Table 5.
Blood pressure (median (interquartile range) and prevalence of elevated valuesa) in intervention (I) and non-intervention (NI) students 8 years after school-based intervention
| I | NI | |
|---|---|---|
| Blood pressure | ||
| Number of students | 239 | 950 |
| Systolic, mm Hg | 118 (110–124) | 120 (110–125) |
| Diastolic, mm Hg | 72 (68–80) | 74 (68–80) |
| Systolic elevated, % | 6.7 | 7.5 |
| Diastolic elevated, % | 6.0 | 8.4 |
| Systolic and/or diastolic elevated, % | 10.8 | 13.3 |
| Low SES | ||
| Number of students | 58 | 238 |
| Systolic, mm Hg | 115 (110–124) | 120 (110–125) |
| Diastolic, mm Hg | 72 (65–80) | 74 (68–80) |
| Systolic elevated, % | 2.0 | 5.1 |
| Diastolic elevated, % | 11.5 | 7.1 |
| Systolic and/or diastolic elevated, % | 13.5 | 11.1 |
| Middle SES | ||
| Number of students | 77 | 292 |
| Systolic, mm Hg | 118 (112–115) | 120 (110–126) |
| Diastolic, mm Hg | 75 (70–80) | 75 (68–80) |
| Systolic elevated, % | 10.7 | 10.8 |
| Diastolic elevated, % | 3.9 | 10.6 |
| Systolic and/or diastolic elevated, % | 13.4 | 16.8 |
| High SES | ||
| Number of students | 97 | 385 |
| Systolic, mm Hg | 120 (110–124) | 120 (110–125) |
| Diastolic, mm Hg | 72 (69–78) | 73 (68–80) |
| Systolic elevated, % | 6.3 | 6.5 |
| Diastolic elevated, % | 4.5 | 7.6 |
| Systolic and/or diastolic elevated, % | 7.2 | 12.1 |
a
According to recommendations of the American Academy of Pediatrics, 1987.
No significant difference between intervention and non-intervention group, Mann-Whitney-test and chi2-test (p > 0.05).