TABLE 3. Bivariate and Multivariate Logistic Regression Analysis on Trends in the Cesarean Delivery Rate, Among All Mothers and Stratified by Place of Delivery, Birth Weight, and Birth Multiplicity According to Year of Survey
No. (%)OR (95% CI)aOR (95% CI)
Among All Mothers
2002629 (18.2)1.001.00
20071267 (20.1)1.13 (1.01–1.25)*1.13 (1.01–1.26)*
20121929 (30.3)1.95 (1.76–2.16)***1.90 (1.71–2.11)***
By Place of Delivery
Public Sector
 2002375 (16.8)1.001.00
 2007768 (19.0)1.16 (1.01–1.33)*1.15 (1.00–1.33)*
 20121242 (29.4)2.05 (1.80–2.34)***1.99 (1.74–2.28)***
Private Sector
 2002254 (20.8)1.001.00
 2007499 (22.0)1.07 (0.90–1.27)1.06 (0.88–1.26)
 2012687 (32.2)1.80 (1.53–2.12)***1.70 (1.43–2.02)***
By Birth Weight
Normal
 2002428 (16.3)1.001.00
 2007890 (18.1)1.13 (0.99–1.28)1.11 (0.98–1.26)
 20121395 (28.4)2.03 (1.80–2.29)***1.93 (1.71–2.19)***
Low/High
 2002201 (24.2)1.001.00
 2007377 (27.1)1.17 (0.96–1.42)1.13 (0.93–1.39)
 2012534 (36.6)1.81 (1.50–2.20)***1.73 (1.42–2.10)***
By Birth Multiplicity
Singleton Birth
 2002582 (17.3)1.001.00
 20071194 (19.3)1.15 (1.03–1.28)*1.14 (1.02–1.27)*
 20121838 (29.5)2.01 (1.81–2.23)***1.92 (1.72–2.13)***
Multiple Birth
 200248 (60.0)1.001.00
 200773 (589.3)0.99 (0.55–1.75)0.98 (0.49–1.95)
 201292 (65.7)1.28 (0.72–2.26)1.29 (0.64–2.58)
  • Abbreviations: aOR, adjusted odds ratio (for all covariates under analysis); CI, confidence interval; OR, odds ratio.

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

  • *P< .05; *** P< .001.