Table 2 Multivariable analysis of the factors associated with deficient UIC, as per ioduria < 100 or < 60 μg/L, CoLaus|PsyCoLaus study, 2003–2006, Lausanne, Switzerland.
< 100 μg/L | p-value | < 60 μg/L | p-value | |
|---|---|---|---|---|
Age categories | ||||
[35–45] | 1 (ref.) | 1 (ref.) | ||
[45–55] | 1.23 (1.06; 1.43) | 0.007 | 0.82 (0.65; 1.04) | 0.101 |
[55–65] | 1.39 (1.18; 1.63) | < 0.001 | 1.15 (0.91; 1.46) | 0.255 |
[65–75] | 1.54 (1.24; 1.90) | < 0.001 | 0.99 (0.72; 1.38) | 0.974 |
P for trend, age categories | < 0.001 | 0.550 | ||
Women vs. men | 1.64 (1.45; 1.85) | < 0.001 | 2.33 (1.91; 2.84) | < 0.001 |
In couple vs. living alone | 0.97 (0.86; 1.09) | 0.600 | 1.04 (0.86; 1.24) | 0.709 |
Job type | ||||
High | 1 (ref.) | 1 (ref.) | ||
Middle | 1.01 (0.83; 1.23) | 0.907 | 0.95 (0.70; 1.28) | 0.715 |
Low | 1.01 (0.82; 1.25) | 0.913 | 0.93 (0.66; 1.30) | 0.669 |
Not working | 1.09 (0.88; 1.36) | 0.414 | 0.95 (0.68; 1.33) | 0.780 |
Smoking status | ||||
Never | 1 (ref.) | 1 (ref.) | ||
Former | 0.99 (0.87; 1.13) | 0.891 | 0.92 (0.75; 1.12) | 0.388 |
Current | 0.86 (0.75; 0.99) | 0.041 | 0.91 (0.74; 1.13) | 0.393 |
BMI categories | ||||
Underweight | 1.39 (0.92; 2.10) | 0.119 | 1.28 (0.73; 2.26) | 0.388 |
Normal | 1 (ref.) | 1 (ref.) | ||
Overweight | 0.80 (0.71; 0.91) | 0.001 | 0.73 (0.60; 0.89) | 0.002 |
Obese | 0.66 (0.55; 0.78) | < 0.001 | 0.63 (0.48; 0.83) | 0.001 |
P for trend, BMI categories | < 0.001 | 0.010 | ||
Hypertension (yes vs. no) | 1.41 (1.24; 1.60) | < 0.001 | 1.55 (1.27; 1.89) | < 0.001 |
Thyroid supplementation (yes vs. no) | 0.48 (0.33; 0.70) | < 0.001 | 0.39 (0.21; 0.76) | 0.005 |
