Table 1.
Serum vitamin B12 levels in relation to the socio-demographic characteristics of study participants
| Characteristic | ≥ 240 pg/ml N = 200 (%) | < 240 pg/ml N = 80 (%) | Odds Ratio (95% C.I) | p-value |
|---|---|---|---|---|
| Sex |
|
|
|
|
|
Male |
112 (64.4) |
62 (35.6) |
1 |
|
|
Female |
88 (83.0) |
18 (17.0) |
0.35 (0.20-0.67) |
0.001 |
| Age |
|
|
|
|
|
≤ 40 |
168 (73.0) |
62 (27.0) |
1 |
|
|
41 - 60 |
28 (63.6) |
16 (36.4) |
1.55 (0.79-3.06) |
0.207 |
|
≥ 61 |
4 (66.7) |
2 (33.3) |
1.35 (0.24-7.58) |
0.73 |
| Residence |
|
|
|
|
|
Urban |
92 (74.2) |
32 (25.8) |
1 |
|
|
Rural |
108 (69.2) |
48 (30.8) |
1.28 (0.75 - 2.16) |
0.362 |
| Type of Residence |
|
|
|
|
|
Own |
151 (69.9) |
65 (30.1) |
1 |
|
|
Rented |
44 (77.2) |
13 (22.8) |
0.69 (0.35 - 1.36) |
0.281 |
|
Institutional |
5 (71.4) |
2 (28.6) |
0.93 (1.18 - 4.91) |
0.931 |
| Employment |
|
|
|
|
|
Yes |
79 (72.5) |
30 (27.5) |
1 |
|
|
No |
121 (70.8) |
50 (29.2) |
1.09 (1.64 - 1.86) |
0.757 |
| Marital Status |
|
|
|
|
|
Married |
48 (73.9) |
17 (26.1) |
1 |
|
|
Cohabiting |
9 (69.2) |
4 (30.8) |
1.25 (0.34 - 4.61) |
0.732 |
|
Single |
124 (70.1) |
53 (29.9) |
1.21 (0.64 - 2.29) |
0.565 |
|
Divorced |
11 (78.6) |
3 (21.4) |
0.77 (1.19 - 3.10) |
0.713 |
|
Widowed |
8 (72.7) |
3 (27.3) |
1.06 (0.25 - 4.46) |
0.938 |
| Religion |
|
|
|
|
|
Muslim |
34 (75.6) |
11 (24.5) |
1 |
|
|
Catholic |
64 (66.0) |
33 (34.0) |
1.6 (0.72 - 3.54) |
0.253 |
|
Anglican |
58 (74.4) |
20 (25.6) |
1.07 (0.46 - 2.49) |
0.883 |
|
Pentecostal |
38 (73.1) |
14 (26.9) |
1.14 (0.46 - 2.84) |
0.781 |
|
SDA |
6 (75.0) |
2 (25.0) |
1.03 (0.18 - 5.86) |
0.973 |
| Level of Education |
|
|
|
|
|
Secondary + above |
76 (71.7) |
30 (28.3) |
1 |
|
| Primary + below | 124 (71.3) | 50 (28.7) | 1.02 (0.60 - 1.74) | 0.938 |
C.I = Confidence Interval; SDA = Seventh Day Adventist.