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Table 2 Demographic characteristics of patients by number of correct answers on kidney disease related knowledge questions

From: Limited knowledge of chronic kidney disease among primary care patients – a cross-sectional survey

 

<4 correct answers

≥4 correct answers

Total (N = 1435)

p-value*

 

No (%)

No (%)

No

 

Age (year)

   

<0.001

 < 40

144 (35.9)

257 (64.1)

401

 

 40-60

319 (45.9)

376 (54.1)

695

 

 > 60

193 (56.9)

146 (43.1)

339

 

Gender

   

0.550

 Male

331 (45.5)

396 (54.5)

727

 

 Female

320 (45.6)

381 (54.4)

701

 

Missing

  

7

 

Ethnicity

   

<0.001

 Chinese

425 (41.6)

597 (58.4)

1022

 

 Malay

122 (54.2)

103 (45.8)

225

 

 Indian

90 (62.1)

55 (37.9)

145

 

 Others

19 (45.2)

23 (54.8)

42

 

Missing

  

1

 

Education

   

<0.001

 Up to primary

205 (66.3)

104 (33.7)

309

 

 Secondary

293 (50.3)

289 (49.7)

582

 

 Above secondary

154 (28.6)

384 (71.4)

538

 

Missing

  

6

 

Occupation

   

<0.001

 Professional and executive

50 (22.0)

177 (78.0)

227

 

 Non-Professional

601 (50.1)

598 (49.9)

1199

 

Missing

  

9

 

Income (S$)

   

<0.001

 < 2000

391 (55.7)

311 (44.3)

702

 

 2000 - 4999

169 (37.2)

285 (62.8)

454

 

 ≥ 5000

35 (19.1)

148 (80.9)

183

 

Missing

  

96

 

Marital status

   

<0.001

 Married

499 (47.1)

561 (52.9)

1060

 

 Single

108 (37.0)

184 (63.0)

292

 

 Divorced /separated/Widowed

49 (59.0)

34 (41.0)

83

 

Missing

  

100

 

Religion

    

 Buddhism #

213 (47.0)

240 (53.0)

453

<0.001

 Christianity **

95 (33.3)

190 (66.7)

285

 

 Islam

160 (54.6)

133 (45.4)

293

 

 Others

187 (46.8)

213 (53.3)

400

 

Missing

  

4

 

Nationality

   

<0.001

 Singapore citizen

593 (44.3)

745 (55.7)

1338

 

 Permanent resident

55 (65.5)

29 (34.5)

84

 

 Foreigner

6 (75.0)

2 (25.0)

8

 

Missing

  

15

 

Presence of children

   

0.038

 Yes

302 (48.9)

316 (51.1)

618

 

 No

348 (43.3)

455 (56.7)

803

 

Missing

  

14

 

Presence of chronic diseases

   

0.007

 Yes

499 (47.9)

543 (52.1)

1042

 

 No

124 (39.2)

192 (60.8)

316

 

Missing

  

77

 
  1. *All tests are carried out using chi-square tests.
  2. # Buddhists were significantly (p =0.003) more knowledgeable than Muslims.
  3. ** Christians were significantly more knowledgeable than Muslims (p < 0.0001) and Others (p = 0.002).