Landskrona | Trelleborg | |||||
---|---|---|---|---|---|---|
1978–1987 | 1988–1994 | 1995–2007 | 1978–1987 | 1988–1994 | 1995–2007 | |
N | 979 | 657 | 890 | 652 | 238 | 501 |
Geometric mean B-Pb (μg/l) | 49.7 | 30.9 | 18.4 | 46.5 | 28.2 | 18.2 |
Range | 14.0 – 249.6 | 11.0 – 122.7 | 5.7 – 79.8 | 14.0 – 162.4 | 10.0 – 68.0 | 6.1 – 62.0 |
>50 μg/l, N (%) | 488 (49.8) | 57 (8.7) | 15 (1.7) | 271 (41.6) | 11 (4.6) | 2 (0.4) |
Sex, N (%) | ||||||
Girl | 467 (47.7) | 355 (54.0) | 431 (48.4) | 344 (52.8) | 115 (48.3) | 259 (51.7) |
Boy | 512 (52.3) | 302 (46.0) | 459 (51.6) | 308 (47.2) | 123 (51.7) | 242 (48.3) |
School year, N (%) B-Pb range (μg/l) | ||||||
Preschool (4–7 years) | 77 (7.9) 21 – 84 | 0 (0.0) --- | 0 (0.0) --- | 0 (0.0) --- | 0 (0.0) --- | 0 (0.0) --- |
1st (8 years) | 42 (4.3) 24 – 88 | 140 (21.3) 12 – 73 | 111 (12.5) 6 – 55 | 146 (22.4) 14 – 162 | 29 (12.2) 16 – 68 | 80 (16.0) 7 – 40 |
2nd (9 years) | 164 (16.8) 14 – 129 | 303 (46.1) 11 – 122 | 352 (39.6) 6 – 72 | 151 (23.2) 16 – 115 | 93 (39.1) 10 – 67 | 175 (34.9) 6 – 49 |
3rd (10 years) | 150 (15.3) 15 – 102 | 214 (32.6) 13 – 68 | 410 (46.1) 6 – 80 | 137 (21.0) 15 – 124 | 116 (48.7) 12 – 64 | 246 (49.1) 8 – 62 |
Intermediate stage and senior levels (>10 years of age) | 546 (55.8) 16 – 250 | 0 (0.0) --- | 17 (1.9) 12 – 68 | 218 (33.4) 19 – 134 | 0 (0.0) --- | 0 (0.0) --- |
Smoking parents, N (%) | ||||||
Yes (mother/father or both) | 6 (0.6) | 367 (55.9) | 334 (37.5) | 66 (10.1) | 140 (58.8) | 240 (47.9) |
No | 2 (0.2) | 280 (42.6) | 376 (42.2) | 49 (7.5) | 98 (41.2) | 261 (52.1) |
Missing | 971 (99.2) | 10 (1.5) | 180 (20.2) | 537 (82.4) | 0 (0.0) | 0 (0.0) |
Potentially Pb-exposing hobby, N (%) | ||||||
Yes | 92 (9.4) | 126 (19.2) | 128 (14.4) | 81 (12.4) | 57 (23.9) | 66 (13.2) |
No | 887 (90.6) | 531 (80.8) | 762 (85.6) | 571 (87.6) | 181 (76.1) | 435 (86.8) |
Birth country, N (%) | ||||||
Nordic countries | 936 (95.6) | 622 (94.7) | 809 (90.9) | 623 (95.6) | 231 (97.1) | 461 (92.0) |
All other countries | 31 (3.2) | 35 (5.3) | 79 (8.9) | 21 (3.2) | 7 (2.9) | 40 (8.0) |
Missing | 12 (1.2) | 0 (0.0) | 2 (0.2) | 8 (1.2) | 0 (0.0) | 0 (0.0) |