Table 2.
Univariate Associations between Patient Characteristics and Systolic Blood Pressure
Characteristics, N=338 | Median [IQR] SBP, mmHg | p |
---|---|---|
Age, years | 0.07* | |
< 59 | 133 [119,147] | |
≥ 59 | 136 [119,153] | |
Sex | 0.04* | |
Female | 132 [117,149] | |
Male | 137 [124,152] | |
Race | 0.07* | |
Non-white | 141 [127,152] | |
White | 134 [119,150] | |
CKD Stage, (1–2, 3, and 4–5) | 0.01+ | |
1–2 | 134 [122,147] | |
3 | 132 [118,148] | |
4–5 | 140 [125,156] | |
Self-reported Diabetes Mellitus, n=324 | 0.60* | |
No | 134 [121,148] | |
Yes | 134 [118,143] | |
Response “Do you have Chronic Kidney Disease?” | 0.06 | |
Yes | 133 [119,149] | |
No | 140 [124,152] | |
Education Attainment | 0.80* | |
< High School | 135 [115,150] | |
≥ High School | 134 [120,150] | |
Health Literacy Assessment | 0.20* | |
< 9th Grade Level | 138 [122,158] | |
≥ 9th Grade Level | 134 [119,149] | |
Nephrology Appointments with past one year | 0.70* | |
≤ 2 visits | 134 [120,150] | |
≥ 3 visits | 136 [119,150] | |
Annual Household Income, Dollars, n=318 | 0.30+ | |
≤ 25,000 | 137 [123,150] | |
25,000 – 55,000 | 134 [123,151] | |
> 55,000 | 134 [117,148] | |
| ||
Hypertension Knowledge Questions | ||
| ||
Response “Can high blood pressure hurt the kidney?” | 0.10* | |
Correct | 134 [119,150] | |
Incorrect | 140 [124,184] | |
Response “On average, your blood pressure should be?” | 0.05* | |
Correct | 134 [119,150] | |
Incorrect | 141 [125,154] | |
Self-rating of patient knowledge about goal blood pressure, n=333 | 0.20+ | |
1 = “I don’t know anything” | 133 [125,144] | |
2 = “I know a little amount” | 143 [119,154] | |
3= “I know a good amount” | 135 [122,149] | |
4= “I know a lot” | 132 [118,148] |
Rank sum used for categorical variables with two categories
K Wallis used for categorical variables with three or more categories