Table 4.

Decrease (%) in cancer diagnosis – results of multivariate analysis

	Coefficient	95% CI
Period
January–February	Ref
March	− 25.7	− 37.8; − 13.5
April	− 67.6	− 85.2; − 50.0
May	− 35.6	− 53.9; − 17.4
June–October	0.6	− 11.9; 13.2
Geographic area
North America	Ref
Europe	− 14.4	− 24.4; − 4.4
Asia	− 14.5	− 36.7; 7.7
Setting of studies
Clinic-based	Ref
Population-based	− 11.6	− 23.3; 0.0
Cancer
Breast Gastro-intestinal Genito-urinary Skin	Ref  − 21.8  − 1.2  − 22.5	− 35.0; − 8.5  − 19.5; 17.2  − 34.5; − 10.5

CI Confidence interval, Ref Reference category