Table 1 Participant characteristics at baseline (n (%) unless indicated)
Control n = 157 unless indicated | Intervention n = 157 unless indicated | Total sample n = 314 unless indicated | ||
|---|---|---|---|---|
Stratification & minimisation variables | ||||
Site | Exeter | 86 (55) | 84 (54) | 170 (54) |
Birmingham | 71 (45) | 73 (47) | 144 (46) | |
Gender (men) | 69 (44) | 68 (43) | 137 (44) | |
Age categories | 18–54 years | 39 (25) | 39 (25) | 78 (25) |
55–64 years | 43 (27) | 45 (29) | 88 (28) | |
65–75 years | 75 (48) | 73 (47) | 148 (47) | |
BMI categories | 23–29.99 kg/m2= | 65 (41) | 64 (41) | 129 (41) |
30–36.99 kg/m2 | 72 (46) | 72 (46) | 144 (46) | |
37–45 kg/m2 | 20 (13) | 21 (13) | 41 (13) | |
Socio-demographic & socio-economic characteristics | ||||
Mean (SD) age (years) | 61.29 (9.86) | 61.46 (9.99) | 61.38 (9.91) | |
Ethnicity | White British | 107 (68) | 124 (79) | 231 (74) |
White other | 10 (6) | 2 (1) | 12 (4) | |
Asian | 26 (17) | 20 (13) | 46 (15) | |
Black | 12 (8) | 10 (6) | 22 (7) | |
Mixed | 2 (1) | 1 (1) | 3 (1) | |
Employment status | Retired | 73 (47) | 79 (50) | 152 (48) |
Employed/self employed | 65 (41) | 56 (36) | 121 (39) | |
Unemployed | 12 (8) | 13 (8) | 25 (8) | |
Long-term sick/disabled | 2 (1) | 3 (2) | 5 (2) | |
Carer | 1 (1) | 4 (3) | 5 (2) | |
Other | 4 (3) | 2 (1) | 6 (2) | |
Level of education | Primary | 5 (3)a | 2 (1) | 7 (2)b |
Some secondary | 5 (3)a | 2 (1) | 7 (2)b | |
Secondary to 16 years | 52 (33)a | 50 (32) | 102 (33)b | |
Secondary to 18 years | 10 (6)a | 11 (7) | 21 (7)b | |
Additional training | 47 (30)a | 59 (38) | 106 (34)b | |
Undergraduate | 24 (15)a | 22 (14) | 46 (15)b | |
Postgraduate | 13 (8)a | 11 (7) | 24 (8)b | |
Median (IQR) Index of Multiple Deprivation score (IMD) | 20.38 (21.33) | 19.42 (21.72) | 19.75* (21.19) | |
IMD quintiles | 1 most deprived | 16 (10) | 21 (13) | 37 (12) |
2 | 32 (20) | 33 (21) | 65 (21) | |
3 | 35 (22) | 39 (25) | 74 (24) | |
4 | 42 (27) | 32 (20) | 74 (24) | |
5 least deprived | 32 (20) | 32 (20) | 64 (20) | |
Clinical characteristics | ||||
Any long term condition | 114 (73) | 115 (74)c | 229 (73)d | |
Smoking | 13 (8) | 22a (14) | 35b (11) | |
Disability | 20 (13) | 19 (12) | 39 (12) | |
Mean (SD) weight (kg) | 86.82 (13.37) | 87.74 (16.76) | 87.28 (15.14) | |
Mean (SD) HbA1c (mmol/mol) from point-of-care test | 39.69 (2.73) | 39.88 (3.06) | 39.79 (2.90) | |
HbA1c in non-diabetic hyperglycaemia range (42–47 mmol/mol) from point-of-care test | 42 (27) | 45 (29) | 87 (28) | |