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. 1988 Summer;9(4):81–97.

Table 7. Regression analysis of nursing home bed stock, by previous undersupply: United States, 1981-84.

Coefficient and t-score for independent variable 1981 1982 1983 1984
Intercept 186.35 188.73 1104.45 173.16
Undersupply 2 years before 2−23.11
(−5.47)		 2−15.71
(−3.75)		 2−14.51
(−3.33)		 2−17.12
(−5.17)
Percent of population 65 years of age or over 0.51
(0.41)		 0.61
(0.46)		 0.94
(0.69)		 0.47
(0.44)
Personal income per capita 14.57
(2.59)		 14.55
(2.55)		 14.50
(2.21)		 2.00
(1.62)
Percent unemployed 1−1.73
(−1.89)		 1−1.63
(−2.05)		 −1.02
(−1.12)		 −0.24
(−0.29)
Average annual temperature 2−0.61
(−3.02)		 2−0.60
(−2.80)		 1−0.54
(−2.15)		 1−0.46
(−2.41)
Home health visits per 1,000 population 1−65.58
(−1.76)		 1−51.62
(−1.73)		 −30.43
(−1.12)		 2−55.41
(−2.80)
Physicians per 1,000 population 0.10
(0.07)		 −11.21
(−0.84)		 −21.31
(−1.50)		 −6.25
(−0.53)
Hospital occupancy −0.01
(−0.03)		 0.12
(0.29)		 −0.43
(−1.05)		 −0.31
(−1.00)
Hospital beds per 1,000 population 2.34
(0.86)		 2.52
(1.04)		 3.37
(1.20)		 27.21
(3.42)
Nursing pay per employee −4.36
(−1.63)		 −3.22
(−1.36)		 −2.22
(−0.84)		 0.46
(0.28)
Medicaid spend down −0.19
(−0.23)		 −0.05
(−0.07)		 −0.57
(−0.71)		 −0.86
(−1.39)
Intermediate care facility per diem rate 0.10
(0.30)		 −0.29
(−0.88)		 0.07
(0.16)		 −0.26
(−1.29)
N3 42 48 46 44
R2 2.816 2.735 2.663 2.787
Adjusted R2 .740 .644 .540 .704
1

Significant at the .05 level, one-tailed test; except two-tailed test for effect of income per capita.

2

Significant at the .01 level, two-tailed test; except two-tailed test for effect of income per capita.

3

Arizona has no institutional Medicaid program. The District of Columbia was excluded for disproportionate influence, judged by Cook's D. Data are missing for Alaska, Idaho, Indiana, Mississippi, Nebraska, New Mexico, North Dakota, Ohio, Rhode Island, Vermont, West Virginia, and Wyoming.

NOTE: Numbers in parentheses are t-scores.