Satisfaction of participants with motivational interviews
In the MI group, 99.4% (320/322) mothers responded to the satisfaction questionnaire: 95.0% (304/320) reported they appreciated participating (somewhat yes: 56/320 (17.5%); yes: 248/320 (77.5%)), and the great majority would recommend extending the MI intervention (somewhat yes: 42/320 (13.1%), yes: 261/320 (81.6%)) to other maternity wards. Almost all (308/320 (96.3%)) found the MI intervention useful (somewhat yes: 30/320 (9.4%), yes: 278/320 (86.9%)), and 90.3% (289/320) had no more questions about vaccination afterwards. Nearly the entire MI group (303/320 (94.7%)) considered that the intervention was performed in a timely manner (somewhat yes: 38/320 (11.9%), yes: 265/320 (82.8%)). In the control group, all participants (334/334) completed this part of the questionnaire, and satisfaction with the control intervention (leaflet) was similar, although the proportions of ‘somewhat yes’ answers were higher than in the MI group (see details of the control group results in 