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. 2012 Aug 7;12:624. doi: 10.1186/1471-2458-12-624

Table 2.

Estimation results of regression models (reduced models without missing observations)

Independent variables
Dependent variable (Health Related Quality of Life)
 
Model 1a
SEd
Model 2a
SEd
Model 3a
SEd
Model 4a
SEd
  Coefficient (95% CIb)c   Coefficient (95% CIb)c   Coefficient (95% CIb)c   Coefficient (95% CIb)c  
Walking
 
 
 
 
 
 
 
 
Active
0.026 (−0.003, 0.055)*
0.014
 
 
 
 
 
 
Inactive (reference)
 
 
 
 
 
 
 
 
Sports and exercise
 
 
 
 
 
 
 
 
Active
 
 
0.034 (−0.000, 0.068)**
0.018
 
 
 
 
Inactive (reference)
 
 
 
 
 
 
 
 
Objective measure
 
 
 
 
 
 
 
 
Active
 
 
 
 
0.072 (−0.014, 0.157)*
0.044
 
 
Inactive (reference)
 
 
 
 
 
 
 
 
Subjective measure
 
 
 
 
 
 
 
 
Active
 
 
 
 
 
 
0.047 (0.022,0.072)***
0.013
Inactive (reference)
 
 
 
 
 
 
 
 
Constant
1.456 (1.286, 1.626)***
0.090
1.159 (0.980,1.338)***
0.091
1.252 (1.017, 1.487)***
0.120
1.393 (1.277,1.510)***
0.059
Number of observations 3957   3957   873   874  

a All models [Model 1 (physical activity indicator: walking), Model 2 (physical activity indicator: sports and exercise), Model 3 (physical activity indicator: objective measure of physical activity), Model 4 (physical activity indicator: subjective measure physical activity] are adjusted to gender, age, income, educational qualification, employment status, ethnicity, marital status, house tenure, smoking status, drinking status, region of residence, urbanisation, general health status, BMI, morbidities (e.g. problems with heart, muscoskeletal, ear, vision, mental, hypertension, stroke, diabetes), psycho-social wellbeing (measured via General Health Questionnaire scores) .b95% Confidence Interval; cSignificance level of 1%(***), 5%(**) , 10%(*); drobust standard error.