The Association between Residence Floor Level and Cardiovascular Disease: The Health and Environment in Oslo Study

Table 2

Prevalence of disease by floor level and chi-square tests of difference (all types of housing).

	Total	Basement and 1st floor	2nd-3rd floor	4th-5th floor	6th–10th floor	≥11th floor	value
Stroke	4.6% ()	4.8% ()	4.0% ()	5.4% ()	7.3% ()	11.1% ()	<0.001
Venous thromboembolism (VTE)	4.9% ()	4.6% ()	4.8% ()	4.5% ()	9.0% ()	10.1% ()	<0.001
Intermittent claudication (IC)	4.8% ()	4.9% ()	4.6% ()	4.4% ()	6.4% ()	13.1% ()	0.001

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