Table 1. Results of comparisons between: intervention with control arm; and intervention period (2020–2021) with baseline (2018), using different provider definitions.

Institutional delivery	n/N* (%)		Risk ratio (95% CI)†
Intervention vs control	Intervention	Control
Published result (matron as skilled provider)	1506/2542 (59.2)	1421/2494 (56.9)	1.06 (0.91 to 1.20)‡
New result (matron as unskilled provider)	752/2542 (29.6)	727/2494 (29.2)	1.01 (0.86 to 1.18)‡
Intervention period vs baseline	Trial years 2 and 3	Baseline
Published result (matron as skilled provider)	2927/5036 (58.1)	2901/6668 (43.5)	1.54 (1.41 to 1.66)
New pre–post (matron as unskilled provider)	1479/5036 (29.4)	794/6668 (11.9)	2.46 (2.14 to 2.81)

^*Counts with the outcome (n) out of the total participants (N) in the arm.

^†Each model included afixed effects for the year of intervention, residential distance to the nearest primary health centercentre, baseline population of the cluster, and a random intercept for thecluster.

^‡Intention -Tto -Ttreat analysis including trial years two2 and three3 only.