Table 1.

Group Comparison Demographic and Clinical Variables at Baseline

	Experimental	Control	Test statistic
Age in years (person with dementia)	78.45	80.75	0.32*
Age in years (caregiver)	61.35	63.37	0.54*
Female (person with dementia)	42.0%	52.0%	0.49†
Female (caregiver)	73.0%	85.0%	0.28†
Caregiver relationship to care recipient			0.17†
Wife	46.2%	33.3%
Husband	11.5%	11.1%
Daughter	23.1%	51.9%
Son	15.4%	3.7%
Granddaughter	3.8%	0.0%
Race/Ethnicity			0.29†
White, not Hispanic	73.0%	85.0%
African-American	19.0%	15.0%
Hispanic	8.0%	0.0%
Caregiver burden score	2.65	3.03	0.06*
Average time caregiver awake (minutes)	31–60	31–60	0.41*
Caregiver sleeping location			1.54†
Same room	60%	40%
Different room	40%	60%
MMSE score (person with dementia)	13.67	14.00	0.91*
Measures to manage nighttime activity (overall)	74.1%	71.4%	0.04†
Increased surveillance	37.0%	14.3%
Changed door locks	14.8%	23.8%
Other monitors (baby monitors, security system)	18.5%	33.3%
Respite	3.7%	0.0%
Changes to home environment	18.5%	19.0%

Key. Test statistic for group differences -

^*Independent samples t- test.

^†Chi-Square test; all test statistics were not significant at α = 0.05.