Table 2: Characteristics of study population at baseline, by baseline weight category.

CharacteristicHealthy weight
( )
(%)
Overweight
( )
(%)
Obese
( )
(%)

Age, mean years (± SD)47.5 (±1.4)47.6 (±1.5)47.6 (±1.5)
Marital status
 Married/de facto4253 (83.7)2217 (85.8)1115 (84.4)
 Divorced/separated/widowed667 (13.2)289 (11.1)158 (11.9)
 Single160 (3.2)79 (3.1)47 (3.6)
Education
 No qualifications677 (13.3)480 (18.5)324 (24.5)
 School certificate2440 (47.9)1262 (48.6)655 (49.4)
 Trade/apprenticeship/higher education1980 (38.9)854 (32.9)346 (26.1)
Physical activity*
 High970 (19.1)402 (15.5)154 (11.7)
 Moderate1397 (27.6)664 (25.7)278 (21.1)
 Low1509 (29.8)809 (31.3)435 (33.0)
 Nil/sedentary1191 (23.5)713 (27.6)451 (34.2)
Smoking
 Never2680 (54.0)1338 (52.7)688 (53.0)
 Ex-smoker1397 (28.1)786 (30.9)375 (28.9)
 Current 886 (17.9)417 (16.4)235 (18.1)
Alcohol intake
 Low risk2793 (55.1)1276 (49.3)512 (38.8)
 None642 (12.7)375 (14.5)233 (17.7)
 Rarely1362 (26.9)811 (31.4)516 (39.1)
 Risky268 (5.3)124 (4.8)58 (4.4)
History of diabetes61 (1.2)50 (1.9)60 (4.5)
History of cardiovascular disease99 (2.0)56 (2.2)33 (2.6)

Physical activity defined as nil/sedentary (0–39 metabolic equivalent (MET) min/wk), low (40–599 MET min/wk), moderate (600–1199 MET min/wk), and high (≥1200 MET min/wk).
Alcohol intake defined as low-risk (up to 14 drinks per week), none, rarely (any alcohol consumption less than once a month), and “Risky” (≥15 to 28 drinks per week).