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. 2018 Jun 13;361:k2241. doi: 10.1136/bmj.k2241

Table 1.

Baseline patient characteristics. Values are numbers (percentages) unless stated otherwise

Characteristic Telephone health coaching
(n=289)
Usual care
(n=288)
Mean (SD) age (years) 70.7 (8.8) 70.2 (7.8)
Age ≥65 years 221 (76) 231 (80)
Men 183 (63) 183 (64)
White race 283 (98) 284 (99)
Median (interquartile range) age at completion of full time education (years)* 15 (15-16) 15 (15-16)
Highest level of qualification:
 No formal qualification 128 (44) 135 (47)
 GCSE, CSE, O Level equivalent 58 (20) 63 (22)
 A Level, AS Level, or equivalent 27 (9) 24 (8)
 Degree level or higher 35 (12) 41 (14)
 Other 40 (14) 23 (8)
 Missing 1 (<1) 2 (1)
Lives alone 83 (29) 69 (24)
Employment status†:
 Paid work 58 (20) 53 (18)
 Unemployed or looking for work 3 (1) 5 (2)
 Retired from paid work 216 (75) 214 (74)
 Looking after family or home 8 (3) 9 (3)
 Unable to work owing to health problems 8 (3) 7 (2)
 Other 5 (2) 9 (3)
Clinical characteristics
Current smoker 75 (26) 55 (19)
Mean (SD) body mass index (kg/m2) 27.1 (4.4) 27.4 (4.9)
MRC dyspnoea scale score:
 1 89 (31) 76 (26)
 2 200 (69) 212 (74)
Mean (SD) FEV1 predicted (%) 71.2 (18.9) 72.1 (18.7)
FEV1 predicted (%):
 <30 1 (<1) 2 (1)
 30-49 39 (13) 33 (11)
 50-79 160 (55) 149 (52)
 ≥80 89 (31) 104 (36)
Comorbidities:
 Cancer 34 (12) 37 (13)
 Diabetes 32 (11) 36 (13)
 High blood pressure 135 (47) 123 (43)
 Coronary heart disease 34 (12) 44 (15)
 Heart failure 15 (5) 10 (3)
 Stroke or mini-stroke 16 (6) 25 (9)
 Asthma 98 (34) 100 (35)
 Tuberculosis 6 (2) 10 (3)
 Osteoarthritis 46 (16) 56 (19)
 Rheumatoid arthritis 22 (8) 25 (9)
 Osteoporosis 13 (5) 20 (7)
 Depression 44 (15) 57 (20)
 Other condition 37 (13) 52 (18)
Medication taken regularly for lung problems:
 Beta-2 agonist 201 (70) 197 (68)
 Inhaled steroid 27 (9) 39 (14)
 Atrovent or Spiriva 109 (38) 117 (41)
 Seretide 88 (30) 92 (32)
 Symbicort 33 (11) 21 (7)
 Theophylline or aminophylline tablets 7 (2) 6 (2)
 Steroid tablets 5 (2) 9 (3)
Antibiotic or steroid course, or both, in past 12 months 135 (47) 135 (47)
Health related quality of life
Mean (SD) SGRQ-C total score 27.8 (14.6) 29.5 (14.5)
Mean (SD) SGRQ-C symptoms score 48.5 (21.7) 47.9 (20.7)
Mean (SD) SGRQ-C activity score 36.3 (21.0) 38.7 (21.3)
Mean (SD) SGRQ-C impact score 15.4 (13.4) 17.6 (13.9)
Mean (SD) EuroQoL 5 Dimensions 5 Levels score 0.90 (0.13) 0.89 (0.13)
Anxiety and depression‡
Mean (SD) anxiety subscale score 3.8 (3.4) 4.3 (3.8)
Mean (SD) depression subscale score 2.9 (2.6) 3.1 (2.8)
Physical activity
Mean (SD) minutes of MVPA/week by accelerometry 372.1 (305.1) 379.1 (282.9)
Mean (SD) moderate MET minutes/week§ 766.4 (1253.9) 941.5 (1437.6)
Mean (SD) vigorous MET minutes /week§ 809.4 (1771.5) 910.2 (1997.4)
Self efficacy
Mean (SD) Stanford self efficacy score 8.3 (1.6) 8.0 (1.7)

FEV1=forced expiratory volume in one second; SGRQ-C=St George's Respiratory Questionnaire; MVPA=moderate to vigorous physical activity; MET=metabolic equivalent.

*

One subject in the telephone health coaching group never went to school.

Not mutually exclusive, participants could tick all that applied.

Using the Hospital Anxiety and Depression Scale.

§

Using the International Physical Activity Questionnaire.