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Characteristics of the subjects with complete portion size data, included in the present study, compared with the excluded subjects with incomplete portion size data, Danish Health Examination Survey 2007–2008
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Included | Excluded | P for difference | Included | Excluded | P for difference | |
| n | 1546 | 2078 | 2182 | 3578 | ||
| Sex (%) | 41 | 37 | 59 | 63 | ||
| Mean age (years) | 50·0 | 52·8 | <0·001 | 48·4 | 51·3 | <0·001 |
| Mean BMI (kg/m2) | 26·1 | 25·9 | 0·12 | 24·9 | 24·5 | <0·01 |
| Physical activity, % active | 41 | 36 | <0·01 | 25 | 25 | 0·61 |
