Table 3 Participant outcomes data collection
Participant smoking status | Saliva samples received | 30-week pregnancy F/up survey received | Baby’s urine samples received after delivery | 6–8-week postnatal F/up (survey and interview) |
|---|---|---|---|---|
Smoker | N/A | No | One sample received 23 PN weeks after delivery | Lost to F/up |
Non-smoker | Baseline only | No | None | Lost to F/up |
Smoker | N/A | Yes | One sample received dated PN day 14 | No survey. Interview completed. |
Smoker | N/A | No | None | Lost to F/up |
Non-smoker | Baseline only | No | None | Lost to F/up |
Non-smoker | Baseline and at 30 weeks gestation | Yes | None | Survey completed. Declined to participate in interview. |
Non-smoker | Baseline and at 30 weeks gestation | Yes | Sample 1 received dated PN day 6 Sample 2 received dated PN day 12 Sample 3 received dated 7 PN weeks | Survey completed. Interview completed. |
Smoker | N/A | Yes | One sample received 3 PN weeks after delivery | Lost to F/up |