Baseline characteristics by randomisation
| Characteristic (mean (SD)/% frequency) | Control (n=39) | Treatment (n=37) |
| Age (years) | 50 (15)* | 44 (12)* |
| BMI (kg/m2) | 31.6 (6.3)* | 29.3 (4.3)* |
| FTND (scores range: 1–10) | 5.7 (2.2) | 5.8 (2.1) |
| MPSS-M (scores range: 7–35) | 12.7 (5.7) | 12.8 (4.1) |
| MPSS-C (scores range: 0–10) | 6.9 (1.7) | 7.3 (1.1) |
| MPSS-P (scores range: 3–15) | 4.2 (1.8) | 3.9 (1.1) |
| MPSS-T (scores range: 10–60) | 23.8 (7.3) | 24.1 (4.9) |
| EQ-5D | ||
| Index value | 0.759 (0.268) | 0.848 (0.105) |
| VAS (100-point scale) | 61 (23) | 67 (15) |
| Using religion to cope score (scores range: 1–10) | (n=23) | (n=21) |
| 2.7 (2.6) | 3.7 (2.9) | |
| Gender | (n=38) | (n=33) |
| Male | 29% | 44% |
| Female | 71% | 56% |
| Ethnicity | ||
| White British | 92% | 84% |
| Indian | 3% | |
| Unknown | 3% | 13% |
| Highest qualification | (n=38) | (n=32) |
| No formal qualification | 18% | 25% |
| GCSEs/O levels | 21% | 28% |
| A levels | 42% | 31% |
| Degree | 13% | 9% |
| Higher degree | 6% | 7% |
| Employment | (n=38) | (n=32) |
| Employed | 55% | 63% |
| Long-term sick | 11% | 0% |
| Looking after others | 3% | 6% |
| Retired | 21% | 13% |
| Unemployed | 8% | 13% |
| Other | 2% | 5% |
| Religious | (n=37) | (n=30) |
| No | 95% | 87% |
| Yes | 5% | 13% |
| Supportiveness of religious community | (n=20) | (n=14) |
| A lot | 5% | 35% |
| A little | 15% | 25% |
| Not at all | 80% | 30% |
| Impact of religious belief | (n=11) | (n=10) |
| Comfort | 91% | 100% |
| Stress | 9% | 0% |
| Pharmacotherapy used | (n=16) | (n=15) |
| Nicotine replacement therapy | 38% | 40% |
| Varenicline | 62% | 60% |
| Family history of diabetes | (n=36) | (n=31) |
| Yes | 25% | 26% |
| No | 75% | 74% |
| Impaired glucose tolerance | ||
| Yes | 16% | 19% |
| No | 84% | 81% |
| Absolute diabetes prevalence | (n=32) | (n=32) |
| Yes | 14% | 13% |
| No | 86% | 87% |
*P<0.1 between control and treatment groups.
A level, advanced level exams; BMI, body mass index; FTND, Fagerström Test for Nicotine Dependence; GCSE, General Certificate of Secondary Education; O level, ordinary level exams; MPSS-C, Mood and Physical Symptoms Scale craving domain; MPSS-M, Mood and Physical Symptoms Scale mood domain; VAS, Visual Analogue Scale.