Table 3.
Weight change (N=1534) | HbA1c change (N=1502) | ||||||||||||
N | Mean baseline weight | Mean weight change at 12 months | 95% CI lower | 95% CI upper | P value* | N | Mean baseline HbA1c | Mean HbA1c change at 12 months | 95% CI lower | 95% CI upper | P value* | ||
Overall | 1534 | 86.7 | −3.1 | −3.4 | −2.8 | n/a | 1502 | 43.2 | −1.6 | −1.8 | −1.4 | n/a | |
Age | 18–44 | 158 | 90.2 | −2.1 | −3.2 | −1.0 | 0.0162 | 149 | 43.1 | −1.8 | −2.4 | −1.2 | 0.6088 |
45–54 | 290 | 91.0 | −2.5 | −3.2 | −1.7 | 281 | 43.3 | −1.6 | −1.9 | −1.2 | |||
55–64 | 500 | 87.3 | −3.7 | −4.2 | −3.1 | 486 | 43.0 | −1.5 | −1.8 | −1.3 | |||
65–74 | 449 | 84.5 | −3.3 | −3.8 | −2.7 | 453 | 43.3 | −1.7 | −2.0 | −1.4 | |||
75+ | 137 | 78.9 | −3.2 | −4.1 | −2.4 | 133 | 43.4 | −1.3 | −1.8 | −0.8 | |||
Sex | Male | 764 | 86.9 | −3.1 | −3.6 | −2.7 | 0.9636 | 738 | 43.1 | −1.5 | −1.8 | −1.3 | 0.5913 |
Female | 769 | 86.5 | −3.1 | −3.5 | −2.7 | 763 | 43.3 | −1.7 | −1.9 | −1.4 | |||
Indeterminate | 1 | 73.0 | −1.5 | 1 | 46.0 | −4.0 | |||||||
Ethnicity | White | 1199 | 88.5 | −3.6 | −3.9 | −3.2 | <0.0001 | 1172 | 43.2 | −1.6 | −1.8 | −1.4 | 0.4492 |
Mixed | 47 | 86.2 | −2.1 | −3.8 | −0.5 | 45 | 43.3 | −1.6 | −2.5 | −0.7 | |||
Asian | 224 | 76.2 | −1.2 | −1.8 | −0.7 | 227 | 43.1 | −1.8 | −2.2 | −1.3 | |||
Black | 57 | 91.4 | −2.5 | −4.3 | −0.7 | 52 | 43.9 | −1.6 | −2.3 | −0.8 | |||
Other | 7 | 85.6 | −0.9 | −5.4 | 3.5 | 6 | 41.8 | 0.5 | −5.2 | 6.2 | |||
Deprivation | IMD 1 (most deprived) | 226 | 88.0 | −2.6 | −3.5 | −1.8 | <0.0001 | 221 | 43.4 | −1.9 | −2.3 | −1.6 | 0.3001 |
IMD 2 | 298 | 87.8 | −2.5 | −3.2 | −1.8 | 290 | 43.3 | −1.4 | −1.8 | −1.0 | |||
IMD 3 | 379 | 87.2 | −2.5 | −3.2 | −1.9 | 386 | 43.3 | −1.6 | −1.9 | −1.2 | |||
IMD 4 | 343 | 86.1 | −4.4 | −5.0 | −3.7 | 331 | 43.1 | −1.5 | −1.8 | −1.1 | |||
IMD 5 (least deprived) | 288 | 84.8 | −3.4 | −4.1 | −2.7 | 274 | 42.8 | −1.7 | −2.1 | −1.4 | |||
Rural/urban | Mainly rural | 204 | 87.6 | −3.0 | −3.8 | −2.2 | <0.0001 | 219 | 43.7 | −2.4 | −2.8 | −1.9 | <0.0001 |
Largely rural | 311 | 88.2 | −3.2 | −3.9 | −2.5 | 310 | 43.3 | −0.6 | −0.9 | −0.2 | |||
Urban with significant rural | 170 | 88.3 | −3.7 | −4.7 | −2.7 | 179 | 42.2 | −0.9 | −1.4 | −0.4 | |||
Urban with city and town | 379 | 85.9 | −4.7 | −5.3 | −4.0 | 301 | 43.2 | −2.2 | −2.5 | −1.9 | |||
Urban with major and conurbation | 470 | 85.5 | −1.7 | −2.2 | −1.2 | 493 | 43.3 | −1.8 | −2.1 | −1.6 | |||
BMI grouping | Healthy | 182 | 65.9 | −1.7 | −2.2 | −1.2 | 0.0007 | 180 | 43.1 | −1.9 | −2.2 | −1.5 | 0.4325 |
Obese | 777 | 98.3 | −3.6 | −2.2 | −1.2 | 752 | 43.4 | −1.5 | −1.8 | −1.3 | |||
Overweight | 575 | 77.7 | −2.9 | −2.2 | −1.2 | 570 | 43.0 | −1.6 | −1.9 | −1.4 | |||
Highest education | No qualifications | 177 | 85.1 | −2.2 | −3.2 | −1.3 | 0.0773 | 176 | 43.4 | −1.4 | −1.9 | −1.0 | 0.5798 |
School leaver | 755 | 87.3 | −3.1 | −3.5 | −2.6 | 757 | 43.3 | −1.7 | −1.9 | −1.5 | |||
Degree level | 602 | 86.5 | −3.4 | −3.9 | −3.0 | 569 | 43.0 | −1.6 | −1.8 | −1.3 | |||
Peer support | No | 1071 | 86.3 | −2.5 | −2.9 | −2.2 | <0.0001 | 1104 | 43.1 | −1.4 | −1.6 | −1.2 | <0.0001 |
Yes | 463 | 87.8 | −4.5 | −5.1 | −3.8 | 398 | 43.4 | −2.2 | −2.5 | −1.9 | |||
Wearables provided | No | 1207 | 86.4 | −2.5 | −2.8 | −2.2 | <0.0001 | 1254 | 43.2 | −1.6 | −1.7 | −1.4 | 0.4462 |
Yes | 327 | 87.9 | −5.4 | −6.2 | −4.6 | 248 | 43.2 | −1.7 | −2.2 | −1.3 | |||
Telephone service | No | 540 | 88.2 | −4.2 | −4.8 | −3.6 | <0.0001 | 477 | 43.6 | −1.9 | −2.2 | −1.7 | 0.0039 |
Yes | 994 | 85.9 | −2.5 | −2.9 | −2.2 | 1025 | 43.0 | −1.4 | −1.6 | −1.3 | |||
Text service | No | 297 | 86.1 | −2.6 | −3.2 | −1.9 | 0.0916 | 308 | 43.7 | −2.3 | −2.6 | −2.0 | <0.0001 |
Yes | 1237 | 86.9 | −3.3 | −3.6 | −2.9 | 1194 | 43.1 | −1.4 | −1.6 | −1.2 | |||
Provider | Provider 1 | 77 | 90.8 | −2.7 | −4.1 | −1.3 | <0.0001 | 79 | 44.1 | −0.8 | −1.5 | −0.1 | <0.0001 |
Provider 2 | 297 | 86.1 | −2.6 | −3.2 | −1.9 | 308 | 43.7 | −2.3 | −2.6 | −2.0 | |||
Provider 3 | 213 | 88.7 | −2.4 | −3.1 | −1.6 | 229 | 44.0 | −2.2 | −2.5 | −1.8 | |||
Provider 4 | 250 | 87.0 | −6.2 | −7.1 | −5.4 | 169 | 42.8 | −2.2 | −2.7 | −1.6 | |||
Provider 5 | 697 | 85.9 | −2.5 | −2.9 | −2.1 | 717 | 42.8 | −1.1 | −1.3 | −0.8 | |||
Location | Location 1 | 160 | 84.3 | −5.7 | −6.8 | −4.6 | <0.0001 | 89 | 43.2 | −2.4 | −3.1 | −1.6 | <0.0001 |
Location 2 | 157 | 90.0 | −3.3 | −4.3 | −2.2 | 162 | 41.4 | −0.6 | −1.1 | −0.1 | |||
Location 3 | 185 | 81.0 | −0.9 | −1.5 | −0.2 | 183 | 42.0 | −1.3 | −1.8 | −0.8 | |||
Location 4 | 109 | 89.5 | −3.8 | −4.9 | −2.6 | 108 | 43.5 | −2.7 | −3.3 | −2.2 | |||
Location 5 | 142 | 84.7 | −3.0 | −4.0 | −2.0 | 141 | 43.5 | −2.5 | −2.8 | −2.1 | |||
Location 6 | 138 | 89.1 | −2.2 | −3.2 | −1.2 | 153 | 44.2 | −2.0 | −2.4 | −1.5 | |||
Location 7 | 432 | 87.3 | −3.0 | −3.5 | −2.4 | 451 | 43.8 | −1.1 | −1.4 | −0.8 | |||
Location 8 | 155 | 87.3 | −2.2 | −3.0 | −1.3 | 167 | 43.8 | −2.2 | −2.6 | −1.8 | |||
Location 9 | 56 | 90.9 | −7.8 | −9.8 | −5.8 | 48 | 41.2 | −1.1 | −2.2 | −0.1 |
*Analysis of variance.
BMI, body mass index; HbA1c, glycated hemoglobin; IMD, Index of Multiple Deprivation.