Table 1 Statistical distribution of included studies based on their characteristics in both absolute and proportional terms
| 听 | 69 extracted Studies | 30 included Papers |
|---|---|---|
Sex (n/percent) | ||
M | 14/20 | - |
F | 13/19 | - |
Both | 42/61 | - |
Year of publication (n/percent) | ||
Before 2000 | - | 15/50 |
2000 and after | - | 15/50 |
Region (n/percent) | ||
America | - | 14/47 |
Europe | - | 10/33 |
Asia and Oceania | - | 6/20 |
Dietary assessment method (n/percent) | ||
24-h recalls or records | - | 12/40 |
FFQ | - | 15/50 |
Mix | - | 3/10 |
Siblings age (n/percent) | ||
鈮も��18 years | - | 12/40 |
> 18 years | - | 12/40 |
NA (Spouse) | - | 6/20 |
Sample size (n/percent) | ||
鈮も赌�500 | - | 10/33 |
500鈥�1000 | - | 7/23 |
> 1000 | - | 13/44 |