Table 1.
Characteristics of participants of the German National Nutrition Survey II (n = 8522)
(Percentages, mean values and standard deviations)
| Age group (years) | |||
|---|---|---|---|
| 20–34 | 35–64 | 65–80 | |
| n | 1526 | 5603 | 1393 |
| Female (%) | 54·9 | 53·6 | 49·6 |
| Age (years) | |||
| Mean | 27·6 | 48·0 | 70·0 |
| sd | 4·4 | 8·3 | 4·2 |
| BMI (kg/m2) | |||
| Mean | 24·2 | 26·1 | 27·3 |
| sd | 4·5 | 4·4 | 4·1 |
| Smoking status (%) | |||
| Never | 52·7 | 45·1 | 61·4 |
| Former | 11·9 | 25·5 | 28·7 |
| Current | 35·5 | 29·3 | 9·9 |
| Years of education (%)* | |||
| 9–10 years | 5·9 | 4·8 | 17·1 |
| 12–13 years | 53·5 | 50·4 | 48·0 |
| 14–16 years | 22·2 | 21·0 | 16·4 |
| 17–18 years | 18·4 | 23·8 | 18·5 |
| Household net income (%) | |||
| <1500 € | 30·4 | 17·3 | 32·0 |
| 1500 to <3000 € | 47·9 | 49·4 | 52·9 |
| ≥3000 € | 21·7 | 33·4 | 15·1 |
| Living together with a partner (%) | 57·0 | 82·9 | 76·9 |
| Employed (%) | 78·0 | 76·9 | 5·9 |
*
According to the International Standard Classification of Education 1997(22).