Table 2.

Multivariable-adjusted differences in daily incidence of sleep disturbance per 1000 person-days in crowded and non-crowded shelters

Variables	Difference in daily incidence of sleep disturbance per 1000 person-days	95% CI	p Value
Shelter groups
Crowded shelters	Reference
Non-crowded shelters	2.6	0.2 to 5.0	0.03
Covariates
Nutrition status
Very low	Reference
Low	−2.6	−4.8 to −0.3	0.03
Intermediate	−1.5	−3.9 to 0.9	0.23
High	1.1	−0.8 to 3.0	0.27
Flooded shelter	−0.5	−2.5 to 1.4	0.58
Area mortality
Very low	Reference
Low	−3.6	−5.9 to −1.4	<0.01
Intermediate	−2.1	−4.4 to 0.3	0.08
High	−0.5	−2.5 to 1.4	0.58
Restoration of water supply	−2.0	−4.3 to 0.2	0.07

Crowded shelters: the mean space per evacuee at the shelter during study period <5.0 m²; Non-crowded shelters: the mean space per evacuee at the shelter during study period ≥5.0 m².