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Table 1 Components, cost and sources for the postal recruitment and consent obtainment

From: Postal recruitment and consent obtainment from index cases of narcolepsy

Components List Unit Quantity used Unit cost (CAD$) Cost per consent (CAD$) Source
Paper page print 1 131 .10 0.94 Office manager
Envelope Size 5¾ × 9½ inches 6 71 .38 1.93 Canada post
Envelope Size 10 × 13 in. 6 50 .42 1.50 Canada post
Postal stamp 10 111 .85 6.74 Canada post
Staff salary Per hour 6.45 26.04 11.99 Office manager
Office and accessories Per hour 6.45 1.11 0.51 Office manager
Total     23.61