Table 3.
Multivariate Model of Risk of Uncontrolled Blood Pressure at the Most Recent Primary Care Visit
| Characteristic | Risk Ratio (95% CI) |
|---|---|
| Sex | |
| Male (reference) | 1.0 |
| Female | 0.98 (0.96 to 1.01) |
| Age/Comorbidity category* | |
| Aged >60 years with no comorbidities (reference) | 1.0 |
| Aged ≥60 years with comorbidities | 1.64 (1.57 to 1.71) |
| Aged <60 years with no comorbidities | 1.72 (1.65 to 1.79) |
| Aged <60 years with comorbidities | 1.51 (1.45 to 1.58) |
| Race/ethnicity | |
| Non-Latino white (reference) | 1.0 |
| African American | 1.13 (1.09 to 1.16) |
| Latino | 1.01 (0.96 to 1.05) |
| Asian/Pacific Islander | 0.95 (0.91 to 0.98) |
| American Indian, other, or unknown | 0.99 (0.93 to 1.04) |
| Preferred language | |
| English (reference) | 1.0 |
| Spanish | 0.97 (0.92 to 1.02) |
| Cantonese or Mandarin | 0.79 (0.73 to 0.85) |
| Other language | 1.05 (1.01 to 1.10) |
| Insurance status | |
| No health coverage (reference) | 1.0 |
| Insured or other health coverage | 0.87 (0.83 to 0.92) |
| Smoking status | |
| Never or past smoker (reference) | 1.0 |
| Current smoker | 1.12 (1.08 to 1.15) |
| Body mass index (BMI) | |
| Not overweight or obese (BMI<25 kg/m2) (reference) | 1.0 |
| Overweight (BMI 25 to ≤30 kg/m2) | 1.02 (0.99 to 1.06) |
| Obese (BMI ≥ 30 kg/m2) | 1.09 (1.06 to 1.13) |
| Number of primary care visits over 2-year period | |
| 1 to 2 visits (reference) | 1.0 |
| 3 to 4 visits | 0.85 (0.82 to 0.88) |
| 5 or more visits | 0.71 (0.69 to 0.73) |
| Health System | |
| Health System 1 (reference) | 1.0 |
| Health System 2 | 1.15 (1.11 to 1.19) |
| Health System 3 | 1.46 (1.42 to 1.50) |
BMI, body mass index; CI, confidential interval.
Only patients with complete data were included (n = 51,417). Statistically significant risk ratio differences in comparison to reference variables are displayed in bold type.
*
Comorbidities relevant to blood pressure target chronic kidney disease, diabetes, ans cardiovascular disease.