Study | Sampling | Participants | Exposure | Condition | Confounding | Measures | Analysis |
---|---|---|---|---|---|---|---|
Augusti et al. [42] | x | x | x | x | x | x | |
Cerna-Turoff et al. [40] | x | x | x | x | x | x | x |
Oliveira et al. [46] | x | x | x | x | x | x | |
Epstein et al. [41] | x | x | x | x | x | x | x |
Karp et al. [43] | x | x | x | x | x | x | |
Kerekes et al. [44] | x | x | x | x | x | x | |
Sloand et al. [39] | x | x | x | x | x | x | |
Temple et al. [38] | x | x | x | x | x | ||
Zulaika et al. [37] | x | x | x | x | x | x | x |