Table 4 Crude and adjusted odds ratios (ORs) with 95% confidence intervals (CIs) of intrapartum caesarean section across study hospitals

Hospital 1

ref.

ref.

ref.

Hospital 2

0.64 (0.53 to 0.77)

0.60 (0.49 to 0.74)

1.12 (0.79 to 1.58)

Hospital 3

1.04 (0.89 to 1.22)

0.88 (0.74 to 1.04)

1.06 (0.77 to 1.45)

Hospital 4

0.83 (0.70 to 0.99)

0.84 (0.69 to 1.02)

0.42 (0.31 to 0.57)

Hospital 5

1.25 (1.07 to 1.46)

1.18 (0.99 to 1.41)

2.18 (1.61 to 2.96)

Hospital 6

2.19 (1.88 to 2.55)

1.88 (1.54 to 2.28)

2.41 (1.70 to 3.40)

Hospital 1

ref.

ref.

ref.

Hospital 2

0.74 (0.65 to 0.84)

0.73 (0.64 to 0.85)

1.94 (1.51 to 2.50)

Hospital 3

1.00 (0.89 to 1.13)

0.94 (0.83 to 1.06)

0.90 (0.70 to 1.16)

Hospital 4

0.81 (0.72 to 0.92)

0.78 (0.68 to 0.88)

0.50 (0.40 to 0.63)

Hospital 5

1.39 (1.23 to 1.56)

1.35 (1.19 to 1.53)

2.07 (1.61 to 2.67)

Hospital 6

2.01 (1.78 to 2.26)

1.80 (1.56 to 2.08)

1.77 (1.33 to 2.35)