Table 3.
Intervention Strategy Types by Intervention Year
| Intervention strategy typea | Year 11 | Year 22 | Year 33 |
|---|---|---|---|
| a. HP→IND | 27 (32%) | 17 (29%) | 27 (38%) |
| b. HP→X→IND | 41 (48%) | 35 (59%) | 39 (54%) |
| c. HP→[X-X]→IND | 16 (19%) | 7 (12%) | 6 (8%) |
| Total | 84 | 59 | 72 |
| Chi-square (χ2 )df = 2 | 11.2 | 20.5 | 23.2 |
| p value | <0.01 | <0.0001 | <0.0001 |
aIncludes repeated activities across intervention years
The following differences in proportions are statistically significant:
1 a-b p < 0.05 and b-c p < 0.05 and b-c p < 0.0001
2 a-c p < 0.05 and a-b p < 0.01 and b-c p < 0.0001
3 a-c, b-c p < 0.0001