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Table 3 Results from the random-coefficient proportional odds model with estimates for the association of subject-specific factors on Self-Reported Health

From: A prospective study on the effect of self-reported health and leisure time physical activity on mortality among an ageing population: results from the Tromsø study

  Basic model Complete case model IPW (missing)  
OR (95% CI) OR (95% CI) OR (95% CI)
Hard physical activity
 Sedentary (reference) 1.00    1.00    1.00    
 Some high intensity 1.25 (1.14, 1.37) 1.10 (0.76, 1.59) 0.64 (0.35, 1.18)  
 Moderate high intensity 1.97 (1.77, 2.19) 2.09 (1.38, 3.15) 1.66 (0.83, 3.31)  
 Vigorously high intensity 2.77 (2.35, 3.26) 8.89 (4.89, 16.17) 9.99 (3.48, 28.71)  
Light physical activity
 None (reference) 1.00    1.00    1.00    
  < 1 Hour 1.09 (0.93, 1.28) 0.67 (0.36, 1.24) 0.60 (0.21, 1.73)  
 1–2 h 1.34 (1.16, 1.55) 0.59 (0.33, 1.04) 0.54 (0.20, 1.44)  
  > 3 h 1.52 (1.32, 1.76) 0.47 (0.26, 0.83) 0.39 (0.14, 1.04)  
Interactions
 hardPA#c.age           
 Inactive (reference)     1.00    1.00    
 Some high intensity     1.02 (0.96, 1.09) 1.13 (1.02, 1.26)  
 Moderate high intensity     0.99 (0.92, 1.06) 1.05 (0.93, 1.18)  
 Vigorously high intensity     0.79 (0.71, 0.89) 0.79 (0.65, 0.95)  
lightPA#c.age
 Inactive (reference)     1.00    1.00    
  < 1 Hour     1.09 (0.97, 1.21) 1.10 (0.91, 1.31)  
 1–2 h     1.15 (1.05, 1.28) 1.17 (0.99, 1.38)  
  > 3 h     1.23 (1.11, 1.35) 1.28 (1.08, 1.51)  
Time varying confounders
 Body mass index           
   < 18.49 kg/m2 0.53 (0.33, 0.85) 0.58 (0.39, 0.87) 0.83 (0.38, 1.78)  
  18.5–24.99 Kg/m2 1.00    1.00    1.00    
  25–29.99 kg/m2 0.71 (0.65, 0.78) 0.73 (0.68, 0.80) 0.64 (0.56, 0.74)  
   > 30 kg/m2 0.40 (0.36, 0.46) 0.44 (0.39, 0.49) 0.32 (0.26, 0.39)  
 Comorbidity (HII) 0.74 (0.72, 0.76) 0.74 (0.73, 0.76) 0.73 (0.70, 0.76)  
 Mental distress (std) 0.37 (0.35, 0.39) 0.38 (0.36, 0.40) 0.34 (0.32, 0.37)  
 Resting heart rate (std) 0.86 (0.83, 0.90) 0.87 (0.84, 0.91) 0.81 (0.76, 0.87) /cut1
 Systolic Blood Pressure (std) 1.10 (1.06, 1.15) 1.08 (1.04, 1.12) 1.19 (1.12, 1.28) /cut2
 Total cholesterol (std) 1.04 (1.00, 1.09) 1.04 (1.00, 1.08) 1.07 (1.01, 1.14) /cut3
 Daily smoker 0.76 (0.69, 0.83) 0.76 (0.69, 0.82) 0.77 (0.67, 0.89)  
Education level
 Primary school (reference) 1.00    1.00    1.00    
 tech.school, middle school, vocatitional school, or high school diploma (3–4 years) 1.39 (1.25, 1.54) 1.35 (1.23, 1.49) 1.54 (1.33, 1.77)  
 College/university 2.76 (2.45, 3.11) 2.54 (2.28, 2.84) 4.15 (3.51, 4.91)  
/cut1: Poor −9.17 -(9.53, −8.81) −9.21 -(9.79, −8.64) −13.90 -(14.91, −12.88)  
/cut2: Not so good −4.39 -(4.69, −4.10) −4.76 -(5.31, −4.22) −7.87 -(8.82, −6.92)  
/cut3: Good 0.48 (0.21, 0.75) −0.25 -(0.79, 0.28) −1.33 -(2.25, −0.41)  
Random part of the model
 var. (constant) 3.15 (2.90, 3.42) 2.24 (2.05, 2.44) 8.37 (7.77, 9.01)  
  1. Basic:Wald chi2(19) = 3766.27, p < 0.0001
  2. CC model: Wald chi2(25) = 4564.77 Prob > = chibar2 = 0.0000
  3. IPW (Missing): Wald chi2(25) = 2331.80, p < 0.0001
  4. OR odds ratio, CI Confidence interval, PA physical activity, CVD Cardiovascular disease, std. standardised