Prais-Winsten regression model for trends in esophageal atresia prevalence, by maternal age group in São Paulo State, Brazil, from 2005 to 2018
| Maternal age (years) | β (95% CI) 2005–2011 | APC (%) (95% CI) 2005–2011 | Reading | β (95% CI) 2012–2018 | APC (%) (95% CI) 2012–2018 | Reading | β (95% CI) 2005–2018 | APC (%) (95% CI) 2005–2018 | Reading |
| < 14 | 0.0 (0.0 to 0.0) | 0.0 (0.0 to 0.0) | Stationary | 0.0 (0.0 to 0.0) | 0.0 (0.0 to 0.0) | Stationary | 0.004 (0.004 to 0.004) | 1.0 (1.0 to 1.0) | Increasing |
| 15–19 | 0.146 (0.028 to 0.264) | 40.0 (6.6 to 83.7) | Increasing | 0.029 (−0.097 to 0.155) | 6.9 (−20 to 42.9) | Stationary | 0.063 (0.016 to 0.109) | 15.5 (3.7 to 28.6) | Increasing |
| 20–24 | 0.033 (−0.014 to 0.080) | 7.9 (−3.1 to 20.1) | Stationary | 0.021 (−0.112 to 0.155) | 5.0 (−22.8 to 42.8) | Stationary | 0.025 (−0.003 to 0.053) | 5.9 (−0.7 to 12.9) | Stationary |
| 25–29 | 0.037 (0.000 to 0.074) | 8.9 (−0.1 to 18.7) | Stationary | 0.008 (−0.115 to 0.132) | 1.9 (−23.3 to 35.4) | Stationary | 0.017 (−0.009 to 0.044) | 4.0 (−2.2 to 10.6) | Stationary |
| 30–34 | 0.032 (−0.011 to 0.074) | 7.5 (−2.4 to 18.5) | Stationary | −0.015 (−0.048 to 0.018) | −3.4 (−10.4 to 4.1) | Stationary | 0.018 (0.004 to 0.033) | 4.3 (0.9 to 7.8) | Increasing |
| > 35 | 0.013 (−0.024 to 0.049) | 2.9 (−5.3 to 11.9) | Stationary | 0.001 (−0.110 to 0.111) | 0.1 (−22.4 to 29.2) | Stationary | 0.011 (−0.011 to 0.032) | 2.5 (−2.4 to 7.7) | Stationary |
Source: Live Births Information System. Data: Unified Health System Department of Informatics (www.datasus.saude.gov.br%7D), Ministry of Health, Brazil.
APC, annual percent change; CI, Confidence interval; β, regression coefficient.