Predictors of tPTEF:tE% in a Bayesian linear hierarchical regression model in a combined data set of BLT and BILD study infants born at term (preterm babies excluded)
| n=586 | Estimate | Estimate error | 95% credible interval | R-hat | Bulk ESS | Tail ESS |
| Intercept | 37.32 | 2.76 | 31.55 to 42.51 | 1.00 | 5789 | 7576 |
| Maternal asthma | 0.68 | 1.92 | −2.92 to 4.68 | 1.00 | 7449 | 9193 |
| Male sex | 0.79 | 1.42 | −2.00 to 3.55 | 1.00 | 10 823 | 13 833 |
| Maternal asthma:male sex | −3.64 | 1.73 | −7.06 to −0.24 | 1.00 | 8629 | 13 490 |
| Second-born* | −1.80 | 0.98 | −3.70 to 0.14 | 1.00 | 9005 | 2827 |
| Third-born or later* | −1.98 | 1.16 | −4.25 to 0.27 | 1.00 | 12 096 | 4590 |
| Age (days) | −0.20 | 0.06 | −0.31 to −0.09 | 1.00 | 14 515 | 14 057 |
| Exclusive breast feeding | 1.30 | 0.99 | −0.63 to 3.24 | 1.00 | 9189 | 5330 |
| Weight gain (kg) | 3.64 | 0.98 | 1.70 to 5.56 | 1.00 | 13 732 | 21 417 |
Bayes factor=37.12.
*First-born is reference.
BILD, Bern Infant Lung Development; BLT, Breathing for Life Trial; ESS, effective sample size; tPTEF:tE%, tidal expiratory flow to expiratory time ratio.