Table 1.
Demographic variable | Percentage of papers reporting that variable |
---|---|
Age | 99 |
Sex | 99 |
Weight/BMI | 39 |
Ethnicity | 37 |
Smoking | 24 |
Educational attainment | 23 |
Marital Status | 13 |
Any area-based measure (eg index of deprivation or disadvantage, rurality distance from health centres etc) | 10 |
Employment status | 10 |
Alcohol | 4 |
Occupational status | 2 |
Income | 2 |
Language spoken | 0 |