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Table 1 Comparison of demographic and labour and delivery characteristics between vaginal deliveries, emergency c-sections and planned c-sections

From: The impact of caesarean section on breastfeeding initiation, duration and difficulties in the first four months postpartum

Characteristic Full Sample
N = 30211
Vaginal
N = 2279a
Emergency
c-section
N = 438a
Planned
c-section
N = 301a
P-value
  n (%) n (%) n (%) n (%)  
Demographics
Maternal age at delivery
 Mean (SD) 31.7 (4.4) 31.5 (4.4) 31.8 (4.5) 33.3 (4.4) < 0.001
Marital status
 Married/Common Law 2855 (95.3) 2150 (95.2) 409 (93.6) 293 (98.7) 0.006
 Other 141 (4.7) 109 (4.8) 28 (6.4) 4 (1.3)
Education
 High school or less 297 (9.9) 222 (9.8) 44 (10.1) 30 (10.1) 0.998
 Some or completed university/college 2233 (74.5) 1683 (74.5) 327 (74.8) 222 (74.5)
 Some or completed grad school 467 (15.6) 354 (15.7) 66 (15.1) 46 (15.4)
Ethnicity
 Caucasian 2385 (79.6) 1822 (80.6) 327 (75.0) 233 (78.7) 0.026
 Non-Caucasian 610 (20.4) 438 (19.4) 109 (25.0) 63 (21.3)
Income
 < $60,000 471 (16.2) 352 (16.1) 80 (18.8) 39 (13.6) 0.164
 ≥ $60,000 2434 (83.8) 1838 (83.9) 345 (81.2) 248 (86.4)
Born in Canada
 Yes 2368 (78.9) 1809 (80.0) 323 (73.9) 233 (78.2) 0.017
 No 632 (21.1) 453 (20.0) 114 (26.1) 65 (21.8)
Labour and delivery
Parity
 No previous births 1458 (48.9) 1094 (48.6) 304 (69.9) 60 (20.3) < 0.001
 ≥1 previous birth 1524 (51.1) 1155 (51.4) 131 (30.1) 235 (79.7)
Gestational age
 < 37 weeks 211 (7.0) 146 (6.5) 55 (12.7) 10 (3.4) < 0.001
 ≥ 37 weeks 2784 (93.0) 2117 (93.5) 379 (87.3) 285 (96.6)
Small for gestational ageb
 Yes 300 (10.6) 227 (10.5) 51 (12.6) 22 (8.0) 0.152
 No 2537 (89.4) 1927 (89.5) 353 (87.4) 254 (92.0)
  1. aDue to missing values, the denominator changes across variables
  2. bSmall for Gestational Age defined as <10th percentile for weight-for-gestational age [47]