Table 4

Predictors of MVPA (min/day) at follow-up (N=394)

VariableNMultivariate adjusted β (95% CI)
Age, years
 <50128Ref
 50–55138−3.5 (−9.4 to 2.4)
 >55128−14.6 (−20.7 to −8.5)
 p Value <0.001
Sex
 Men196Ref
 Women198−3.7 (−8.7 to 1.3)
 p Value 0.15
Self-reported MVPA quartile
 Lowest (<20 MET-h/week)100Ref
 Low–moderate (20–30 MET-h/week)936.3 (−0.5 to 13.2)
 Moderate–high (31–43 MET-h/week)999.9 (3.0 to 16.9)
 Highest (>43 MET-h/week)1029.0 (2.0 to 16.0)
 p Value 0.02
Smoking status
 Never smoked216Ref
 Ex-smoker147−1.9 (−7.0 to 3.2)
 Current smoker31−4.5 (−14.1 to 5.0)
 p Value 0.56
BMI category
 Normal weight (<25 kg/m2)230Ref
 Overweight (25 to <30 kg/m2)144−9.1 (−14.2 to −4.1)
 Obese (≥30 kg/m2)20−10.3 (−21.4 to 0.8)
 p Value 0.001
Work grade
 Lowest81Ref
 Intermediate155−0.3 (−6.0 to 5.4)
 Highest158−2.8 (−10.4 to 4.8)
 p Value 0.75
Highest educational attainment
 None31Ref
 O-level/A-level2195.1 (−5.0 to 15.3)
 Degree or higher14411.7 (0.3 to 23.0)
 p Value 0.04
SF-36 General health perception
 Lowest (<67)113Ref
 Low–moderate (67–77)115−2.2 (−8.6 to 4.1)
 Moderate (77–87)861.9 (−5.0 to 8.7)
 High (>87)806.3 (−0.9 to 13.6)
 p Value 0.13
  • Model adjusted for age and mutually for all presented variables.

  • BMI, body mass index; MET, metabolic equivalent of task; MVPA, moderate-to-vigorous physical activity; SF-36, Short-Form 36 Health Survey.