Table 3. Hazard Ratios (HRs) for factors associated with drop-out after clinical assessment and adjusted Odds Ratios (aHRs) for both sites.
| Diabetes (+/− hypertension) | Hypertension | BP not raised on repeat measurement at clinic | Overall drop-out | ||
|---|---|---|---|---|---|
| HR (95% CI) | HR (95% CI) | HR (95% CI) | aHR (95% CI) | p-value | |
| Diagnosis | |||||
| Diabetes | 1 | - | |||
| BP medication | 1.08 (0.91-1.28) | 0.374 | |||
| BP no medication | 1.65 (1.38-1.98) | <0.001 | |||
| Site | |||||
| Lilongwe | 1 | 1 | 1 | 1 | - |
| Karonga | 0.72 (0.53-0.99) | 0.77 (0.68-0.87) | 0.72 (0.60-0.87) | 0.76 (0.68-0.84) | <0.001 |
| Sex | |||||
| Male | 1 | 1 | 1 | 1 | - |
| Female | 1.11 (0.80-1.54) | 0.80 (0.70-0.91) | 0.79 (0.65-0.95) | 0.92 (0.83-1.01) | 0.092 |
| Age group | |||||
| < 25 | 0.87 (0.21-3.55) | 1.85 (1.30-2.62) | 1.05 (0.72-1.53) | 1.19 (0.92-1.53) | 0.182 |
| 25 to 45 | 1 | 1 | 1 | 1 | - |
| 45 to 65 | 0.55 (0.39-0.78) | 0.67 (0.57-0.79) | 0.66 (0.53-0.81) | 0.74 (0.65-0.84) | <0.001 |
| 65+ | 0.44 (0.28-0.69) | 0.60 (0.50-0.71) | 0.49 (0.38-0.65) | 0.69 (0.60-0.80) | <0.001 |
| Prior HT/Diabetes meds | |||||
| Yes | 0.49 (0.36-0.67) | 0.53 (0.46-0.61) | 0.36 (0.28-0.45) | 0.49 (0.43-0.55) | <0.001 |
| No | 1 | 1 | 1 | 1 | - |
| BMI (kg/m2) | |||||
| Below 18 | 2.20 (0.79-6.10) | 1.01 (0.75-1.37) | 1.03 (0.66-1.61) | ||
| 18 to 25 | 1 | 1 | 1 | ||
| 25 to 30 | 1.03 (0.71-1.50) | 0.84 (0.72-0.97) | 1.03 (0.83-1.28) | ||
| Above 30 | 0.80 (0.54-1.18) | 0.87 (0.73-1.04) | 0.82 (0.63-1.07) | ||
| Paid employment | |||||
| Yes | 1 | 1 | 1 | ||
| No | 0.85 (0.57-1.29) | 0.75 (0.62-0.91) | 0.82 (0.63-1.08) | ||