Table 1.

Sample characteristic by sex*

	Male	Female	Total	p Value
n (%)	1095 (46.9)	1239 (53.1)	2334
Age (years)	54.0 (14.4)	54.3 (13.8)	54.1 (14.1)	0.648
Baseline weight (kg)	87.2 (15.3)	73.5 (16.1)	79.9 (17.2)	<0.001
Follow-up weight (kg)	87.9 (16.0)	74.0 (16.2)	80.5 (17.5)	<0.001
Annual weight gain (kg)	0.17 (1.35)	0.12 (1.46)	0.14 (1.41)	0.449
Baseline BMI status
Normal	21.9	34.5	28.6	<0.001
Overweight	48.9	34.2	41.1
Obese	29.2	31.2	30.3
Baseline income ($)
<20 000	196 (17.9)	332 (26.9)	528
20 000–60000	529 (48.4)	543 (44.0)	1072
>60 000	338 (31.0)	308 (24.9)	646
Not stated	29 (2.7)	52 (4.2)	81	<0.001
Baseline smoking status
Non-smoker	444 (40.7)	642 (52.0)	1086
Current or ex-smoker	647 (59.3)	593 (48.0)	1240	<0.001
Baseline physical activity
Sedentary	252 (25.9)	345 (30.4)	597
Low exercise level	323 (33.2)	448 (39.5)	771
Moderate exercise level	291 (29.9)	285 (25.1)	576
High exercise level	106 (10.9)	56 (4.9)	162	<0.001
Depression (baseline)
No depressive symptoms	995 (91.3)	1043 (85.4)	2038
Mild depression	61 (5.6)	122 (10.0)	183
Moderate to severe depression	34 (3.1)	56 (4.6)	90	<0.001
Depression (follow-up)
No depressive symptoms	907 (85.6)	958 (79.6)	1865
Mild depression	101 (9.5)	151 (12.5)	252
Moderate to severe depression	52 (4.9)	95 (7.9)	147	<0.001
Any antidepressant †	0.4 (1.7)	0.9 (2.5)	0.7 (2.2)	<0.001
TCAs †	0.1 (0.6)	0.2 (1.3)	0.1 (1.0)	<0.001
SSRIs †	0.2 (1.3)	0.4 (1.6)	0.3 (1.4)	0.019
Other antidepressant †	0.1 (0.8)	0.3 (1.5)	0.2 (1.2)	<0.001

*Values are n (%) or mean (SD).

†Annual number of prescriptions.

BMI, body mass index; SSRI, selective serotonin reuptake inhibitor; TCA, tricyclic antidepressant.