Table 2.
Descriptive statistics of the perceived effectiveness of various incentive strategies.
| Items | Pooled | Urban | Rural | Differences | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | Std. Dev. | Mean | Std. Dev. | Mean | Std. Dev. | |||
| 1 | Having a nurse/doctor contact you every 6 months. | 4.06 | 1.26 | 4.47 | 0.83 | 3.79 | 1.42 | 0.68*** |
| 2 | Receiving an automatic text reminder on your cellphone before your exam. | 3.36 | 1.58 | 4.29 | 1.11 | 2.74 | 1.54 | 1.55*** |
| 3 | Watching a video and getting other information about diabetes and the eye. | 3.37 | 1.38 | 4.17 | 0.94 | 2.84 | 1.37 | 1.33*** |
| 4 | Seeing a picture of the back of your eye at each inspection, so you could tell if you were getting better or worse. | 3.89 | 1.24 | 4.62 | 0.70 | 3.41 | 1.28 | 1.21*** |
| 5 | Getting free transportation to the hospital. | 3.73 | 1.33 | 3.20 | 1.42 | 4.08 | 1.15 | −0.88*** |
| 6 | Being paid in cash every time you came back to the hospital for care. | 3.89 | 1.28 | 3.47 | 1.45 | 4.16 | 1.07 | −0.69*** |
| 7 | Giving free medicine every time you came back to the hospital for care. | 3.94 | 1.32 | 3.62 | 1.49 | 4.15 | 1.16 | −0.53** |
| 8 | Receiving some call credits. | 3.79 | 1.32 | 3.59 | 1.37 | 3.92 | 1.28 | −0.33 |
| 9 | Providing a free school year of textbooks, a free eye exam, and free glasses as needed for any child in the extended family. | 3.46 | 1.39 | 3.41 | 1.47 | 3.50 | 1.34 | −0.09 |
| 10 | Watching videos and posters that show new, high-quality equipment used for eye checking and the training certificates of doctors caring for DR. | 3.39 | 1.28 | 3.82 | 1.28 | 3.11 | 1.21 | 0.71*** |
| 11 | Free eye check. | 4.37 | 1.05 | 4.45 | 1.03 | 4.31 | 1.06 | 0.14 |
| Perceived effectiveness | 44.97 | 10.38 | 46.30 | 9.57 | 44.09 | 10.83 | 3.10** | |
***p < 0.01, **p < 0.05, and *p < 0.1.