Appendix 1

Baseline predictors and comparison of intervention and control groups.

CharacteristicIntervention (n = 313)Control (n = 316)
Age in years, n (%)
 <4048 (15.3)51 (16.1)
 40–59130 (41.5)130 (41.1)
 ≥60135 (43.1)135 (42.7)
Female, n (%)219 (70.0)220 (69.6)
Ethnicity: white, n (%)298 (95.2)299 (94.6)
Lives alone, n (%)82 (26.2)93 (29.4)
Highest educational qualification,a n (%)
 None or up to GCSE/O level123 (39.4)102 (32.4)
 A-level, vocational, or professional138 (44.2)160 (50.8)
 Degree51 (16.4)53 (16.8)
Accommodation: owner-occupied, n (%)214 (68.4)214 (67.7)
Self-reported main chronic condition, n (%)
 Musculoskeletal106 (33.9)107 (33.9)
 Diabetes35 (11.2)37 (11.7)
 Heart disease16 (5.1)18 (5.7)
 Other156 (49.8)154 (48.7)
Medically unexplained symptoms (defined as: back pain, myalgic encephalomyelitis, chronic fatigue, irritable bowel syndrome), n (%)59 (18.9)70 (22.2)
Years spent living with the condition,a n (%)
 <582 (26.9)90 (29.0)
 5–968 (22.3)71 (22.9)
 ≥10155 (50.8)149 (48.1)
Life satisfaction (satisfaction with work, finances, leisure, friendships, accommodation, living arrangements, family relationships, and personal safety), mean (SD)4.6 (0.9)4.7 (0.9)
Self-care activities (number of self-reported activities out of: diet, exercise, complementary approaches, relaxation, and information seeking), mean (SD)11.0 (2.4)11.2 (2.4)
Self-reported general health, n (%)
 Fair/poor191 (61.0)190 (60.1)
 Good/very good/excellent122 (39.0)126 (39.9)
Self-reported baseline health characteristics, mean (SD)
 Self-efficacy45.9 (21.5)47.7 (22.3)
 Energy32.6 (19.5)33.3 (20.1)
 Health-related quality of life47.1 (33.5)47.5 (33.1)
 Healthcare use8.6 (7.3)9.1 (8.1)
Preference for course (measured on 7-point scale from ‘Start the course now’ to ‘Wait 6 months’), mean (SD)3.2 (1.8)3.4 (1.8)
  • a Cells do not sum to total sample due to missing values.