Table 1. Characteristics of people at each stage in the programme, between June 2016 and December 2018.
| People referred | People referred that have attended an Initial Assessment (IA) | People who have attended at least 1 group-based intervention session (IV) | Participants associated with cohorts that have finished the programme | Participants that have completed the programme (finished, and attended more than 60% of sessions) | Chi-squared p-value (reached IA vs referred) | Chi-squared p-value (attended at least 1 IV vs reached IA) | Chi-square p-value (completed vs finished) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | |||||
| Overall | 324,699 | 100% | 152,294 | 100% | 96,442 | 100% | 32,665 | 100% | 17,252 | 100% | n/a | n/a | n/a | |
| Sex | Male | 147,890 | 46% | 68,780 | 45% | 43,517 | 45% | 14,487 | 44% | 7,700 | 45% | <0.001 | <0.001 | 0.52 |
| Female | 172,252 | 53% | 82,637 | 54% | 52,511 | 54% | 18,017 | 55% | 9,465 | 55% | ||||
| Indeterminate / Unknown* | 4,557 | 1% | 877 | 1% | 414 | 0% | 161 | 0% | 87 | 0% | ||||
| Age band | <40 | 17,797 | 5% | 5,818 | 4% | 2,781 | 3% | 832 | 3% | 228 | 1% | <0.001 | <0.001 | <0.001 |
| 40-44 | 15,811 | 5% | 5,593 | 4% | 2,841 | 3% | 903 | 3% | 301 | 2% | ||||
| 45-49 | 22,604 | 7% | 8,449 | 6% | 4,602 | 5% | 1,469 | 4% | 525 | 3% | ||||
| 50-54 | 32,021 | 10% | 12,735 | 8% | 7,256 | 8% | 2,388 | 7% | 967 | 6% | ||||
| 55-59 | 37,938 | 12% | 16,647 | 11% | 10,016 | 10% | 3,383 | 10% | 1,655 | 10% | ||||
| 60-64 | 40,880 | 13% | 19,656 | 13% | 12,743 | 13% | 4,247 | 13% | 2,305 | 13% | ||||
| 65-69 | 46,787 | 14% | 25,481 | 17% | 17,517 | 18% | 6,205 | 19% | 3,710 | 22% | ||||
| 70-74 | 48,106 | 15% | 26,616 | 17% | 18,229 | 19% | 6,244 | 19% | 3,684 | 21% | ||||
| 75+ | 62,641 | 19% | 31,281 | 21% | 20,457 | 21% | 6,994 | 21% | 3,877 | 22% | ||||
| Unknown | 114 | 0% | 18 | 0% | 0 | 0% | 0 | 0% | 0 | 0% | ||||
| Mean age | 62 | - | 64 | - | 65 | - | 65 | - | 67 | - | ||||
| SD of age | 13.4 | - | 12.4 | - | 11.7 | - | 11.5 | - | 10.2 | - | ||||
| Ethnicity | Asian | n/a | n/a | 17,364 | 11% | 10,249 | 11% | 3,381 | 10% | 1,382 | 8% | n/a | <0.001 | <0.001 |
| Black | n/a | n/a | 9,567 | 6% | 5,402 | 6% | 2,099 | 6% | 959 | 6% | ||||
| Mixed | n/a | n/a | 2,539 | 2% | 1,673 | 2% | 559 | 2% | 249 | 1% | ||||
| Other | n/a | n/a | 1,432 | 1% | 765 | 1% | 220 | 1% | 82 | 0% | ||||
| White | n/a | n/a | 105,315 | 69% | 69,477 | 72% | 23,113 | 71% | 13,006 | 75% | ||||
| Unknown | n/a | n/a | 16,077 | 11% | 8,876 | 9% | 3,293 | 10% | 1,574 | 9% | ||||
| Deprivation quintile | IMD 1 (most deprived) | 68,616 | 21% | 29,388 | 19% | 16,357 | 17% | 5,634 | 17% | 2,500 | 14% | <0.001 | <0.001 | <0.001 |
| IMD 2 | 65,469 | 20% | 29,604 | 19% | 17,472 | 18% | 6,368 | 19% | 3,222 | 19% | ||||
| IMD 3 | 62,733 | 19% | 30,141 | 20% | 19,378 | 20% | 7,038 | 22% | 3,865 | 22% | ||||
| IMD 4 | 61,798 | 19% | 30,446 | 20% | 20,300 | 21% | 6,747 | 21% | 3,725 | 22% | ||||
| IMD 5 (least deprived) | 65,108 | 20% | 32,247 | 21% | 22,721 | 24% | 6,779 | 21% | 3,888 | 23% | ||||
| Unknown | 975 | 0% | 468 | 0% | 214 | 0% | 99 | 0% | 52 | 0% | ||||
| BMI grouping at IA | Underweight/Healthy | n/a | n/a | 22,953 | 15% | 14,033 | 14% | 4,373 | 13% | 2,558 | 14% | n/a | <0.001 | <0.001 |
| Overweight | n/a | n/a | 50,850 | 33% | 32,640 | 34% | 10,393 | 32% | 5,938 | 34% | ||||
| Obese | n/a | n/a | 67,390 | 44% | 43,370 | 45% | 13,516 | 41% | 6,809 | 39% | ||||
| Unknown | n/a | n/a | 11,101 | 7% | 6,399 | 7% | 4,383 | 13% | 1,947 | 11% | ||||
| Mean BMI at IA | n/a | n/a | 30.3 | - | 30.3 | - | 30.3 | - | 29.9 | - | ||||
| SD of BMI at IA | n/a | n/a | 6.1 | - | 6.0 | - | 5.9 | - | 5.7 | - | ||||
| Mean Weight at IA (kg) | Mean weight at IA (kg) | n/a | n/a | 83.9 | - | 84 | - | 83.6 | - | 82.6 | - | |||
| SD of weight at IA (kg) | n/a | n/a | 19.1 | - | 18.9 | - | 18.7 | - | 18.1 | - |
*
Indeterminate and unknown grouped together due to suppression of small numbers