TABLE 4. Multivariate Logistic Regression Analysis on Trends in the Cesarean Delivery Rate by Place of Delivery, Stratified by Birth Weight and Birth Multiplicity According to Year of Survey
Public Hospitals (N = 10,496)Private Hospitals (N = 5,627)
No. (%)aOR (95% CI)No. (%)aOR (95% CI)
By Birth Weight
Normal
 2002247 (14.8)1.00181 (19.1)1.00
 2007525 (17.0)1.17 (0.99–1.39)365 (19.9)1.00 (0.82–1.23)
 2012877 (27.4)2.06 (1.76–2.42)***519 (30.4)1.71 (1.41–2.09)***
Low/High
 2002128 (22.9)1.0073 (26.7)1.00
 2007242 (25.3)1.12 (0.87–1.45)135 (31.0)1.22 (0.85–1.75)
 2012366 (35.6)1.87 (1.46–2.38)***168 (39.1)1.66 (1.16–2.38)**
By Birth Multiplicity
Singleton Birth
 2002347 (16.0)1.00234 (19.6)1.00
 2007718 (18.2)1.15 (0.99–1.33)476 (21.3)1.08 (0.90–1.29)
 20121171 (28.3)2.00 (1.74–2.29)***667 (31.8)1.76 (1.47–2.09)***
Multiple Birth
 200228 (50.9)1.0020 (80.0)1.00
 200749 (60.5)1.85 (0.78–4.35)23 (56.1)0.32 (0.05–2.09)
 201272 (72.0)3.05 (1.27–7.33)*20 (50.0)0.08 (0.01–0.78)*
  • Abbreviations: aOR, adjusted odds ratio (for all covariates under analysis); CI, confidence interval.

  • P value for the trend was obtained by entering the survey year as a continuous variable.

  • *P< .05; ** P< .01; *** P< .001.