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Table 1 Methodological quality assessment of included systematic reviews using AMSTAR

From: Interventions to improve physical activity among socioeconomically disadvantaged groups: an umbrella review

Author (Year)

1

2

3

4

5

6

7

8

9

10

11a

Rating

Bock et al. 2014 [31]

0

0

1

0

0

1

0

NA

1

0

1

4

Bull et al. 2014 [13]

0

1

1

0

0

1

1

1

1

1

1

8

Chaudhary & Kreiger 2007 [22]

0

0

0

0

0

1

NA

NA

NA

0

0

1

Cleland et al. 2012 [14]

0

0

1

0

0

1

1

1

0

0

1

5

Cleland et al. 2013 [28]

0

1

1

0

0

1

1

1

1

1

1

8

Everson-Hock et al. 2013 [23]

0

0

1

1

0

1

1

0

0

0

1

5

Kader et al. 2015 [30]

0

0

1

0

0

1

1

1

0

0

1

5

Kornet-van der Aa et al. 2017 [20]

1

1

1

0

0

1

1

1

1

0

1

8

Laws et al. 2014 [15]

1

0

1

0

0

1

1

1

1

0

1

7

Lehne & Bolte 2017 [9]

1

1

1

0

0

1

1

0

1

0

1

7

Magnee et al. 2013 [24]

0

0

0

0

0

1

1

0

1

0

1

4

Olstad et al. 2016 [25]

1

1

1

0

0

1

1

1

1

0

1

8

Olstad et al. 2017 [17]

1

1

1

0

0

1

1

1

1

0

1

8

Taylor et al. 1998 [21]

0

0

1

0

0

1

0

0

0

0

0

2

van Sluijs et al. 2007 [26]

0

0

1

0

0

1

1

1

1

0

1

6

Walton-Moss et al. 2014 [27]

0

0

0

0

0

1

0

0

1

0

1

3

Wijtzes et al. 2017 [29]

0

0

1

0

0

1

1

0

1

0

1

5

  1. AMSTAR items were scored as “Yes” (1), “No” (0), “Can’t Answer” or “Not Applicable” (NA). AMSTAR comprises the following items:
  2. 1. ‘a priori’ design provided;
  3. 2. duplicate study selection/data extraction;
  4. 3. comprehensive literature search;
  5. 4. status of publication as inclusion criteria (i.e., grey or unpublished literature);
  6. 5. list of studies included/excluded provided;
  7. 6. characteristics of included studies documented;
  8. 7. scientific quality assessed and documented;
  9. 8. appropriate formulation of conclusions (based on methodological rigor and scientific quality of the studies);
  10. 9. appropriate methods of combining studies (homogeneity test, effect model used and sensitivity analysis);
  11. 10. assessment of publication bias (graphic and/or statistical test); and
  12. 11. conflict of interest statement*’
  13. aCriterion modified to solely asses conflict of interest/source of funding statement of the review