E2.  Means of Variables, 1990-2000 – Hospital Demand for Licensed Practical Nurses

Variable

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

Number of Full-time Equivalent LPNs

31.61

31.59

30.33

28.88

28.92

28.24

27.41

27.74

27.20

26.60

25.77

Number of Full-time Equivalent RNs

149.87

157.12

162.77

166.71

171.56

173.25

176.13

180.39

187.47

191.79

197.28

Ratio of LPNs to All Licensed Nurses

24.6%

23.9%

22.6%

21.4%

21.2%

20.7%

19.7%

19.6%

18.8%

18.5%

18.0%

Scope of Practice

Specific

2.34

Restrictive

1.95

Hospital and Patient Characteristics

Inpatient Days

42,265

42,120

42,178

41,346

39,912

38,791

38,119

38,509

38,677

39,210

39,706

Medicaid's Share of Inpatient Days

15.2%

16.3%

17.3%

18.1%

18.6%

18.7%

18.0%

18.1%

17.3%

17.6%

18.3%

Length of Stay

10.00

10.32

10.44

10.73

10.48

10.18

10.13

9.85

9.78

9.71

9.92

Case Mix

1.20

1.22

1.23

1.23

1.24

1.24

1.25

1.26

1.28

1.28

1.25

Technology (Saidin Index)

1.79

1.85

1.97

2.06

2.12

2.14

2.16

2.21

2.18

2.34

2.47

Non-profit Owner

58.6%

58.8%

59.4%

59.3%

59.3%

59.1%

58.9%

59.1%

60.0%

60.5%

61.1%

For-profit Owner

13.6%

13.4%

13.1%

13.1%

13.3%

13.8%

14.0%

14.9%

14.5%

14.1%

14.1%

Government Owner

16.5%

16.6%

16.2%

16.0%

15.9%

15.4%

15.5%

14.7%

14.1%

14.0%

13.7%

Hospital District/Authority Owner

11.3%

11.3%

11.3%

11.6%

11.5%

11.7%

11.6%

11.4%

11.4%

11.4%

11.1%

Market Characteristics

LPN Market Wage

$12.23

$12.50

$12.71

$12.77

$12.81

$12.71

$12.62

$12.57

$12.88

$13.12

$13.29

RN Market Wage

$18.85

$19.26

$19.56

$19.59

$19.58

$19.25

$19.11

$18.83

$18.96

$19.24

$19.40

Nurse Aide Market Wage

$7.51

$7.49

$7.48

$7.39

$7.36

$7.44

$7.45

$7.51

$7.62

$7.78

$7.97

Number of HMOs Operating in County

6.60

6.85

7.03

6.67

6.56

6.95

7.79

8.00

8.36

7.63

6.30

HMO Penetration

12.9%

13.9%

14.4%

14.9%

15.6%

15.8%

18.3%

20.4%

22.1%

21.7%

21.0%

No. of HMOs In County x HMO Penetration

1.33

1.41

1.44

1.40

1.47

1.65

2.06

2.26

2.42

2.48

1.90

Per Capita Income in County

$17,057

$17,375

$18,384

$18,957

$19,844

$20,908

$22,018

$22,718

$24,375

$25,506

$26,208

Percentage of LPNs Unionized in State

12.6%

12.5%

14.8%

14.6%

15.1%

14.7%

13.4%

11.1%

11.0%

12.9%

12.3%

Percentage of RNs Unionized in State

17.3%

17.0%

16.7%

15.8%

17.1%

16.5%

16.3%

15.3%

14.5%

16.3%

16.9%

Instruments for Scope of Practice

Per Capital State Debt/Per Capita Income

6.27

State Government Controlled by Democrats

9.5%

State Government Control Divided

52.3%

Governor Does Not Have Line Item Veto

9.6%

percent Democrats in Lower Legislative House

53.7%

percent Democrats in Upper Legislative House

51.1%

Instruments for LPN Wage

LPN Average Age

42.32

percent of Total Workforce Unionized in State

13.9%

Sample Size

5,220

5,152

5,076

5,042

4,991

4,943

4,888

4,810

4,772

4,703

4,661

Sources: American Hospital Association Annual Survey of Hospitals, Current Population Survey Outgoing Rotation Files, and Area Resource File (February 2003 release).  Managed care data courtesy of Douglas R. Wholey.  Political variables courtesy of Mark W. Smith, Health Economics Resource Center, VA Palo Alto Health Care System.