Table 2.
Median knowledge score towards prevention of chronic kidney disease of 374 patients with hypertension
| Variables | Total N = 374 (%) |
Median knowledge scorea [Q1-Q3] |
Mean rank | P-valueb |
|---|---|---|---|---|
| Gender | ||||
| Male | 131 (35%) | 20 [16–23] | 186.3 | 0.877c |
| Female | 243 (65%) | 19 [15–23] | 188.1 | |
| Age (years) | ||||
| < 65 | 247 (66) | 20 [16–23] | 201.1 | 0.001 c |
| ≥ 65 | 127 (34) | 19 [14–21] | 161.1 | |
| Residency | ||||
| Village | 56 (15%) | 20 [15–24] | 187.5 | |
| City | 301 (80.5%) | 19 [16–23] | 185.5 | 0.056d |
| Refugee camp | 17 (4.5%) | 22 [18–24] | 223.9 | |
| Employment | ||||
| Employed | 98 (26.2%) | 21 [16–24] | 198.2 | 0.252c |
| Unemployed | 276 (73.8%) | 19 [16–23] | 183.7 | |
| Body Mass Index | ||||
| Normal | 38 (10.2%) | 22 [17–24] | 212.5 | |
| Overweight | 134 (35.8%) | 18 [14–21] | 155.2 | < 0.001 d |
| Obese | 202 (54%) | 21 [17–23] | 204.3 | |
| Marital status | ||||
| Married | 296 (79.1%) | 20 [16–23] | 184.9 | 0.807c |
| Unmarried | 78 (20.9%) | 20 [13–23] | 188.2 | |
| Monthly income (NIS e) | ||||
| Low (Less than 2000] | 230 (61.5%) | 19 [15–23] | 180.9 | |
| Moderate (2000–5000) | 129 (34.5%) | 20 [16–23] | 194.9 | 0.669d |
| High (More than 5000) | 15 (4%) | 22 [18–23] | 225.1 | |
| Education Level | ||||
| Uneducated | 22 (5.9) | 19 [10–21] | 140.6 | |
| Primary school | 90 (24.1) | 17 [12–22] | 157.7 | 0.011 d |
| High school | 188 (50.3) | 20 [17–23] | 195.4 | |
| University | 74 (19.8) | 21 [18–24] | 217.6 | |
| Hypertension Duration (year) | ||||
| < 1 | 13 (3.5%) | 21 [18–23] | 200.7 | |
| 1–3 | 93 (24.9%) | 20 [15–23] | 180.1 | 0.538d |
| 4–5 | 69 (18.4%) | 18 [15–23] | 176.0 | |
| ≥ 5 | 199 (53.2%) | 20 [16–23] | 194.1 | |
| Therapy type | ||||
| Mono therapy | 174 (46.5%) | 20 [15–23] | 183.9 | 0.549c |
| Multi therapy | 200 (53.5%) | 20 [16–23] | 190.6 | |
| Total number of medications | ||||
| < 4 | 125 (33.4) | 20 [16–22] | 169.2 | 0.020 c |
| ≥ 4 | 249 (66.6) | 20 [15–23] | 196.7 | |
| Total number of comorbid diseases | ||||
| 0 | 79 (21.1%) | 20 [16–23] | 190.9 | |
| 1 | 82 (21.9%) | 20 [15–23] | 183.4 | |
| 2 | 144 (38.5%) | 20 [17–24] | 196.8 | 0.446d |
| 3 | 54 (14.4%) | 19 [14–23] | 173.7 | |
| ≥ 4 | 15 (4.1%) | 17 [13–21] | 152.6 | |
aKnowledge scale was a dichotomous scale of 30 items (range 0–30, high score meaning more correct and better knowledge)
bThe p-values are bold where they are less than the significance level cut-off of 0.05
cStatistical significance of differences calculated using the Mann-Whitney U test
dStatistical significance of differences calculated using the Kruskal-Wallis test
e1 new Israeli shekel (NIS) equals 0.279 US Dollar