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Table 2 Overall comparison site resident demographics at four time points: pre-intervention, beginning of intervention period, end of intervention period, and post-intervention

From: Data for improvement and clinical excellence: report of an interrupted time series trial of feedback in long-term care

Demographic characteristics

July 2008

January 2009

January 2010

July 2010

 

(n= 132)

(n= 122)

(n= 114)

(n= 145)

Age (in years)

    


Mean

79.5

79.4

78.7

80.8


Standard deviation

13.6

13.7

14.6

13.5


Range

49 to 102

49 to 102

38 to 100

42 to 101

Sex

No.

%

No.

%

No.

%

No.

%


Male

38

28.8

41

33.6

38

33.3

36

30.8


Female

94

71.2

81

66.4

76

66.7

81

69.2

Marital status

No.

%

No.

%

No.

%

No.

%


Never married

17

12.9

14

11.5

16

14.0

13

11.1


Married

36

27.3

32

26.2

31

27.2

28

23.9


Widowed

61

46.2

55

45.1

52

45.6

61

52.1


Separated

2

1.5

2

1.6

1

0.9

1

0.9


Divorced

12

9.1

14

11.5

9

7.9

12

10.3


Unknown

4

3.0







5

4.4

2

1.7