Public knowledge of chronic kidney disease evaluated using a validated questionnaire: a cross-sectional study

BMC Public Health

Table 3 Standard multiple regression analysis between CKD knowledge score and participant characteristics

Characteristics	β coefficient (95% CI)	p value
Age range (years)
18 – 29^a
30–49	−0.06 (−1.56 to 0.25)	0.16
50 +	0.04 (−0.57 to 1.43)	0.40
Education
Did not complete highest level of school^a
Completed highest level of school	0.01 (−0.99 to 1.28)	0.80
Diploma/Vocational	0.11 (0.10 to 2.14)	0.03
Higher degree or post graduate diploma/Bachelor degree	0.16 (0.58 to 2.79)	0.003
Occupation
Do not work^a
Unskilled/Labourer	−0.04 (−2.35 to 0.43)	0.18
Technical/Skilled	−0.01 (−1.27 to 1.10)	0.89
Sales/Clerical	−0.02 (− 1.23 to 0.67)	0.57
Professional/Managerial	0.06 (−0.32 to 1.64)	0.11
Other occupations	0.05 (−0.39 to 2.43)	0.16
Marital status
Single/Never married^a
Married/Common law, De-facto or Living with a partner	0.10 (0.21 to 1.80)	0.01
Divorced/Separated/Widowed	0.10 (0.28 to 2.48)	0.01
Family history of kidney failure
Yes vs No	0.08 (0.39 to 3.24)	0.01
Medical condition(s)/illness(es) that require regular medications
High blood pressure known as hypertension
Yes^a
No	−0.02 (−1.09 to 0.55)	0.52
I don’t know	−0.09 (−6.84 to 0.29)	0.07
Raised blood sugar known as diabetes
Yes^a
No	−0.09 (−2.54 to − 0.22)	0.02
I don’t know	−0.07 (−5.37 to 0.79)	0.15
Heart problems such as heart failure or heart attack
Yes^a
No	0.01 (−1.29 to 1.86)	0.73
I don’t know	0.03 (−2.31 to 4.22)	0.57
Personal history of stroke
Yes^a
No	−0.09 (−4.32 to 0.27)	0.08
I don’t know	−0.16 (−8.43 to −1.15)	0.01

^aReference; R² for the model = 0.095
Bold numbers indicate p-values which were found to be statistically significant in the multivaraiate analysis

ISSN: 1471-2458