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Table 1 Results of methodological quality assessment, AMSTAR criteria

From: The association of health literacy with adherence in older adults, and its role in interventions: a systematic meta-review

Authors

Review on interventions or association

1

2

3

4

5

6

7

8

9

10

11

Total

Al Sayah et al. [46]

Association

+

+

+

+

–

–

+

+

–

–

+

7/11

Berkman et al. [38]

Association

+

+

+

+

–

+

+

+

–

–

+

8/11

Carbone et al. [47]

Interventions

–

–

+

+

+

+

–

–

–

–

+

5/11

Fransen et al. [39]

Both

+

–

–

+

+

+

+

–

–

–

+

6/11

Gellad et al. [40]

Association

+

+

+

+

+

+

–

–

–

+

–

7/11

Keller et al. [41]

Association

+

+

+

+

+

+

+

+

–

–

–

8/11

Lee et al. [48]

Interventions

+

+

+

–

+

+

+

+

–

–

+

8/11

Lewis [42]

Association

+

–

+

–

+

+

–

–

–

–

+

5/11

Loke et al. [21]

Both

+

+

+

–

+

+

+

+

–

+

+

9/11

Newman-Casey et al. [52]

Intervention

+

+

+

–

+

+

+

–

–

+

+

8/11

Ostini and Kairuz [45]

Association

+

–

+

–

+

+

–

–

–

–

+

5/11

Schaefer [51]

Interventions

+

–

–

+

+

+

–

–

–

–

–

4/11

Van Scoyoc et al. [50]

Interventions

+

+

–

+

+

+

–

–

–

–

–

5/11

Sheridan et al. [49]

Interventions

+

+

+

+

+

+

+

+

–

+

+

10/11

Wawrzyniak et al. [44]

Association

+

–

+

–

+

–

–

–

–

–

+

4/11

Weekes [43]

Association

+

–

+

+

–

–

–

–

–

–

–

3/11

Zhang et al. [37]

Association

+

+

+

–

+

+

–

–

+

–

+

7/11

  1. Items in AMSTAR checklist, 1: Pre-specified design, 2: Duplicate screening and data-extraction, 3: Comprehensive literature search, 4: Publication status as criterion, 5: List of selected studies, 6: Characteristics of the studies provided, 7: Validity assessment, 8: Study quality is part of forming conclusions, 9: Valid statistical synthesis of results, 10: Publication bias addressed, 11: Conflict of interest statement