Table 2. Level of agreement (Kappa statistic) between EPs and NPHWs on counselling, drug treatment and referral sections of the WHO CVD-Risk Management Package.
| Variable | Inter-rater agreement, Po (%) | Kappa statistic |
Comments | ||
|---|---|---|---|---|---|
| (Po – Pe)/(1 – Pe) Kappa | Prob > z | ||||
| Track A | 96.14 | 0.7537 | 0.000 | Substantial | |
| Counselling | 96.30 | 0.6560 | 0.000 | Substantial | |
| Prescription | 95.99 | 0.4796 | 0.000 | Moderate | |
| Referral | 96.14 | 0.6984 | 0.000 | Substantial | |
| Track B | 99.54 | 0.9067 | 0.000 | Perfect | |
| Counselling | 96.14 | 0.7215 | 0.000 | Substantial | |
| Prescription | 97.22 | 0.7484 | 0.000 | Substantial | |
| Referral | 96.30 | 0.5940 | 0.000 | Moderate | |
| Track C | 94.91 | 0.7470 | 0.000 | Substantial | |
| Counselling | 94.19 | 0.7470 | 0.000 | Substantial | |
| Prescription | 95.83 | 0.7152 | 0.000 | Substantial | |
| Referral | 92.44 | 0.4877 | 0.000 | Moderate | |
| Track D | 93.21 | 0.7861 | 0.000 | Substantial | |
| Counselling | 92.90 | 0.7736 | 0.000 | Substantial | |
| Prescription | 95.37 | 0.6976 | 0.000 | Substantial | |
| Referral | 94.44 | 0.4300 | 0.000 | Moderate | |
| Track E | 96.60 | 0.6680 | 0.000 | Substantial | |
| Counselling | 96.60 | 0.6680 | 0.000 | Substantial | |
| Prescription | 97.07 | 0.5215 | 0.000 | Moderate | |
| Referral | 96.91 | 0.5317 | 0.000 | Moderate | |
| Track F | 94.60 | 0.8914 | 0.000 | Perfect | |
| Counselling | 94.14 | 0.8820 | 0.000 | Perfect | |
| Prescription | 87.65 | 0.7145 | 0.000 | Substantial | |
| Referral | 98.61 | 0.8452 | 0.000 | Perfect | |
CVD, cardiovascular disease; EPs, expert physicians; NPHWs, non-physician health-care workers.