Table 1 β-HCH (ng/g lipid) GM and GMRs by individual characteristics of the population
Geometric mean | GMRa | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % | Mean | 95%CI | Crude | 95%CI | Adjusted b | 95%CI | ||||||||
Total | 602 | 100.0 | 72 | 65 | – | 79 | – | – | – | – | – | – | – | – | |
Gender | M | 310 | 51.5 | 68 | 60 | – | 78 | 1.00 | 1.00 | ||||||
F | 292 | 48.5 | 76 | 66 | – | 88 | 1.12 | 0.92 | – | 1.36 | 1.21 | 1.03 | – | 1.43 | |
Age class (years) | 0–18 | 66 | 11.0 | 23 | 18 | – | 30 | 1.00 | 1.00 | ||||||
19–29 | 60 | 10.0 | 39 | 30 | – | 50 | 1.70 | 1.19 | - | 2.42 | 1.70 | 1.19 | - | 2.43 | |
30–39 | 86 | 14.3 | 42 | 33 | – | 52 | 1.81 | 1.31 | - | 2.51 | 1.84 | 1.33 | - | 2.55 | |
40–49 | 133 | 22.1 | 66 | 55 | – | 79 | 2.88 | 2.13 | - | 3.89 | 2.86 | 2.12 | - | 3.87 | |
50–59 | 96 | 15.9 | 110 | 93 | – | 130 | 4.79 | 3.48 | - | 6.60 | 4.77 | 3.47 | - | 6.56 | |
60–69 | 110 | 18.3 | 135 | 109 | – | 166 | 5.88 | 4.31 | - | 8.02 | 5.95 | 4.36 | - | 8.11 | |
> = 70 | 51 | 8.5 | 234 | 180 | – | 303 | 10.20 | 7.03 | - | 14.81 | 10.60 | 7.30 | - | 15.39 | |
BMI c | Normal/underweight | 200 | 33.2 | 43 | 37 | – | 50 | 1.00 | 1.00 | ||||||
Overweight | 214 | 35.5 | 79 | 67 | – | 93 | 1.84 | 1.47 | - | 2.30 | 1.35 | 1.11 | - | 1.65 | |
Obese | 188 | 31.2 | 110 | 94 | – | 130 | 2.57 | 2.04 | - | 3.23 | 1.72 | 1.39 | - | 2.12 | |
Educational level d | Low | 153 | 25.4 | 117 | 93 | – | 147 | 1.00 | 1.00 | ||||||
Medium | 408 | 67.8 | 61 | 55 | – | 68 | 0.52 | 0.42 | - | 0.65 | 0.69 | 0.55 | - | 0.87 | |
High | 41 | 6.8 | 55 | 41 | – | 73 | 0.47 | 0.31 | - | 0.70 | 0.69 | 0.47 | – | 1.02 | |
Family size (people) | 1 | 69 | 11.5 | 76 | 58 | – | 99 | 1.00 | 1.00 | ||||||
2 | 126 | 20.9 | 103 | 84 | – | 127 | 1.37 | 0.96 | – | 1.95 | 1.26 | 0.94 | – | 1.71 | |
3 | 66 | 11.0 | 71 | 52 | – | 96 | 0.93 | 0.62 | – | 1.40 | 1.32 | 0.93 | – | 1.87 | |
> = 4 | 341 | 56.6 | 62 | 55 | – | 71 | 0.82 | 0.60 | – | 1.12 | 1.32 | 1.01 | - | 1.74 | |
Having a relative with high β-HCH levels (> 150 ng/g lipids) | No | 329 | 54.7 | 50 | 45 | – | 56 | 1.00 | 1.00 | ||||||
Yes | 273 | 45.3 | 111 | 96 | – | 128 | 2.21 | 1.83 | - | 2.65 | 2.45 | 2.11 | - | 2.85 | |
Breast feeding (in the last 15 years, limited to women aged between 19 and 59 yrs) | No | 541 | 89.9 | 75 | 68 | – | 84 | 1.00 | 1.00 | ||||||
Yes | 61 | 10.1 | 46 | 36 | – | 59 | 0.61 | 0.45 | - | 0.85 | 0.64 | 0.47 | - | 0.88 | |
Eating local/own production food | No | 144 | 23.9 | 49 | 41 | – | 58 | 1.00 | 1.00 | ||||||
Yes | 458 | 76.1 | 81 | 72 | – | 91 | 1.65 | 1.32 | - | 2.07 | 1.72 | 1.43 | - | 2.08 | |
Washing with water from private wells | No | 308 | 51.2 | 58 | 51 | – | 66 | 1.00 | 1.00 | ||||||
Yes | 294 | 48.8 | 89 | 78 | – | 103 | 1.54 | 1.27 | - | 1.86 | 1.71 | 1.46 | - | 2.00 | |
Drinking water from private wells | No | 545 | 90.5 | 69 | 62 | – | 76 | 1.00 | 1.00 | ||||||
Yes | 57 | 9.5 | 110 | 83 | – | 145 | 1.60 | 1.15 | - | 2.22 | 1.88 | 1.43 | - | 2.48 | |
Cooking with water from private wells | No | 346 | 57.5 | 63 | 55 | – | 71 | 1.00 | 1.00 | ||||||
Yes | 256 | 42.5 | 86 | 74 | – | 100 | 1.38 | 1.14 | - | 1.68 | 1.56 | 1.33 | - | 1.84 | |
Irrigating with water from private wells | No | 275 | 45.7 | 59 | 51 | – | 68 | 1.00 | 1.00 | ||||||
Yes | 327 | 54.3 | 85 | 74 | – | 97 | 1.43 | 1.18 | - | 1.74 | 1.59 | 1.36 | - | 1.87 | |