Table 1.
Characteristics of the study population in 1995, 2000–2004 and 2005–2008; data from the Danish National Survey of Diet and Physical Activity (DANSDA)
| Men | Women | |||||
|---|---|---|---|---|---|---|
| 1995 | 2000–2004 | 2005–2008 | 1995 | 2000–2004 | 2005–2008 | |
| (n 849) | (n 2789) | (n 1070) | (n 865) | (n 2871) | (n 1179) | |
| Proportion of the population (%) | 49·5 | 49·3 | 47·6 | 50·5 | 50·7 | 52·4 |
| Age (%) | ||||||
| 15–24 years | 18·0 | 13·8 | 12·2 | 17·6 | 16·9 | 14·7 |
| 25–44 years | 39·7 | 40·5 | 32·4 | 36·2 | 37·6 | 35·6 |
| 45–64 years | 31·7 | 35·5 | 39·8 | 32·9 | 36·4 | 37·5 |
| 65–75 years | 10·6 | 10·2 | 15·5 | 13·4 | 9·1 | 12·2 |
| Education (%) | ||||||
| Basic school (<12 years) | 23·5 | 21·2 | 19·8 | 29·1 | 23·7 | 20·6 |
| Upper secondary school (12 years) | 4·8 | 6·9 | 5·6 | 10·1 | 9·3 | 8·4 |
| Vocational education (13 years, practical) | 46·5 | 42·4 | 40·6 | 37·6 | 36·9 | 34·1 |
| Short higher education (13–14 years, theoretical) | 8·6 | 7·5 | 7·3 | 6·7 | 9·5 | 7·5 |
| Medium higher education (15–16 years) | 10·7 | 12·1 | 14·7 | 12·5 | 14·8 | 22·5 |
| Long higher education (≥17 years) | 5·9 | 10·0 | 12·1 | 4·1 | 5·9 | 6·9 |
| BMI (kg/m2) | ||||||
| Mean | 24·9 | 25·4 | 25·7 | 23·3 | 24·1 | 24·4 |
| sd | 3·4 | 3·6 | 3·9 | 3·9 | 4·4 | 4·7 |
| Weight status (%) | ||||||
| Underweight (BMI < 18·5 kg/m2) | 1·6 | 1·2 | 1·1 | 4·8 | 4·2 | 4·3 |
| Normal weight (BMI = 18·5–24·9 kg/m2) | 54·7 | 48·0 | 47·7 | 69·2 | 63·4 | 60·4 |
| Overweight (BMI = 25·0–29·9 kg/m2) | 34·9 | 40·1 | 38·9 | 19·3 | 22·4 | 24·4 |
| Obese (BMI ≥ 30·0 kg/m2) | 8·8 | 10·7 | 12·3 | 6·7 | 10·0 | 11·0 |
| Intention to eat healthily (%) | ||||||
| Never | 21·1 | 15·5 | 12·4 | 7·6 | 4·7 | 3·4 |
| Occasionally | 25·9 | 25·2 | 19·5 | 18·0 | 15·8 | 10·2 |
| Very often/often | 53·0 | 59·3 | 68·1 | 74·4 | 79·4 | 86·3 |
| Leisure-time physical activity* (%) | ||||||
| Sedentary | 11·5 | 11·8 | 9·0 | 13·4 | 10·4 | 8·0 |
| Light | 32·9 | 33·2 | 34·3 | 48·1 | 46·7 | 47·1 |
| Moderate | 36·2 | 39·6 | 41·5 | 32·1 | 36·2 | 37·4 |
| Vigorous | 19·4 | 15·4 | 15·2 | 6·3 | 6·6 | 7·5 |
| Smoking (%) | ||||||
| Smoker | 40·5 | 36·1 | 28·9 | 39·6 | 35·2 | 24·1 |
| Non-smoker | 59·5 | 64·0 | 71·1 | 60·5 | 64·8 | 75·8 |
| Self-rated health† (%) | ||||||
| Fair/poor | – | 6·8 | 7·0 | – | 10·2 | 8·6 |
| Good | – | 35·5 | 32·2 | – | 37·9 | 30·7 |
| Very good/excellent | – | 57·6 | 60·9 | – | 51·8 | 60·7 |
*Leisure-time physical activity over the last 12 months. Level 1, mainly sedentary or light physical activity <2 h/week (‘sedentary’); level 2, light physical activity 2–4 h/week (‘light’); level 3, light physical activity >4 h/week or vigorous physical activity 2–4 h/week (‘moderate’); level 4, vigorous physical activity >4 h/week or regular hard exercise and participation in competitive sports several times per week (‘vigorous’).
†The question on self-rated health was only part of the interview in 2000–2004 and 2005–2008.