Table 4 Results of salivary samples and urine samples of study participants
Participant smoking status | Saliva samples received from pregnant women | Saliva cotinine result (ng/ml) | Saliva: level of exposure to secondhand smoke (SHS) | Baby’s urine samples received after delivery | Urine cotinine result (ng/ml) | Urine: level of exposure to secondhand smoke (SHS) |
|---|---|---|---|---|---|---|
Smoker | N/A | N/A | – | One sample received 23 PN weeks after delivery | 20.9 | Exposure to SHS |
Non-smoker | Baseline only | 155.3 | Smoker | None | – | – |
Smoker | N/A | N/A | – | One sample received dated PN day 14 | 5.5 | Exposure to SHS |
Non-smoker | Baseline only | 1.1 | Exposure to SHS | None | – | – |
Non-smoker | Sample 1 at baseline | 0.2 | No exposure to SHS | None | – | – |
Sample 2 at F/up | <0.1 | No exposure to SHS | ||||
Non-smoker | Sample 1 at baseline | <0.1 | No exposure to SHS | Urine sample 1 received dated PN day 6 | <0.1 | No exposure to SHS |
Sample 2 at F/up | <0.1 | No exposure to SHS | Urine sample 2 received dated PN day 12 | <0.1 | No exposure to SHS | |
Urine sample 3 received dated at 7 PN weeks | 1.3 | Exposure to SHS | ||||
Smoker | N/A | N/A | – | One sample received 3 PN weeks after delivery | 10.3 | Exposure to SHS |