Research Article

Nutritional Status of Patients on Maintenance Hemodialysis at Muhimbili National Hospital in Dar es Salaam, Tanzania: A Cross-Sectional Study

Table 1

Sample distribution, prevalence, and unadjusted odds of malnutrition in relation to the sociodemographic, hemodialysis-related, and clinical variables. N = 160.

CharacteristicsSample distribution nProportion malnourished nCrude odds ratio (COR) (95% CI) value

Sociodemographic characteristics
Age (years)
 18–39
 40–59
 ≥60

30 (18.8%)
75 (46.9%)
55 (34.3%)

21/30 (70%)
42/75 (56%)
35/55 (63.6%)

1
0.55 (0.22–1.35)
0.75 (0.29–1.95)

0.19
0.56
Gender
 Male
 Female

111 (69.4%)
49 (30.6%)

65/111 (58.6%)
33/49 (67.3%)

1
1.46 (0.72–2.96)


0.29
Marital status
 Living with a partner
 Single

136 (85.0%)
24 (15.0%)

79/136 (58.1%)
19/24 (79.2%)

1
2.74 (0.97–7.78)


0.06
Educational level
 Higher
 Secondary
 None or primary

62 (38.8%)
57 (35.6%)
41 (25.6%)

36/62 (58.1%)
33/57 (57.9%)
29/41 (70.7%)

1
0.99 (0.48–2.06)
1.75 (0.75–4.05)

0.99
0.19
Employment status
 Currently working
 Retired/stopped
 Not employed

24 (15.0%)
118 (73.8%)
18 (11.2%)

14/24 (58.3%)
70/118 (59.3%)
14/18 (77.8%)

1
1.04 (0.43–2.54)
2.5 (0.63–9.9)


0.33
Payment type
 Health insurance
 Cash payment

144 (90.0%)
16 (10.0%)

87/144 (60.4%)
11/16 (68.8%)

1
1.44 (0.48–4.37)


0.52

Hemodialysis-related factors and medical conditions
Duration on HD
 <1 year
 1–4 years
 >4 years

54 (33.7%)
92 (57.5%)
14 (8.8%)

22/54 (40.7%)
63/92 (68.5%)
13/14 (92.9%)

1
3.16 (1.57–6.36)
18.9 (2.3–155.2)



0.001
Frequency of HD
Thrice/week
Twice/week

132 (82.5%)a28 (17.5%)

78/132 (59.1%)
20/28 (71.4%)

1
1.73 (0.71–4.22)


0.23
Vascular access
 AV fistula
 Dialysis catheter

76 (47.5%)
84 (52.5%)

48/76 (63.2%)
50/84 (59.5%)

1
0.86 (0.45–1.62)


0.64
Dialysis adequacy
 Adequate
 Inadequate

122 (76.2%)
38 (23.8%)

74/122 (60.7%)
24/38 (63.2%)

1
1.11 (0.52–2.36)


0.78
Diabetes mellitus
 Present
 Absent

69 (43.1%)
91 (56.9%)

47/69 (68.1%)
51/91 (56.0%)

1.68 (0.87–3.22)
1


0.12
Hypertension
 Present
 Absent

154 (96.2%)
6 (3.8%)

94/154 (61.0%)
4/6 (66.7%)

0.78 (0.14–4.41)
1


0.78
Hepatitis B infection
 Present
 Absent

9 (5.6%)
151 (94.4%)

6/9 (66.7%)
92/151 (60.9%)

1.28 (0.31–5.33)
1


0.73
HIV infection
 Present
 Absent

15 (9.4%)
145 (90.6%)

12/15 (80.0%)
86/145 (59.3%)

2.74 (0.74–10.1)
1


0.13

COR: crude/unadjusted odds ratio; CI: confidence interval.