Table 4 Relationship of urinary iodine concentration with various parameters
| Â | Urinary Iodine Concentration [n (%)] | P value | ||||
|---|---|---|---|---|---|---|
< 150(μg/L) | 150–249(μg/L) | 250–499(μg/L) | ≥500(μg/L) | TOTAL | ||
Age group (years) | Â | Â | Â | Â | Â | 0.801 |
  < 20 | 7 (41.2%) | 9 (52.9%) | 1 (5.9%) | 0 (0.0%) | 17 (100%) |  |
 20–25 | 44 (55.0%) | 20 (25.0%) | 15 (18.8%) | 1 (1.3%) | 80 (100%) |  |
 26–30 | 36 (42.4%) | 30 (35.3%) | 19 (22.4%) | 0 (0.0%) | 85 (100%) |  |
 31–35 | 15 (46.9%) | 9 (28.1%) | 8 (25.0%) | 0 (0.0%) | 32 (100%) |  |
 36–40 | 9 (45.0%) | 3 (15.0%) | 8 (40.0%) | 0 (0.0%) | 20 (100%) |  |
  > 40 | 2 (40.0%) | 2 (40.0%) | 0 (0.0%) | 1 (20.0%) | 5 (100%) |  |
Trimester | Â | Â | Â | Â | Â | 0.755 |
 First | 23 (43.4%) | 22 (41.5%) | 8 (15.1%) | 0 (0.0%) | 53 (100%) |  |
 Second | 33 (44.6%) | 19 (25.7%) | 22 (29.7%) | 0 (0.0%) | 74 (100%) |  |
 Third | 57 (50.9%) | 32 (28.6%) | 21 (18.8%) | 2 (1.8%) | 112 (100%) |  |
Education | Â | Â | Â | Â | Â | 0.445 |
 None | 41 (54.0%) | 21 (27.6%) | 13 (17.1%) | 1 (1.3%) | 76 (100%) |  |
 Primary | 17 (54.8%) | 8 (25.8%) | 5 (16.1%) | 1 (3.2%) | 31 (100%) |  |
 JHS | 24 (40.0%) | 25 (41.7%) | 11 (18.3%) | 0 (0.0%) | 60 (100%) |  |
 SHS | 19 (42.2) | 13 (28.9%) | 13 (28.9%) | 0 (0.0%) | 45 (100%) |  |
 Tertiary | 12 (44.4%) | 6 (22.2%) | 9 (33.3%) | 0 (0.0%) | 27 (100%) |  |
Gravidity | Â | Â | Â | Â | Â | 0.562 |
  < 3 | 62 (48.1%) | 37 (28.7%) | 29 (22.5%) | 1 (0.8%) | 129 (100%) |  |
 3–5 | 43 (47.8%) | 26 (28.9%) | 20 (22.2%) | 1 (1.1%) | 90 (100%) |  |
  > 5 | 8 (40.0%) | 10 (50.0%) | 2 (10.0%) | 0 (0.0%) | 20 (100%) |  |
Use Of Iodised Salt | Â | Â | Â | Â | 0.115 | |
 Yes | 46 (42.2%) | 34 (31.2%) | 28 (25.7%) | 1 (0.9%) | 109 (100%) |  |
 No | 67 (51.5%) | 39 (30.0%) | 23 (17.7%) | 1 (0.8%) | 130 (100%) |  |
Thyroid volume (ml) | Â | Â | Â | Â | 0.028 | |
  ≤ 18 | 108 (46.6%) | 72 (31.0%) | 50 (21.6%) | 2 (0.9%) | 232 (100%) |  |
  > 18 | 5 (71.4%) | 1 (14.3%) | 1 (14.3%) | 0 (0.0%) | 7 (100%) |  |