Table 2.
Anthropometric, lifestyle and psychological features of the study subjects; men and women (median age 46 years) starting a weight loss or maintenance programme, Milan, Italy, July 2008 to April 2014
| Sex | ||||||
|---|---|---|---|---|---|---|
| Men (n 1932) | Women (n 4998) | Total (n 6930) | ||||
| n | % | n | % | n | % | |
| Age (decade) | ||||||
| 18–19 years | 17 | 0·9 | 71 | 1·4 | 88 | 1·3 |
| 20–29 years | 139 | 7·2 | 537 | 10·7 | 676 | 9·8 |
| 30–39 years | 385 | 19·9 | 1089 | 21·8 | 1474 | 21·3 |
| 40–49 years | 586 | 30·3 | 1403 | 28·1 | 1989 | 28·7 |
| 50–59 years | 429 | 22·2 | 1112 | 22·2 | 1541 | 22·2 |
| 60–69 years | 301 | 15·6 | 639 | 12·8 | 940 | 13·6 |
| 70–79 years | 75 | 3·9 | 146 | 2·9 | 221 | 3·2 |
| ≥80 years | 0 | 0·0 | 1 | 0·0 | 1 | 0·0 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| BMI class | ||||||
| Normal weight | 144 | 7·5 | 1294 | 25·9 | 1438 | 20·8 |
| Overweight | 726 | 37·6 | 1954 | 39·1 | 2680 | 38·7 |
| Obesity class 1 | 697 | 36·1 | 1119 | 22·4 | 1816 | 26·2 |
| Obesity class 2 | 269 | 13·9 | 427 | 8·5 | 696 | 10·0 |
| Obesity class 3 | 96 | 5·0 | 204 | 4·1 | 300 | 4·3 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Married | ||||||
| No | 782 | 40·5 | 2418 | 48·4 | 3200 | 46·2 |
| Yes | 1150 | 59·5 | 2580 | 51·6 | 3730 | 53·8 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| High school or higher degree | ||||||
| No | 1142 | 59·1 | 3197 | 64·0 | 4339 | 62·6 |
| Yes | 790 | 40·9 | 1801 | 36·0 | 2591 | 37·4 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Current smoking | ||||||
| No | 1256 | 65·0 | 3788 | 75·8 | 5044 | 72·8 |
| Yes | 676 | 35·0 | 1210 | 24·2 | 1886 | 27·2 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Structured physical activity | ||||||
| No | 1077 | 55·7 | 2999 | 60·0 | 4076 | 58·8 |
| Yes | 855 | 44·3 | 1999 | 40·0 | 2854 | 41·2 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Binge eating behaviour (BES≥18) | ||||||
| No | 1775 | 91·9 | 3986 | 79·8 | 5761 | 83·1 |
| Yes | 157 | 8·1 | 1012 | 20·2 | 1169 | 16·9 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Anxiety (STAI-X1≥95th percentile)* | ||||||
| No | 1862 | 96·4 | 4837 | 96·8 | 6699 | 96·7 |
| Yes | 70 | 3·6 | 161 | 3·2 | 231 | 3·3 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Anxiety (STAI-X2≥95th percentile) | ||||||
| No | 1859 | 96·2 | 4801 | 96·1 | 6660 | 96·1 |
| Yes | 73 | 3·8 | 197 | 3·9 | 270 | 3·9 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
| Depression (DQ≥95th percentile) | ||||||
| No | 1845 | 95·5 | 4869 | 97·4 | 6714 | 96·9 |
| Yes | 87 | 4·5 | 129 | 2·6 | 216 | 3·1 |
| Total | 1932 | 100·0 | 4998 | 100·0 | 6930 | 100·0 |
n, number of subjects; %, percentage of subjects; BES, Binge Eating Scale score; STAI-X1, State-Trait Anxiety Inventory (state anxiety) score; STAI-X2, State-Trait Anxiety Inventory (trait anxiety) score; DQ, Italian Depression Questionnaire score.
*
Subjects with STAI-X1≥99th percentile were excluded from the study.