Table 2 Infants' cotinine creatinine ratios (microgram/mmol) in urine during the period of 7 days
Subject no. | Sex | Age (month) | Cotinine creatinine ratio (microgram/mmol) in infants' urine | Indoor - outdoor smoking | No. of smokers in home | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
mon | tue | wed | thu | fri | sat | sun | mean | sd | |||||
1 | F | 2 | 165,93 | 664,62 | 570,83 | 937,50 | 290,00 | 470,67 | 489,23 | 512,68 | 251,36 | indoor | 2 |
2 | F | 3 | 20,41 | 20,83 | 22,34 | 38,46 | 22,73 | * | 17,86 | 23,77 | 7,40 | outdoor | 2 |
3 | F | 4 | * | * | * | * | * | * | * | - | - | outdoor | 1 |
4 | F | 6 | 11,64 | 20,37 | 22,05 | 14,04 | 14,77 | 12,30 | 18,57 | 16,25 | 4,08 | outdoor | 2 |
5 | F | 6 | 5,71 | 6,17 | 16,95 | 13,51 | 10,99 | 13,33 | 8,26 | 10,71 | 4,19 | outdoor | 1 |
6 | M | 6 | 8,95 | 6,91 | 8,70 | 5,45 | - | - | - | 7,50 | 1,64 | outdoor | 1 |
7 | F | 7 | 42,15 | 87,80 | 42,86 | * | * | 80,88 | 175,74 | 85,89 | 54,47 | outdoor | 1 |
8 | M | 8 | 32,70 | 44,35 | 36,59 | 23,28 | 26,44 | 29,68 | 25,66 | 31,24 | 7,33 | indoor | 2 |
9 | F | 8 | 39,76 | 41,57 | 32,63 | 29,89 | 112,17 | 77,33 | 157,14 | 70,07 | 48,57 | indoor | 2 |
10 | M | 8 | 16,67 | 10,05 | 13,41 | 17,81 | 18,98 | * | * | 15,38 | 3,63 | indoor | 2 |
11 | F | 11 | 33,33 | 24,20 | 80,41 | * | 26,53 | * | 31,06 | 39,11 | 23,37 | indoor | 2 |
12 | M | 11 | 8,10 | 13,21 | 22,18 | 25,40 | 125,00 | 20,33 | 6,08 | 31,47 | 41,87 | indoor | 1 |
13 | F | 12 | 18,52 | 32,31 | 32,66 | 85,29 | 40,22 | 8,22 | 200,00 | 59,60 | 66,51 | indoor | 2 |
14 | M | 13 | 1,31 | 3,48 | 5,62 | 2,62 | 2,13 | 1,98 | 3,52 | 2,95 | 1,42 | outdoor | 1 |
15 | M | 18 | 2,94 | 5,00 | 3,50 | 2,82 | 22,73 | 2,26 | 3,83 | 6,15 | 7,36 | outdoor | 1 |
16 | F | 20 | 65,86 | 74,55 | 18,87 | 40,23 | 41,11 | 87,80 | 96,30 | 60,67 | 28,20 | indoor | 1 |
17 | M | 20 | * | * | 3,68 | * | * | 3,08 | *. | 3,38 | 0,43 | outdoor | 1 |
18 | M | 23 | 12,94 | 11,98 | 12,89 | 20,00 | 16,60 | 42,36 | 17,41 | 19,17 | 10,63 | indoor | 1 |
19 | M | 26 | 4,95 | 2,53 | 3,30 | 1,92 | 24,39 | 3,38 | 3,45 | 6,27 | 8,04 | outdoor | 2 |
20 | F | 26 | 23,61 | 20,38 | 27,21 | * | * | * | * | 23,73 | 3,41 | indoor | 1 |
21 | F | 27 | 8,17 | 3,70 | 15,15 | 6,02 | 16,65 | 5,84 | 7,90 | 9,06 | 4,92 | outdoor | 2 |
22 | F | 29 | 5,88 | 2,01 | 2,89 | 2,77 | 10,10 | 2,24 | 4,39 | 4,32 | 2,89 | outdoor | 2 |
23 | M | 30 | 6,67 | 6,27 | 4,60 | 4,81 | 10,96 | 13,05 | 11,67 | 8,29 | 3,50 | outdoor | 2 |
24 | F | 32 | 27,04 | 43,35 | 26,49 | - | 31,72 | 31,15 | 38,02 | 32,96 | 6,56 | indoor | 1 |
25 | M | 33 | 14,85 | 8,96 | 7,54 | - | 24,79 | 13,76 | * | 13,98 | 6,79 | indoor | 1 |
26 | M | 35 | * | 20,88 | 15,38 | 18,12 | 37,14 | 46,23 | 40,00 | 29,63 | 13,05 | indoor | 2 |
27 | M | 38 | 17,23 | 18,99 | 19,50 | 15,06 | 13,12 | 15,64 | 14,18 | 16,25 | 2,41 | indoor | 2 |
28 | M | 43 | 21,64 | 28,25 | 26,12 | 22,99 | 18,05 | 34,06 | 36,23 | 26,76 | 6,61 | indoor | 2 |
Mean (SD) | 24.68 (33.01) | 47.03 (127.79) | 40.53 (107.23) | 63.24 (201.21) | 41.62 (61.71) | 46.16 (98.39) | 63.93 (111.65) | 43.23 (96.27) | |||||