Table 1.

Univariate analysis: senile dementia-specific risk factors related to scabies, and comparisons between infected and non-infected individuals

	Scabies cases (n = 20)	Non-infected individuals (n = 45)	p-value$	Odds ratio† (95% CI)*
Gender (male)	2	6	NS§	0.7 (0.1 – 4.0)
Type of room (Japanese style with tatami mats)	19	42	NS	1.4 (0.1 – 13.9)
Sleeping arrangement (on futons directly on the floor)	18	37	NS	1.9 (0.4 – 10.1)
Ease of movement (without assistance)	17	15	0.0001	11.3 (2.9 – 44.8)
Range of movement (outwith the room but within the ward)	12	12	0.0136	4.1 (1.4 – 12.5)

^$Two-tailed; ^†Odds ratio of being infected through exposure; *95% Confidence interval; ^§NS: not significant.