|
Field
Study Withdrawn
|
Before
|
After
No
|
|
Field
Data Collection Complete
|
Before
|
After
Yes
|
|
Field
Final Sample Size: Number of Clusters (Unit of Randomization)
|
Before
|
After
64,635 cases attempted (smaller samples for specific analyses)
Cases (first attempt) were randomized to time of day and day of week
|
|
Field
Was attrition correlated with treatment status?
|
Before
|
After
No
|
|
Field
Final Sample Size: Total Number of Observations
|
Before
|
After
64,347 -- this was not a clustered design
|
|
Field
Final Sample Size (or Number of Clusters) by Treatment Arms
|
Before
|
After
bk_dayofwee |
k | Freq. Percent Cum.
------------+-----------------------------------
Monday | 11,244 17.47 17.47
Tuesday | 10,893 16.93 34.40
Wednesday | 10,886 16.92 51.32
Thursday | 11,042 17.16 68.48
Friday | 11,747 18.26 86.74
Weekend | 8,535 13.26 100.00
------------+-----------------------------------
Total | 64,347 100.00
bk_timeofday | Freq. Percent Cum.
---------------+-----------------------------------
Morning (7-11) | 17,076 26.55 26.55
Midday (12-3) | 28,718 44.65 71.19
Evening (4-10) | 18,529 28.81 100.00
---------------+-----------------------------------
Total | 64,323 100.00
|
|
Field
Is there a restricted access data set available on request?
|
Before
|
After
Yes
|
|
Field
Restricted Data Contact
|
Before
|
After
[email protected]
|
|
Field
Program Files
|
Before
|
After
No
|
|
Field
Data Collection Completion Date
|
Before
|
After
September 30, 2020
|
|
Field
Is data available for public use?
|
Before
|
After
No
|