Table 4 Relation between agricultural activities and birth weight and FGR status (n = 3159)
Birth weight (g)a | FGR (n = 172)b | |||||||
|---|---|---|---|---|---|---|---|---|
Variable | N | Number of municipalities | Mean (95% CI) | P-trend | Control | Case | OR (95% CI) | P-trend |
Level of urbanization | ||||||||
Urban | 660 | 7 | 3399 (3343-3455) | 0.28 | 616 | 28 | Ref | 0.15 |
Rural | 2499 | 529 | 3381 (3332-3430) | 2314 | 144 | 1.4 (0.9-2.1) | ||
In rural municipalities | ||||||||
Percentage of area used agriculturally | ||||||||
Low | 1039 | 177 | 3381 (3325-3438) | 0.36 | 956 | 65 | Ref | 0.87 |
Medium | 817 | 174 | 3375 (3317-3433) | 759 | 43 | 0.9 (0.6-1.4) | ||
High | 643 | 178 | 3363 (3303-3423) | 599 | 36 | 1.0 (0.6-1.5) | ||
Percentage of area used for corn | ||||||||
Low | 990 | 183 | 3382 (3325-3438) | 0.35 | 913 | 59 | Ref | 0.61 |
Medium | 816 | 172 | 3375 (3316-3433) | 759 | 45 | 1.0 (0.7-1.6) | ||
High | 693 | 174 | 3364 (3305-3423) | 642 | 40 | 1.1 (0.7-1.7) | ||
Percentage of area used for wheat | ||||||||
Low | 769 | 186 | 3375 (3319-3432) | 0.66 | 714 | 45 | Ref | 0.66 |
Medium | 842 | 172 | 3382 (3325-3439) | 777 | 50 | 1.2 (0.8-1.8) | ||
High | 888 | 171 | 3368 (3311-3424) | 823 | 49 | 1.1 (0.7-1.7) | ||
Colza crop | ||||||||
No | 387 | 95 | 3391 (3327-3454) | 0.35 | 364 | 19 | Ref | 0.14 |
Yes | 2112 | 434 | 3370 (3316-3424) | 1950 | 125 | 1.5 (0.9-2.5) | ||
Pea crop | ||||||||
No | 962 | 273 | 3381 (3325-3437) | 0.47 | 895 | 50 | Ref | 0.12 |
Yes | 1537 | 256 | 3369 (3314-3425) | 1419 | 94 | 1.3 (0.9-1.9) | ||
Potato crop | ||||||||
No | 1340 | 282 | 3374 (3318-3430) | 0.95 | 1239 | 74 | Ref | 0.94 |
Yes | 1159 | 247 | 3375 (3319-3431) | 1075 | 70 | 1.0 (0.7-1.4) | ||
Vegetable crop | ||||||||
No | 904 | 211 | 3389 (3331-3447) | 0.19 | 846 | 46 | Ref | 0.59 |
Yes | 1595 | 318 | 3368 (3314-3423) | 1468 | 98 | 1.1 (0.8-1.6) | ||