Table 1

 Demographic and tumour characteristics for all cases, exercisers and non-exercisers, and “healthy” and “action level” waist circumference groups

CharacteristicAll cases (n = 526)Exercisers (n = 229)Non-exercisers (n = 297)“Healthy” waist circumference (n = 214)“Action level” waist circumference (n = 312)
Age at diagnosis (y)
    Median66.868.667.666.568.1
    Range42.0–79.442.9–79.642.0–79.642.0–79.644.0–79.2
Sex (No (%))
    Male270 (51)119 (52)151 (51)101 (47)169 (54)
    Female256 (49)110 (48)146 (49)113 (53)143 (46)
AJCC stage (No (%))
    I123 (23)55 (24)68 (23)52 (24)71 (23)
    II149 (28)61 (27)88 (30)55 (26)94 (30)
    III148 (28)70 (31)78 (26)63 (29)85 (27)
    IV92 (17)38 (17)54 (18)38 (18)54 (17)
    Unknown14 (3)5 (2)9 (3)6 (3)8 (3)
Site of primary tumour (No (%))
    Right colon169 (32)67 (29)102 (34)65 (30)104 (33)
    Splenic flexure2 (0)2 (1)0 (0)0 (0)2 (1)
    Left colon165 (31)73 (32)92 (31)65 (30)100 (32)
    Rectum175 (33)80 (35)95 (32)77 (36)98 (31)
    Unknown15 (3)7 (3)8 (3)7 (3)8 (3)
Degree of differentiation (No (%))
    Well41 (8)16 (7)25 (8)13 (6)28 (9)
    Moderately300 (57)136 (59)164 (55)126 (59)174 (56)
    Poorly117 (22)49 (21)68 (23)47 (22)70 (22)
    Unknown68 (13)28 (12)40 (13)28 (13)40 (13)
Adjuvant chemotherapy (No (%))
    Yes157 (30)70 (31)87 (29)67 (31)90 (29)
    No353 (67)152 (66)201 (68)138 (64)215 (69)
    Unknown16 (3)7 (3)9 (3)9 (4)7 (2)
Adjuvant radiotherapy (No (%))
    Yes52 (10)19 (8)33 (11)23 (11)29 (9)
    No458 (87)203 (89)255 (86)182 (85)276 (88)
    Unknown16 (3)7 (3)9 (3)9 (4)7 (2)
Body mass index (kg/m2) (No (%))
    <25163 (31)85 (37)78 (26)139 (65)24 (8)
    25–30236 (45)103 (45)133 (45)71 (33)165 (53)
    >30127 (24)41 (18)86 (29)4 (2)123 (39)