Table 4 Independent variables entered in the different steps of the logistic and linear regression analyses.
From: Predictors of self-rated health: a 12-month prospective study of IT and media workers
Step (methods logistic/linear regression) | Independent variables at baseline |
|---|---|
Step 1 (Enter) | Socioeconomic variables: Age, sex, education, annual income, study group (intervention vs. reference group). |
Step 2 (Forward conditional/Forward) | Behavioural factors: Number of logins to the website, smoking habits, alcohol consumption, eating habits, physical activity, working hours. |
Step 3 (Forward conditional/Forward) | Psychosocial/cognitive/personality factors: SRH, sleep, concentration ability, mental energy, stress frequency, stress management ability, leisure time, goals, sense of coherence, belief in the future, self-esteem, social support, work mood, reward, and ability to influence work. |
Step 4 (Forward conditional/Forward) | Physiological markers: BMI, triglycerides, cholesterol, HDL, CRP (c-reactive protein), DHEA (dehydroepiandosterone), GH (growth hormone), cortisol, TSH (thyroid stimulating hormone), fibrinogen. |