Table 2. Prevalence (95%CI) of elevated blood pressure (most recent BP measure), all values are in %.
| Elevated blood pressure | |||
|---|---|---|---|
| Relative hypertension | Hypertension | P value | |
| Age group | |||
| 18–20 | 40.2 (31.4–49.4) | 6.6 (2.9–12.5) | <0.001 |
| 21–24 | 48.6 (40.3–57.0) | 6.2 (2.9–11.4) | |
| 25–30 | 59.1 (50.9–66.9) | 3.9 (1.4–8.3) | |
| 31–39 | 51.1 (43.6–58.6) | 8.9 (5.2–14.0) | |
| 40–54 | 38.0 (31.0–45.5) | 38.0 (31.0–45.5) | |
| 55–76 | 28.1 (19.1–38.6) | 62.9 (52.0–72.9) | |
| Gender | |||
| Female | 40.9 (36.8–45.1) | 22.2 (18.8–25.9) | <0.001 |
| Male | 53.4 (47.8–59.0) | 13.1 (9.6–17.3) | |
| Genotype | |||
| SS | 43.7 (38.7–48.7) | 9.4 (6.7–12.7) | <0.001 |
| SC | 48.8 (43.4–54.3) | 33.0 (28.1–38.3) | |
| Other | 42.5 (34.1–51.1) | 10.8 (6.2–17.2) | |
Prevalence of RSH and hypertension with 95% Confidence Intervals (95%CI) stratified by age group, gender and genotype. Relative systemic hypertension and hypertension peak and nadir respectively within the same group of young adults, suggesting an at-risk group.