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Table 3 Rating scale for the intensity of the intervention (women)

From: Process evaluation for OptiBIRTH, a randomised controlled trial of a complex intervention designed to increase rates of vaginal birth after caesarean section

High intensity >60% of recruited women attending two antenatal classes or >80% of recruited women attending one antenatal class
Moderate intensity >50% of recruited women attending two antenatal classes or >65% of recruited women attending one antenatal class
Low intensity >40% of recruited women attending two antenatal classes or >50% of recruited women attending one antenatal class
“No intervention” 0–40% of recruited women attending two antenatal classes or 0–50% of recruited women attending one antenatal class