Table 1 Demographic and Medical Characteristics

61.3

(8.3)

59.2

(9.1)

62.0

(9.3)

58.3

(7.5)

.011

3 > 4*

10.3

(4.9)

12.1

(6.3)

12.2

(7.1)

11.9

(6.6)

.169

.326

81.9%

(68)

79.3%

(73)

81.4%

(79)

91.2%

(82)

9.6%

(8)

14.2%

(13)

10.3%

(10)

6.6%

(6)

8.5%

(7)

6.5%

(6)

8.3%

(8)

2.2%

(2)

1.39

(1.04)

.961

(1.35)

1.30

(.933)

.776

(1.23)

.001

1 > 4*

3 > 4*

34.9%

(29)

35.9%

(33)

35.1%

(34)

20%

(18)

.062

3.6%

(3)

5.4%

(5)

7.2%

(7)

4.4%

(4)

.724

55.4%

(46)

59.7%

(55)

57.3%

(56)

42.2%

(38)

.054

25.8

(6.2)

27.4

(7.2)

26.4

(5.8)

19.6

(4.3)

.003

63.9% (53)

62.0%

(57)

51.5%

(50)

35.6%

(32)

26.5%

(22)

33.7%

(31)

37.1%

(36)

50.0%

(45)

9.6%

(8)

4.3%

(4)

11.3%

(11)

14.4%

(13)

26.5%

(22)

25%

(23)

28.9%

(28)

13.3%

(12)

.064

32.5%

(27)

28.2%

(26)

30.9%

(30)

16.7%

(15)

.073

29.7

(7.2)

29.3

(6.4)

27.8

(8.8)

24.9

(8.2)

< .001

1 > 4*

2 > 4*

76.3

(11.4)

74.4

(12.2)

71.4

(10.9)

66.9

(10.3)

< .001

1 > 3 > 4*

2 > 4*

19.79

(7.9)

24.53

(7.6)

24.89

(7.88)

50.51

(12.5)

< .001

1 < 2 < 4*

1 < 3 < 4*

293

(99)

343

(175)

308

(211)

341

(160)

.120