P values were calculated from logistic regression analyses accounting for clustering within practices.
| PATIENT CHARACTERISTICS | % OF PATIENTS WITH BLOOD PRESSURE RECORDED | ODDS RATIO (95% CONFIDENCE INTERVAL) | P VALUE |
|---|---|---|---|
| Age* (y) | |||
| • ≥75 | 85 (577 of 680) | 1.1 (0.8–1.4) | .8 |
| • 65–74 | 84 (721 of 859) | ||
| Sex | |||
| • Male | 84 (555 of 658) | 1.0 (0.7–1.4) | >.99 |
| • Female | 84 (743 of 881) | ||
| Smoking status | |||
| • Currently smoking | 77 (95 of 123) | 0.5 (0.3–0.7) | .06 |
| • Not currently smoking | 87 (939 of 1076) | ||
| Family history of cardiovascular disease | |||
| • Yes | 88 (446 of 509) | 1.3 (0.8–2.1) | .4 |
| • No | 85 (298 of 352) | ||
| Diagnosed hypertension or taking antihypertensive medications† | |||
| • Yes | 93 (908 of 975) | 6.4 (4.5–8.1) | <.001 |
| • No | 69 (386 of 558) | ||
| Heart disease‡ | |||
| • Yes | 90 (386 of 428) | 2.0 (1.4–3.0) | .03 |
| • No | 82 (905 of 1104) | ||
| Stroke or transient ischemic attack | |||
| • Yes | 91 (92 of 101) | 2.0 (0.9–4.2) | .07 |
| • No | 84 (1200 of 1432) | ||
| Diabetes | |||
| • Yes | 92 (238 of 258) | 2.5 (1.4–4.3) | .04 |
| • No | 83 (1056 of 1276) | ||
| Nephropathy | |||
| • Yes | 90 (45 of 50) | 1.7 (0.8–3.6) | .8 |
| • No | 84 (1245 of 1481) | ||
| Retinopathy | |||
| • Yes | 100 (10 of 10) | Could not be calculated§ | .5 |
| • No | 84 (1282 of 1523) | ||
| No. of visits to family physician during 12 months for any reason|| | |||
| • >5 | 95 (615 of 650) | 5.6 (3.6–8.7) | <.001 |
| • 2–5 | 82 (628 of 766) | 2.2 (1.3–3.7) | <.001 |
| • 1 | 45 (54 of 121) | ||
↵* Mean age 74.3 y, standard error 0.2.
↵† Documented prescription for antihypertensive medication recorded during 12-month audit period.
↵‡ Heart disease also included peripheral vascular disease and aortic aneurysm.
↵§ One cell had 0 observations, so no odds ratio could be calculated.
↵|| Mean no. of visits 5.9, standard error 0.1.