Prospective Associations of the Short Form Health Survey Vitality Scale and Changes in Body Mass Index and Obesity Status
Table 1
Characteristics of participants in the Metropolit 1953 Danish Male Birth Cohort, the Danish Longitudinal Study on Work, Unemployment and Health, and the total study sample.
MP
DALWUH
value1
2371
1141
—
Sex (%)
0.000 (by design)
Men
100.0
42.7
Women
0
57.3
Age, M (SD)
51.0 (0.2)
52.8 (5.0)
0.000 (by design)
Level of education (%)
0.070
High
39.4
41.0
Medium
47.3
48.5
Low
13.3
10.5
BMI at baseline, M (SD)
25.9 (3.8)
25.4 (4.2)
0.000
Obesity baseline (%)
0.304
Yes
10.7
11.8
No
89.3
88.2
BMI at follow-up, M (SD)
26.3 (3.8)
25.9 (4.4)
0.000
Obesity follow-up (%)
0.166
Yes
15.8
14.0
No
85.2
86.0
Physical activity (%)
0.000
High
27.3
34.6
Medium
58.5
56.5
Low
14.2
8.9
Smoking (%)
0.000
Yes
34.0
25.0
No
66.0
75.0
Obesity-related diseases (%)
Type 2 diabetes
1.6
2.1
0.039
Hypertension
3.5
3.7
0.100
Ischemic heart disease
3.9
3.2
0.829
Hypothyroidism
0.2
0.7
0.002
SF-36 vitality, M (SD)
68.0 (18.9)
62.0 (19.7)
0.000
SF-36 vitality (%)
0.000
High
21.8
14.5
Medium
45.2
38.4
Low
32.0
47.1
1 value of the chi-square test or independent t-test of differences between the means—categorical and continuous outcomes, respectively. SD, standard deviation; M, mean; MP, the Metropolit 1953 Danish Male Birth Cohort; DALWUH, the Danish Longitudinal Study on Work, Unemployment and Health.