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Table 1 Socio-demographic characteristic of participants

From: Development and double cross-validation of new spot urine sodium equation to predict 24-h urine sodium in the Malaysian population

  Study population
(N = 768)
Group 1
(n = 378)
Group 2
(n = 390)
p value
Sex, n (%)
 Male
 Female
340 (42.5)
460 (57.5)
152 (40.2)
226 (59.8)
175 (44.9)
215 (55.1)
0.078
Strata, n (%)
 Urban
 Rural
308 (40.1)
460 (59.9)
158 (41.6)
220 (58.2)
150 (39.5)
240 (61.5)
0.189
Ethnicity, n (%)
 Malay
 Chinese
 Indian
 Bumiputra Sabah
 Bumiputra Sarawak
 Others
491 (63.9)
81 (10.5)
43 (5.6)
79 (10.3)
62 (8.1)
12 (1.5)
232 (61.4)
42 (11.1)
18 (4.8)
45 (11.9)
34 (9.0)
7 (1.9)
259 (66.4)
39 (10.0)
25 (6.4)
34 (8.7)
28 (7.2)
5 (1.3)
0.410
Age, mean (sd) 49.08 (15.1) 48.59 (15.4) 49.55 (14.9) 0.371
Marital status, n (%)
 Never married
 Married
 Separated
 Widowed
89 (11.6)
569 (74.1)
23 (3.0)
86 (11.2)
45 (11.9)
276 (73.0)
12 (3.2)
45 (11.9)
44 (11.3)
293 (75.1)
11 (2.8)
42 (10.5)
0.935
Education attainment, n (%)
 None
 Primary education
 Secondary education
 Tertiary education
84 (8.3)
160 (20.8)
367 (47.8)
177 (23.0)
33 (8.7)
82 (21.7)
181 (47.9)
82 (21.7)
31 (7.9)
78 (20.0)
166 (47.7)
95 (24.4)
0.788