Table 5 Comparison of the positive ADHD symptom rates between high (N = 68) and low BLLs (N = 175) groups
Items | BLLs ≥ 10 ug/dL % (n) | BLLs < 10 ug/dL % (n) | χ 2 | p | OR (95% CI) |
|---|---|---|---|---|---|
Inattention subscale | |||||
1. Fails to pay attention | 30.9 (21) | 22.3 (39) | 1.946 | 0.163 | 1.6 (0.8–2.9) |
2. Difficult to sustain attention | 29.4 (20) | 14.3 (25) | 7.426 | 0.006 | 2.5 (1.3–4.9) |
3. Does not seem to listen | 23.5 (16) | 14.3 (25) | 2.983 | 0.084 | 1.8 (0.9–3.7) |
4. Does not follow through | 14.7 (10) | 8.6 (15) | 1.997 | 0.158 | 1.8 (0.8–4.3) |
5. Difficulty organizing | 13.2 (9) | 6.9 (12) | 2.523 | 0.112 | 2.1 (0.8–5.2) |
6. Avoids mental effort | 23.5 (16) | 12.6 (22) | 4.457 | 0.035 | 2.1 (1.1–4.4) |
7. Loses things | 35.3 (24) | 17.1 (30) | 9.335 | 0.002 | 2.6 (1.4–5.0) |
8. Easily distracted | 42.6 (29) | 21.7 (38) | 10.745 | 0.001 | 2.7 (1.5–4.9) |
9. Forgetful | 23.5 (16) | 12.0 (21) | 5.043 | 0.025 | 2.3 (1.1–4.6) |
Hyperactivity/Impulsivity subscale | |||||
10. Fidgets | 52.9 (36) | 25.7 (45) | 16.336 | 0.000 | 3.3 (1.8–5.8) |
11. Leaves seat | 20.6 (14) | 10.3 (18) | 4.546 | 0.033 | 2.3 (1.1–4.9) |
12. Runs about | 26.5 (18) | 9.1 (16) | 12.218 | 0.000 | 3.6 (1.7–7.5) |
13. Has difficulty playing | 19.1 (13) | 9.1 (16) | 4.636 | 0.031 | 2.3 (1.1–5.2) |
14. Is “on the go” | 36.8 (25) | 21.7 (38) | 5.776 | 0.016 | 2.1 (1.1–3.9) |
15. Talks excessively | 35.3 (24) | 18.3 (32) | 7.988 | 0.005 | 2.4 (1.3–4.6) |
16. Blurts out answer | 13.2 (9) | 6.3 (11) | 3.131 | 0.077 | 2.3 (0.9–5.8) |
17. Difficulty waiting turn | 17.6 (12) | 5.7 (10) | 8.469 | 0.004 | 3.5 (1.4–8.6) |
18. Interrupts or intrudes | 19.1 (13) | 12.6 (22) | 1.702 | 0.192 | 1.6 (0.8–3.5) |