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Table 1 Overall intervention 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= 111) (n= 139) (n= 157) (n= 145)
Age (in years)     

Mean 84.7 84.2 85.7 86.3

Standard deviation 7.9 8.7 8.6 7.6

Range 48 to 102 43 to 103 45 to 104 60 to 102
Sex No. % No. % No. % No. %

Male 38 34.2 42 30.2 45 28.7 40 27.6

Female 73 65.8 97 69.8 112 71.3 105 72.4
Marital status No. % No. % No. % No. %

Never married 4 3.6 6 4.3 5 3.2 7 4.8

Married 28 25.2 39 28.1 42 26.8 32 22.1

Widowed 70 63.1 82 59.0 99 63.1 94 64.8

Separated 1 0.9 1 0.7 1 0.7

Divorced 8 7.2 11 7.9 11 7 10 6.9

Unknown 1 0.7