| Aged 16 and over with
a valid sample |
|
|
|
|
|
|
1999 |
|
| Ferritin (ng/ml) |
Minority ethnic group
|
|
|
|
General
population
(1998)a |
| |
Black |
|
|
|
|
|
| |
Caribbean |
Indian |
Pakistani |
Bangladeshi |
Chinese |
Irish |
|
| Men |
|
|
|
|
|
|
|
|
| Observed |
|
|
|
|
|
|
|
| Mean |
114.3 |
84.2 |
86.0 |
94.8 |
193.4 |
131.6 |
110.8 |
| Standard error of the mean |
5.52 |
3.82 |
3.22 |
4.16 |
11.55 |
6.42 |
1.49 |
| Median |
90.1 |
65.5 |
69.8 |
78.1 |
157.8 |
103.0 |
89.0 |
| % < lowest quintile value |
24.7 |
34.2 |
27.9 |
21.9 |
9.2 |
16.4 |
20.6 |
|
| Standardised |
| Mean ferritin: ratio of
means |
1.02 |
0.79 |
0.83 |
0.94 |
1.84 |
1.21 |
1 |
| Standard error of the ratio |
0.06 |
0.03 |
0.03 |
0.04 |
0.15 |
0.06 |
| % < lowest quintile value
(risk ratio) |
1.36 |
1.56 |
1.26 |
0.87 |
0.48 |
0.81 |
1 |
| Standard error of the ratio |
0.15 |
0.12 |
0.12 |
0.12 |
0.13 |
0.13 |
|
|
| Women |
|
|
|
|
|
|
|
|
| Observed |
| Mean |
53.2 |
33.5 |
36.9 |
34.0 |
74.7 |
61.8 |
53.6 |
| Standard error of the mean |
2.80 |
2.75 |
3.26 |
2.57 |
6.76 |
3.74 |
0.78 |
| Median |
37.0 |
23.0 |
22.0 |
23.0 |
52.0 |
43.0 |
39.0 |
| % < lowest quintile value |
23.5 |
44.5 |
46.2 |
41.7 |
16.4 |
19.1 |
20.2 |
|
| Standardised |
| Mean ferritin: ratio of
means |
1.09 |
0.74 |
0.91 |
0.75 |
1.64 |
1.19 |
1 |
| Standard error of the ratio |
0.05 |
0.06 |
0.10 |
0.06 |
0.13 |
0.08 |
| % < lowest quintile value
(risk ratio) |
1.06 |
1.90 |
1.90 |
1.55 |
0.66 |
0.98 |
1 |
| Standard error of the ratio |
0.10 |
0.13 |
0.15 |
0.16 |
0.13 |
0.11 |
|
|
|
| Bases (weighted): |
| Men |
199 |
365 |
178 |
53 |
47 |
951 |
a |
| Women |
247 |
339 |
155 |
38 |
54 |
1269 |
a |
|
| Bases (unweighted): |
| Men |
283 |
387 |
304 |
199 |
148 |
326 |
4892 |
| Women |
359 |
358 |
265 |
153 |
170 |
438 |
5378 |
|
