Att 8a NHCIS Flowchart rev12_14_12[1]

2013 Web Follow Back Survey

Group Assignment Flowchart
Version 3.3 | 12-14-2012
100%
12,000

32%
(3,840)

30%
(3,600)

38%
(4,560)

AVAILABLE
INFORMATION

EMAIL
(Gave email address,
checked email daily)

INTERNET
(Used internet regularly but did
not give email and/or didn’t
check email daily)

PHONE
(Did not use internet or
have email)

RANDOMIZATION
NOTIFICATION

Email – Web Push

Letter –
Web Push

Letter –
Phone Push

Letter –
Web Push

Letter –
Phone Push

Letter –
Web Push

Letter –
Phone Push

1ST FOLLOW-UP
(if needed) after 1 week

Email – Web Push

Letter –
Web Push

Letter –
Phone Push

Letter –
Web Push

Letter –
Phone Push

Letter –
Web Push

Letter –
Phone Push

2ND FOLLOW-UP
(if needed) after 1 week

COMPLETION

Phone Call From FR

E-EW(-EW)Web

E-LW(-LW)Web

E-EW(-EW)Phone

E-LP(-LP)Phone

E-LW(-LW)Phone

E-LP(-LP)Web

Legend
Randomized groups; mode push held through 1st follow-up
Case completed as mode assigned by randomization
Case crossed over into mode opposite that assigned by randomization (i.e., web as phone or phone as web)

I-LW(-LW)Web
I-LW(-LW)Phone

I-LP(-LP)Phone
I-LP(-LP)Web

P-LW(-LW)Web

P-LP(-LP)Phone

P-LW(-LW)Phone

P-LP(-LP)Web