Skip to main content
. 2017 Apr 3;7(4):e014456. doi: 10.1136/bmjopen-2016-014456

Table 1.

Participant characteristics

Characteristic Sample
N=1109
‘Physically active and non-obese’
n=493; 45.9%
‘Physically active and obese’
n=118; 10.7%
‘Physically inactive and non-obese’
n=343; 29.9%
‘Physically inactive and obese’
n=155; 13.5%
Age (years)* 51.0 (16.5) 46.0 (14.7) 51.1 (13.2) 55.2 (18.4) 58.4 (15.0)
Body mass index (kg/m2)* 27.3 (4.8) 25.1 (2.7) 33.4 (3.0) 25.5 (3.2) 34.3 (3.9)
 By sex
  Men 27.6 (4.2) 25.4 (2.6) 33.3 (2.5) 26.3 (2.6) 34.2 (3.1)
  Women 27.0 (5.4) 24.6 (2.9) 33.5 (3.6) 24.8 (3.4) 34.4 (4.4)
Waist circumference (cm)* 92.9 (13.9) 87.3 (10.5) 106.9 (9.5) 89.6 (12.2) 109.1 (11.3)
 By sex
  Men 98.4 (12.1) 92.2 (9.0) 112.0 (7.6) 97.6 (9.4) 114.1 (9.0)
  Women 87.2 (13.5) 81.1 (8.9) 101.2 (7.9) 83.3 (10.1) 104.8 (11.4)
Ethnicity†
 White 1055 (94.2) 470 (94.7) 112 (94.3) 324 (93.4) 149 (94.7)
 Non-white 54 (5.8) 23 (5.3) 6 (5.7) 19 (6.6) 6 (5.3)
Income†
 Low 287 (24.0) 92 (16.7) 31 (24.3) 111 (30.6) 53 (33.5)
 Intermediate 364 (33.5) 159 (32.9) 43 (38.5) 107 (32.0) 55 (35.6)
 High 458 (42.5) 242 (50.4) 44 (37.2) 125 (37.4) 47 (30.9)
Sex†
 Men 523 (50.2) 257 (55.4) 60 (53.5) 142 (43.5) 64 (45.0)
 Women 586 (49.8) 236 (44.6) 58 (46.5) 201 (56.5) 91 (55.0)
Any prescribed medication†
 No 503 (47.7) 278 (58.0) 57 (49.3) 129 (40.1) 39 (28.5)
 Yes 606 (52.3) 215 (42.0) 61 (50.7) 214 (59.9) 116 (71.5)
Accelerometer wear-time* (number of minutes/valid day) 867.7 (72.1) 873.2 (68.9) 870.4 (77.1) 854.9 (74.7) 875.1 (69.3)
Total accumulated moderate-to-vigorous-intensity physical activity time* (number of minutes/valid day) 30.8 (25.8) 47.2 (25.5) 41.3 (18.6) 11.5 (6.4) 9.7 (5.9)
Moderate-to-vigorous-intensity physical activity time in bouts of ≥10 min* (number of minutes/valid day) 10.8 (16.2) 39.8 (22.0) 36.4 (11.7) 5.6 (6.1) 4.5 (5.8)
Number of valid days†
 4 46 (4.5) 17 (3.9) 9 (8.0) 12 (3.5) 8 (6.1)
 5 80 (7.5) 32 (6.7) 5 (4.3) 31 (9.3) 12 (8.5)
 6 209 (19.7) 89 (18.4) 20 (18.0) 77 (24.1) 23 (15.8)
 7 774 (68.3) 355 (71.0) 84 (69.7) 223 (63.1) 112 (69.6)
Glycated haemoglobin (HbA1c) (mmol/mol)* 38.1 (7.3) 36.1 (4.9) 38.5 (4.8) 39.2 (9.2) 41.9 (8.7)
(%)* 5.63 (0.67) 5.45 (0.45) 5.67 (0.44) 5.74 (0.84) 5.98 (0.79)

All analyses controlled for primary sampling units, clustering and survey weights.

*Continuous variable; mean (SD).

†Categorical variable; n (proportion (%)).