Table 5.
Characteristics and Results of Interventions Evaluated with an RCT
| Prior preventable healthcare use as inclusion criteria | Low-income patients† | Patients with asthma | Home visiting | CHW works one on one with patient | Urban | All or part of intervention delivered in a hospital setting | CHW described as integrated into care team | Intervention lasts for at least 1 year | Average study quality (score on Jadad scale)‡ | |
|---|---|---|---|---|---|---|---|---|---|---|
| RCTs showing a significant difference* (n = 5) | 2/5 (40%) | 1/5 (20%) | 3/5 (60%) | 5/5 (100%) | 5/5 (100%) | 5/5 (100%) | 1/5 (20%) | 2/5 (40%) | 5/5 (100%) | 3.8 |
| RCTs showing no significant difference* (n = 7) | 2/7 (28%) | 4/7 (57%) | 4/7 (57%) | 6/7 (86%) | 6/7 (86%) | 7/7 (100%) | 3/7 (43%) | 0/7 (0%) | 5/7 (71%) | 3.4 |
| Study quality | Score on the Jadad Scale ‡ indicated in parentheses | |||||||||
| RCTs showing a significant result | Fisher et al. 200936 (4); Gary et al. 200937 (4); Parker et al. 200853 (3); Wang et al. 201234 (4); Kattan et al. 200540 (4) | |||||||||
| RCTs showing no significant result | Babamoto et al. 200933 (3); Bryant-Stephens and Li 200835 (2); Hopper et al. 198438 (2); Kangovi et al. 201451 (4); Krieger et al. 200555 (4); Krieger et al. 201554 (4); Nelson et al. 201139 (5) | |||||||||
*Significant difference in ED visits, urgent care visits, or hospitalizations
†Based on insurance status, income status, or residence in low-income area
‡The Jadad Scale provides a quality rating out of 5 for RCTs; a score of 5 indicates greatest rigor