Difference in differences (DID) without confounders
|
---|
Outcome variables
|
Baseline (BL)
|
Post-intervention (PI)
|
Diff-In-Diff
|
---|
Control
|
Intervention
|
Diff (BL)
|
Control
|
Intervention
|
Diff (EL)
|
---|
Knowledge
|
5.250a
|
5.680
|
0.430
|
5.820
|
10.420
|
4.600
|
4.170
|
SEb
| | |
0.312
| | |
0.235
|
0.390
|
t value
| | |
1.380
| | |
19.57
|
10.68
|
p value
| | |
0.169
| | |
0.000***
|
0.000***
|
R square
|
0.54
| | | | | | |
Use of LLINs
|
4.530
|
4.510
|
− 0.020
|
4.850
|
8.190
|
3.340
|
3.360
|
SEb
| | |
0.245
| | |
0.194
|
0.313
|
t value
| | |
− 0.08
| | |
17.18
|
10.75
|
p value
| | |
0.935
| | |
0.000***
|
0.000***
|
R square
|
0.59
| | | | | | |
Difference in differences (DID) with confounders
|
---|
Knowledge
|
5.605
|
5.712
|
0.107
|
6.175
|
10.452
|
4.277
|
4.170
|
SE
| | |
0.309
| | |
0.309
|
0.383 |
|
t value
| | |
0.35 0
| | |
13.82
|
10.90
|
p value
| | |
0.730
| | |
0.000***
|
0.000***
|
R square
|
0.58
| | | | | | |
Confounders
|
Yes
| | | | | | |
Use of LLINs
|
2.785
|
2.546
|
− 0.239
|
3.105
|
6.226
|
3.121
|
3.360
|
SE
| | |
0.250
| | |
0.250 |
|
0.309
|
t value
| | |
− 0.95
| | |
12.48
|
10.87
|
p value
| | |
0.341
| | |
0.000***
|
0.000***
|
R square
|
0.53
| | | | | | |
Confounders
|
Yes
| | | | | | |
- Confounders: age, education, income, etc
- ***p < 0.01
- aMeans and SE are estimated by linear regression
- bRobust Std. Errors