Research Article

The Effect of a Restraint Reduction Program on Physical Restraint Rates in Rehabilitation Settings in Hong Kong

Table 3

Comparison of the pre- and postintervention restraint rates in the study and control sites.

 Study siteControl site

Preintervention phasePostintervention phasePreintervention phasePostintervention phase
𝑛 = 4 6 3 𝑛 = 5 6 2 𝑃 -value (t-test) 𝑛 = 3 0 5 𝑛 = 3 1 0 𝑃 -value (t-test)
 M (%) ± SDM (%) ± SDM (%) ± SDM (%) ± SD

Intermittent restraint
A/D0.6 ± 0.027.1 ± 0.08<0.0010.4 ± 0.016.3 ± 0.05<0.001
P/D  0.7 ± 0.023.7 ± 0.05<0.001
N  1.0 ± 0.022.8 ± 0.04<0.0010.0 ± 0.000.4 ± 0.020.019
Overall   0.7 ± 0.025.1 ± 0.07<0.0010.2 ± 0.013.3 ± 0.05<0.001
Continuous restraint
A10.7 ± 0.128.3 ± 0.070.0014.2 ± 0.036.6 ± 0.05<0.001
P 11.6 ± 0.157.6 ± 0.07<0.001
N  10.0 ± 0.1210.5 ± 0.070.5920.6 ± 0.023.5 ± 0.03<0.001
Overall10.8 ± 0.138.5 ± 0.07<0.0012.4 ± 0.035.0 ± 0.05<0.001

A/D: am shift for Study site; or day shift for Control site.
P/D: pm-shift for Study site; or day-shift for Control site.
N: night-shift.
n: number of shifts.
*restraint rate: the number of patients being restrained/the total number of patients in the ward per shift.