From: Relationship between alcohol and primary headaches: a systematic review and meta-analysis
Study authors | Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Overall risk of bias assessment |
---|---|---|---|---|---|---|---|---|---|
Lisicki M et al. [44] | Yes | Yes | No | Yes | No | Yes | Yes | Yes | Moderate |
Aamodt AH et al. [46] | Yes | Yes | No | Yes | No | No | Yes | Yes | High |
Lebedeva ER et al. [27] | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Low |
Misakian AL et al. [47] | Yes | Yes | No | Yes | No | No | Yes | Yes | High |
Le H et al. [51] | No | Unclear | No | Yes | Yes | Yes | Yes | Yes | High |
Kaltseis K et al. [26] | Yes | Yes | Yes | Yes | Yes | Unclear | Yes | Yes | Low |
Pellegrino Baena C et al. [56] | Yes | Yes | No | Yes | Unclear | No | Yes | Yes | High |
McMurtray AM et al. [57] | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Moderate |
Rasmussen BK [60] | Yes | Yes | No | Yes | No | No | Yes | Yes | High |
Scher AI et al. [71] | Yes | Yes | No | Yes | Yes | No | Yes | Yes | Moderate |
Luo J [48] | Yes | Yes | No | No | Yes | Unclear | Yes | Yes | High |