Table 4 Assessment of risk of bias for studies without a control group
From: Interventions to enhance medication adherence in pregnancy- a systematic review
Study ID | Study design | Intervention independent of other changes | Intervention unlikely to affect data collection | Knowledge of the allocated interventions adequately prevented during the study | Incomplete outcome data affecting result | Selective outcome reporting | Other of bias |
|---|---|---|---|---|---|---|---|
Baarnes et al., 2016 [40] | Before and After | High | Low | High | Low | Low | High |
Flannagan et al., 2021 [43] | Before and After | High | Low | High | Low | Low | Low |
Karunia et al., 2019 [44] | Before and after | High | Low | High | Low | Low | High |
Krishnakumar et al., 2020 [46] | Before and after | High | Low | High | Low | Low | High |
Murphy et al., 2005 [47] | Before and After | High | Low | High | Low | Low | High |