An introductory letter in advance of a telephone survey may increase response rate.
Majowicz
S E
SE
Foodborne, Waterborne, and Zoonotic Infections Division, Population and Public Health Branch, Health Canada, Guelph, Ontario.
Edge
V L
VL
Flint
J
J
Sockett
P
P
Doré
K
K
McDougall
L
L
Remple
V
V
Fyfe
M
M
Henson
S
S
Gaebel
K
K
D015982:Bias; D001955:British Columbia; D015709:Correspondence as Topic; D003625:Data Collection / Q000379:methods*; D006306:Health Surveys; D006801:Humans; D007407:Interviews as Topic / Q000379:methods*; D017010:Reminder Systems; D012107:Research Design; D012424:Rural Population; D013689:Telephone; D014505:Urban Population