Variables | Mean ± SD | p-value |
---|---|---|
Gender | ||
Male | 29.76 ± 8.52 | 0.331 |
Female | 28.46 ± 9.02 | |
Marital status | ||
Single | 37.33 ± 6.80 | < 0.001 |
Married | 29.87 ± 8.69 | |
Widow | 22.96 ± 5.23 | |
Education level | ||
Illiterate | 23.49 ± 5.66 | < 0.001 |
Primary education | 23.05 ± 7.11 | |
High school education | 32.58 ± 5.81 | |
Diploma | 36.59 ± 6.00 | |
University education | 46.25 ± 3.30 | |
Living in | ||
City | 30.39 ± 8.59 |  < 0.001 |
Rural | 23.53 ± 7.06 | |
Income | ||
< 10 million Rials | 28.50 ± 2.52 | < 0.001 |
10–20 million Rials | 24.33 ± 7.00 | |
20–30 million Rials | 28.48 ± 8.06 | |
> 30 million Rials | 36.14 ± 8.54 | |
History of renal transplantation | ||
Yes | 34.95 ± 5.97 | < 0.01 |
No | 28.50 ± 8.76 |