Table 2. Tibia lead, patella lead, and blood lead levels stratified by participant characteristics (age, alcohol intake, period, and current smoking status), subject number =746, observation number=1377.
| Median (Q1, Q3)* | ||||
|---|---|---|---|---|
| Age (years) | 1st tertile (48.3-65.7, mean 61.1) | Tibia | Patella | Blood |
| 15 (11, 21) | 22 (15, 31) | 5 (3, 7) | ||
| 2nd tertile (65.7-72.2, mean 68.9) | 20 (13, 28) | 27 (18, 39) | 5 (3, 7) | |
| 3rd tertile (72.2-93.9, mean 77.3) | 22 (16, 31) | 29 (19, 43) | 5 (3, 6) | |
| Alcohol intake (gm/day) | Non-drinker (N=354) | 19 (13, 28) | 27 (18, 38) | 4 (3, 6) |
| Light drinker (0-10.97, mean 4.58; N=511) | 20 (13, 26) | 25 (16, 37) | 4 (3, 6) | |
| Heavier drinker (10.97-37.81, mean 29.79; N=512) | 19 (12, 27) | 27 (17, 37) | 5 (4, 7) | |
| Period (year) | Before Jun.13, 1995 (N=691) | 20 (14, 28) | 27 (19, 40) | 5 (4, 8) |
| After Jun.13, 1995 (N=686) | 19 (12, 26) | 24 (15, 35) | 4 (3, 6) | |
| Current smoking status (yes or no) | Yes (5.9%) | 17 (12, 29) | 30 (19, 40) | 6 (4, 9) |
| No (94.1%) | 19 (13, 27) | 26 (17, 37) | 5 (3, 7) | |
| Smoking status (ever or never) | Ever smoker (67%) | 20 (14, 27) | 27 (17, 37) | 5 (3, 7) |
| Never smoker (33%) | 18 (11, 26) | 23 (16, 34) | 4 (3, 6) | |
*
values are based on the 1377 observations