302 0.008753 0.03066 1.22044 1.29252 0.22988 39 0.91071 4.17517 -0.07517 0.000035 0.03038 -0.07752 -0.08147 -0.01442 40 0.42857 2.30706 -1.00706 0.015570 0.06938 -1.08214 -1.12077 -0.30601 41 0.81379 3.76965 -0.06965 0.000027 0.02715 -0.07159 -0.07537 -0.01259 42 1.18889 5.03719 -0.33719 0.000656 0.02843 -0.34705 -0.36534 -0.06250 43 0.58947 3.90725 -0.90725 0.006294 0.03700 -0.94211 -0.99131 -0.19431 44 0.84345 4.53718 1.06282 0.003400 0.01523 1.07925 1.15020 0.14305 45 0.91667 3.86923 1.63077 0.008930 0.01693 1.65886 1.78155 0.23382 46 1.08262 4.54207 0.05793 0.000064 0.08306 0.06317 0.06457 0.01943 47 0.63004 6.96539 -0.46539 0.024047 0.29112 -0.65651 -0.59093 -0.37869 48 0.47309 4.16535 1.33465 0.012735 0.03476 1.38271 1.46449 0.27790 49 0.37634 1.96821 -0.16821 0.000641 0.09652 -0.18618 -0.18891 -0.06175 50 0.82773 4.04736 0.15264 0.000121 0.02567 0.15666 0.16507 0.02679 51 1.21256 5.30988 0.29012 0.000534 0.03109 0.29943 0.31472 0.05638 52 1.01695 4.28341 0.01659 0.000005 0.08689 0.01817 0.01853 0.00572 The SAS System 5 14:43 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 5.02058 2.57942 0.030000 0.02248 2.63874 2.89230 0.43862 54 0.66087 6.30838 1.49162 0.097743 0.16126 1.77840 1.76365 0.77332 55 1.12821 3.46694 -0.36694 0.001026 0.03687 -0.38099 -0.39937 -0.07814 56 0.91705 4.41546 -0.51546 0.001579 0.02922 -0.53097 -0.55919 -0.09701 57 0.94595 2.92525 0.77475 0.004347 0.03518 0.80300 0.84466 0.16128 58 1.18491 4.07730 0.22270 0.000339 0.03333 0.23038 0.24182 0.04490 59 0.92246 5.07057 -1.17057 0.005578 0.02038 -1.19493 -1.27189 -0.18347 60 0.86275 4.64233 -0.14233 0.000138 0.03326 -0.14723 -0.15452 -0.02866 61 0.95522 3.77778 -0.37778 0.001337 0.04460 -0.39542 -0.41285 -0.08920 62 0.71795 4.91992 0.78008 0.008662 0.06494 0.83426 0.86404 0.22771 63 1.16667 3.62314 1.77686 0.029834 0.04497 1.86053 1.97600 0.42879 64 1.43939 4.31671 0.08329 0.000086 0.05764 0.08839 0.09158 0.02265 65 0.84143 4.07363 0.92637 0.006310 0.03568 0.96064 1.01169 0.19460 66 1.25416 4.82245 -0.52245 0.002645 0.04601 -0.54765 -0.57178 -0.12558 67 1.05759 4.39522 0.00478 0.000000 0.02549 0.00491 0.00517 0.00084 68 0.87903 3.92605 -0.22605 0.000424 0.03989 -0.23544 -0.24629 -0.05020 69 0.54455 3.84064 0.65936 0.003570 0.03952 0.68649 0.71982 0.14602 70 0.84615 4.05746 -0.55746 0.002541 0.03937 -0.58031 -0.60811 -0.12310 71 1.76316 4.11551 0.08449 0.000127 0.07853 0.09169 0.09394 0.02742 72 1.09615 3.20145 -1.20145 0.011397 0.03812 -1.24906 -1.31815 -0.26240 73 0.80083 4.14673 1.05327 0.004049 0.01835 1.07296 1.14157 0.15608 74 1.04861 5.94104 -1.44104 0.033210 0.07188 -1.55265 -1.61603 -0.44974 75 0.86713 4.02513 -0.62513 0.001721 0.02198 -0.63918 -0.67611 -0.10136 76 1.54902 3.67126 0.82874 0.008388 0.05671 0.87856 0.91431 0.22417 77 0.94595 3.82342 -0.92342 0.003313 0.01949 -0.94178 -1.00000 -0.14100 78 0.74958 4.53651 0.36349 0.001249 0.04499 0.38061 0.39728 0.08623 The SAS System 6 14:43 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 4.26090 0.13910 0.000054 0.01427 0.14112 0.14955 0.01800 80 0.64602 4.93505 0.16495 0.000193 0.03444 0.17084 0.17919 0.03384 81 0.61250 4.01109 -1.11109 0.018212 0.06701 -1.19088 -1.23653 -0.33138 82 0.83453 3.60807 -0.10807 0.000109 0.04435 -0.11309 -0.11800 -0.02542 83 1.00917 3.59983 1.90017 0.019222 0.02634 1.95156 2.09752 0.34496 84 1.02353 3.10156 1.59844 0.031184 0.05667 1.69446 1.78265 0.43693 85 1.00000 3.48996 -1.78996 0.018015 0.02773 -1.84102 -1.97274 -0.33318 86 0.88189 4.40244 -0.30244 0.000280 0.01550 -0.30720 -0.32549 -0.04084 87 0.53868 3.89958 -0.99958 0.019448 0.08503 -1.09247 -1.12193 -0.34201 88 0.89686 4.89203 -0.59203 0.002359 0.03285 -0.61214 -0.64377 -0.11865 89 1.24409 4.72262 0.07738 0.000021 0.01738 0.07875 0.08332 0.01108 90 0.93315 5.06908 0.73092 0.003409 0.03124 0.75450 0.79496 0.14277 91 0.81538 3.54010 -0.64010 0.002314 0.02785 -0.65844 -0.69448 -0.11754 92 0.94915 3.36622 -1.36622 0.010204 0.02700 -1.40414 -1.49375 -0.24885 93 0.35000 2.48374 -1.18374 0.032822 0.09918 -1.31406 -1.34241 -0.44543 94 1.29091 3.74401 1.55599 0.016284 0.03283 1.60880 1.71185 0.31538 95 1.20325 4.30174 0.99826 0.006607 0.03239 1.03167 1.08918 0.19928 96 1.31579 4.88040 -2.38040 0.040313 0.03460 -2.46571 -2.67136 -0.50571 97 0.99438 3.70062 0.09938 0.000037 0.01874 0.10127 0.10708 0.01480 98 0.48523 4.56617 0.23383 0.000556 0.04808 0.24564 0.25587 0.05751 99 0.72656 3.07380 -0.77380 0.004096 0.03335 -0.80050 -0.84282 -0.15655 100 0.82080 4.56967 1.63033 0.023034 0.04154 1.70099 1.80446 0.37566 101 1.17021 3.75738 -1.15738 0.012892 0.04573 -1.21285 -1.27418 -0.27893 102 0.79433 4.37795 -0.07795 0.000055 0.04307 -0.08146 -0.08505 -0.01804 103 1.25000 3.58065 -0.88065 0.007526 0.04608 -0.92319 -0.96659 -0.21244 104 0.59091 5.95143 0.64857 0.013568 0.12798 0.74375 0.74321 0.28472 The SAS System 7 14:43 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 4.00782 0.49218 0.001602 0.03231 0.50861 0.53472 0.09770 106 0.89855 3.38075 -0.48075 0.004036 0.07754 -0.52116 -0.53496 -0.15510 107 0.21111 2.06292 -0.66292 0.009632 0.09390 -0.73162 -0.74524 -0.23990 108 0.72727 2.61023 -0.51023 0.002858 0.05153 -0.53795 -0.56000 -0.13053 109 1.06349 5.33317 0.36683 0.002406 0.07911 0.39835 0.40831 0.11967 110 0.67647 4.79605 1.00395 0.034652 0.13441 1.15985 1.15899 0.45670 111 1.60000 4.41895 -0.01895 0.000006 0.07659 -0.02052 -0.02105 -0.00606 112 0.51454 6.91714 -1.01714 0.057947 0.19119 -1.25757 -1.21549 -0.59096 113 1.10000 4.32645 -1.22645 0.010067 0.03268 -1.26788 -1.34219 -0.24669