Table 2 Mothers’ data characterization (n = 691)
From: Assessment of iodine importance and needs for supplementation in school-aged children in Portugal
|  | Total (n = 691) | Health study/work area (n = 107; 15.5%) | Others study/work area (n = 584; 84.5%) | χ2 | Φ |
|---|---|---|---|---|---|
Knowledge about iodine… | Correct = 516 (74.7%) Incorrect = 41 (5.9%) Do not know = 134 (19.4%) | Correct = n = 97 (90.6%) Incorrect = 2 (1.9%) Do not know = 8 (7.5%) | Correct = 419 (71.7%) Incorrect = 39 (6.7%) Do not know = 126 (21.6%) | 17.095 | 0.157 |
Function of iodine… | Correct = 121 (17.5%) Incorrect = 348 (50.4%) Do not know = 570 (32.1%) | Correct = 35 (32.7%) Incorrect = 50 (46.7%) Do not know = 22 (20.6%) | Correct = 86 (14.7%) Incorrect = 298 (51.0%) Do not know = 200 (34.3%) | 20.249 | 0.171 |
Iodine supplementation… | Yes = 110 (15.9%) No = 8 (1.2%) Do not know = 573 (82.9%) | Yes = 22 (20.6%) No = 0 (0.0%) Do not know = 85 (79.4%) | Yes = 88 (15%) No = 8 (1.4%) Do not know = 488 (83.6%) | 2.038 | 0.054 |