Table 2.
Mean characteristics of participants by quartile (Q) of factor score for components identified before engagement in Slimming World (T0)
| Characteristics | Component 1 | Component 2 | ||||||
|---|---|---|---|---|---|---|---|---|
| Plant based | Processed meat and sugar added by the consumer | |||||||
| Q1 | Q2 | Q3 | Q4 | Q1 | Q2 | Q3 | Q4 | |
| Number of subjects (n) | 81 | 82 | 81 | 81 | 81 | 82 | 81 | 81 |
| Energy (KJ/d (kcal/d)) | 15 108 (3611) | 12 121 (2897) | 11 770 (2813) | 10 259 (2452)* | 12 401 (2964) | 11 067 (2645) | 12 707 (3037) | 13 071 (3124) |
| Age on questionnaire completion (years) | 39·4 | 42·1 | 42·7 | 44·0† | 44·3 | 44·1 | 41·7 | 39·4† |
| Weight BSW (kg) | 100·0 | 98·3 | 95·7 | 89·7† | 94·1 | 93·6 | 99·8 | 96·2 |
| BMI BSW (kg/m2) | 36·8 | 35·9 | 34·7 | 32·9† | 34·9 | 34·3 | 35·8 | 35·3 |
| Percentage weight loss (%) | –3·6 | –3·3 | –3·4 | –2·8§ | –3·2 | –3·4 | –3·3 | –3·1 |
| Current smokers (%) | 16·0 | 2·5 | 8·6 | 7·5 | 3·7 | 5·0 | 8·6 | 17·3† |
| Exercise (frequency /week) | 4·5 | 4·9 | 5·4 | 5·9 | 4·5 | 4·5 | 5·6 | 6·1† |
| Employed (%) | 79·0 | 76·3 | 76·5 | 76·3 | 76·5 | 77·2 | 81·5 | 72·8 |
| Vitamin and mineral supplement use (%) | 25·9 | 35·8 | 38·3 | 51·3† | 43·2 | 36·3 | 42·0 | 26·6 |
| Breakfast (%) | ||||||||
| Always | 42·0 | 50·0 | 60·3 | 56·3 | 55·6 | 61·0 | 60·6 | 47·5 |
| Sometimes | 24·7 | 23·8 | 23·1 | 22·0 | 26·3 | 14·3 | 24·0 | 22·5 |
| Never | 30·1 | 33·3 | 13·6 | 14·6 | 19·7 | 22·5 | 20·2 | 29·2 |
| Fibre (g/d) | 22·5 | 22·5 | 24·5 | 27·6† | 26·8 | 25·5 | 24·6 | 20·2† |
| Free sugar (% total kcal) | 14·6 | 13·1 | 12·2 | 10·5* | 12·7 | 12·7 | 13·2 | 11·8 |
BSW, before Slimming World.
*
P-values < 0·05 were considered as significant. Exercise expressed as total frequency of vigorous and moderate physical activity and walking events lasting for at least 10 min/event per week.
†
P for trend < 0·001 calculated using Jonckheere–Terpstra test.
‡
P for trend 0·001 < P < 0·025 calculated using Jonckheere–Terpstra test.
§
P for trend 0·025 < P < 0·05 calculated using Jonckheere–Terpstra test.
Otherwise no significant P for trend.