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Table 4 Estimates of effects of parental vaping on youth smoking vaping

From: Youth vaping and smoking and parental vaping: a panel survey

  All Youth Ex-Smoking Parents Current Smoking Parents  
  OR 95% CI E-Value for OR E-Value for Lower Limit OR 95% CI E-Value for OR E-Value for Lower Limit OR 95% CI E-Value for OR E-Value for Lower Limit P-Value for differencea
Youth Ever Smoking     N = 3291     N = 1300     N = 817  
 Sample weighted association 1.93 1.25–2.98 3.27 1.81 2.07 0.95–4.50 3.56 1.00 1.36 0.74–2.51 2.06 1.00 0.407
 ATE 2.43 1.05–5.63 4.29 1.28 1.92 0.89–4.15 3.25 1.00 1.37 0.73–2.56 2.08 1.00 0.505
 ATT 1.68 1.03–2.72 2.75 1.21 1.84 0.81–4.16 3.08 1.00 1.51 0.80–2.82 2.39 1.00 0.702
Youth Current Smoking     N = 3291     N = 1300     N = 817  
 Sample weighted association 1.99 0.96–4.10 3.39 1.00 3.59 1.07–12.01 6.64 1.34 0.78 0.30–2.00 1.88 1.00 0.050
 ATE 1.61 0.62–4.20 2.60 1.00 3.80 1.13–12.77 7.06 1.51 0.75 0.30–1.89 2.00 1.00 0.037
 ATT 1.27 0.58–2.81 1.86 1.00 2.73 0.74–10.03 4.90 1.00 0.87 0.34–2.28 1.56 1.00 0.167
Youth Smoking Initiation     N = 3075     N = 1209     N = 749  
 Sample weighted association 3.11 0.94–10.31 5.67 1.00 10.87 2.69–43.97 21.23 4.82 1.19 0.17–8.42 1.67 1.00 0.071
 ATE 3.50 0.81–15.03 6.46 1.00 11.28 2.74–46.44 22.05 4.92 1.01 0.16–6.42 1.11 1.00 0.042
 ATT 3.76 1.27–11.19 6.98 1.86 6.81 1.78–25.96 13.10 2.96 2.58 0.50–13.35 4.60 1.00 0.370
Youth Vaping     N = 3291     N = 1300     N = 817  
 Sample weighting association 1.85 0.97–3.53 3.10 1.00 3.74 1.30–10.76 6.94 1.92 0.96 0.39–2.38 1.25 1.00 0.181
 ATE 1.34 0.58–3.09 2.01 1.00 2.61 0.82–8.31 4.66 1.00 1.02 0.42–2.47 1.16 1.00 0.087
 ATT 1.48 0.72–3.04 2.32 1.00 2.70 0.88–8.27 4.84 1.00 1.08 0.42–2.76 1.37 1.00 0.218
  1. aP-value testing equivalence of OR for ex compared to current smoking parents
  2. ATE estimates the average effect of parental vaping among all youth (or within strata of parental smoking)
  3. ATT estimates the average effect of parental vaping among youth whose parents do vape (or those whose parents do vape within strata of parental smoking). The e-value for the OR indicates the minimum strength of association (OR) that an unmeasured confounder would need to have with both parental vaping and youth outcomes to reduce this estimate to the null. The e-value for the lower limit indicates the minimum strength of association that an unmeasured confounder would need to have with both parental vaping and youth outcomes for the lower limit of the confidence intervals around this estimate to cross the null (all confounders are unmeasured for the sample weighted associations)