Author

Study question

Study population

All eligible participants enrolled.

Sample size

Intervention clearly described

Outcome measures valid and reliable

Blinding of outcome assessors

Follow-up rate

Statistical analyses

Missing data

Group-level interventions outcome efforts

Quality rating

Weichel et al. [1]

N

Y

Y

N

Y

Y

N

N

Y

Y

NA

POOR

Mehta et al. [2]

N

Y

Y

N

Y

Y

N

CD

N

N

NR

POOR

Kessner and Barak [3]

N

Y

CD

N

Y

Y

N

Y

Y

N

N

FAIR

Al Taisanet al. [4]

N

Y

Y

N

Y

N

N

Y

N

N

NR

POOR

Mehboob et al. [5]

N

Y

CD

N

Y

Y

N

Y

Y

N

NA

FAIR

Stangos et al. [6]

N

Y

CD

N

Y

Y

N

CD

N

N

NR

POOR

Orlin et al. [7]

N

Y

Y

N

Y

Y

N

N

Y

N

NR

POOR

Ong et al. [8]

Y

Y

Y

N

Y

Y

N

CD

Y

Y

NR

HIGH

Kim et al., part 2 [10]

N

Y

Y

N

Y

N

N

CD

N

N

NA

FAIR

Kim et al., Part 1 [10]

N

Y

Y

N

Y

N

N

CD

N

N

NA

FAIR

Vangipuram et al. [9]

N

Y

CD

N

Y

N

N

Y

Y

Y

CD

HIGH