Research Article

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.

MPDALWUH value1

23711141

Sex (%)0.000 (by design)
Men100.042.7
Women057.3

Age, M (SD)51.0 (0.2)52.8 (5.0)0.000 (by design)

Level of education (%)0.070
High39.441.0
Medium47.348.5
Low13.310.5

BMI at baseline, M (SD)25.9 (3.8)25.4 (4.2)0.000

Obesity baseline (%)0.304
Yes10.711.8
No89.388.2

BMI at follow-up, M (SD)26.3 (3.8)25.9 (4.4)0.000

Obesity follow-up (%)0.166
Yes15.814.0
No85.286.0

Physical activity (%)0.000
High27.334.6
Medium58.556.5
Low14.28.9

Smoking (%)0.000
Yes34.025.0
No66.075.0

Obesity-related diseases (%)
Type 2 diabetes1.62.10.039
Hypertension3.53.70.100
Ischemic heart disease3.93.20.829
Hypothyroidism0.20.70.002

SF-36 vitality, M (SD)68.0 (18.9)62.0 (19.7)0.000

SF-36 vitality (%)0.000
High21.814.5
Medium45.238.4
Low32.047.1

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.