From: Socio-demographic factors of cesarean births in Nha Trang city, Vietnam: a community-based survey
Number of births N (%) | Cesarean section rate (%) | Model 1 | Model 2 | ||||
---|---|---|---|---|---|---|---|
Crude OR1 | 95% CI2 for OR | Adjusted OR1 | 95% CI2 for OR1 | ||||
Demographic information of mothers | |||||||
Age group of mother | |||||||
< 20 years of age | 70 | (2.2) | 22.9 | 0.57 | (0.34, 1.03) | 0.6 | (0.33, 1.11) |
20-24 years of age | 508 | (16.1) | 34.1 | 1 | 1 | ||
25-29 years of age | 1095 | (34.7) | 39.8 | 1.28 | (1.46, 2.29) | 1.19 | (0.94, 1.49) |
30-34 years of age | 958 | (30.4) | 48.6 | 1.83 | (1.46, 2.29) | 1.82 | (1.43, 2.31) |
≥ 35 years of age | 517 | (16.4) | 59.0 | 2.78 | (2.16, 3.60) | 2.9 | (2.22, 3.79) |
Educational background of mother | |||||||
Unfinished primary | 167 | (5.3) | 40.1 | 1.04 | (0.71,1.50) | 1.01 | (0.68, 1.21) |
Primary | 396 | (12.5) | 39.1 | 1 | 1 | ||
Lower secondary | 584 | (18.5) | 39.2 | 1.00 | (0.77, 1.30) | 1.03 | (0.84, 1.38) |
Upper secondary | 794 | (25.2) | 43.3 | 1.88 | (0.92, 1.51) | 1.16 | (0.90, 1.51) |
Post-secondary or higher | 1207 | (38.3) | 49.8 | 1.54 | (1.22, 1.94) | 1.35 | (0.81, 1.37) |
Mother who does not have another child going to kindergarten or school | 1238 | (39.3) | 1 | 1 | |||
Mother who has another child going to kindergarten or school | 1910 | (60.6) | 42.8 | 0.85 | (0.74, 0.98) | 0.73 | (0.62, 0.86) |
Family and residential information | |||||||
Residential area | |||||||
Suburban area | 958 | (30.4) | 40.3 | 1 | 1 | ||
Urban area | 2190 | (69.5) | 46.1 | 1.26 | (1.08, 1.47) | 0.89 | (0.76, 1.05) |
Monthly income3 | |||||||
< 342 USD (< 8 million VND) | 974 | (30.9) | 41.2 | 1 | 1 | ||
343-428USD (8-9 million VND) | 820 | (26.0) | 44.4 | 1.14 | (0.94, 1.37) | 1.08 | (0.88, 1.31) |
429-643USD (10-14 million VND) | 647 | (20.5) | 42.8 | 1.06 | (0.87, 1.30) | 1.09 | (0.87, 1.35) |
≥ 644 USD (≥ 15 million VND) | 707 | (22.4) | 50.1 | 1.43 | (1.17, 1.74) | 1.43 | (1.14, 1.80) |
Educational background of head of household | |||||||
Unfinished primary | 477 | (15.1) | 37.7 | 0.92 | (0.72, 1.17) | ||
Primary | 671 | (21.3) | 39.6 | 1 | |||
Lower secondary | 529 | (16.8) | 43.9 | 1.18 | (0.94, 1.49) | ||
Upper secondary | 698 | (22.1) | 46.6 | 1.32 | (1.07, 1.64) | ||
Post-secondary or higher | 773 | (24.5) | 50.8 | 1.57 | (1.27, 1.94) | ||
Household size (no. of household members) | |||||||
< 5 | 1122 | (35.6) | 48.5 | 1 | 1 | ||
5-9 | 1851 | (58.8) | 41.9 | 0.76 | (0.66, 0.89) | 0.82 | (0.71, 0.97) |
≥ 10 | 175 | (5.5) | 43.4 | 0.81 | (0.59, 1.94) | 0.85 | (0.60, 1.23) |
Birth outcome | |||||||
Gestational weeks | |||||||
< 37 weeks 0 day | 173 | (5.5) | 45.7 | 1.08 | (0.79, 1.47) | 1.03 | (0.73, 1.46) |
37 weeks 0 day-41w 6 days | 2890 | (91.8) | 43.6 | 1 | 1 | ||
≥ 42 weeks 0 day | 85 | (2.7) | 65.9 | 2.49 | (1.58, 3.92) | 2.62 | (1.63, 4.21) |
Birth weight of child | |||||||
< 2500 g | 69 | (2.1) | 55.1 | 1.99 | (1.19, 3.32) | 1.87 | (1.09, 3.26) |
2500-2999 g | 457 | (14.5) | 38.1 | 1 | 1 | ||
3000-3499 g | 1506 | (47.8) | 40. | 1.08 | (0.87, 1.34) | 1 | (0.79, 1.25) |
3500-3999 g | 910 | (28.9) | 49.8 | 1.61 | (1.28, 2.02) | 1.5 | (1.18, 1.91) |
4000-4499 g | 180 | (5.7) | 59.4 | 2.38 | (1.67, 3.39) | 2.04 | (1.42, 2.95) |
≥ 4500 g | 26 | (0.8) | 80.8 | 6.83 | (2.52, 18.44) | 5.57 | (2.02, 15.34) |
Day of the week at birth | |||||||
Monday | 476 | (15.1) | 48.3 | 1 | |||
Tuesday | 480 | (15.2) | 45.0 | 0.87 | (0.67, 1.12) | ||
Wednesday | 442 | (14.0) | 46.2 | 0.91 | (0.70, 1.18) | ||
Thursday | 451 | (14.3) | 46.3 | 0.92 | (0.71, 1.19) | ||
Friday | 461 | (14.6) | 42.7 | 0.79 | (0.61, 1.03) | ||
Saturday | 413 | (13.1) | 41.9 | 0.77 | (0.59, 1.00) | ||
Sunday | 425 | (13.5) | 39.3 | 0.69 | (0.53, 0.90) | ||
Child’s sex | |||||||
Male | 1660 | (52.7) | 44.5 | 1 | |||
Female | 1448 | (47.2) | 45.4 | 0.99 | (0.86, 1.14) |