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Table 2 Linear regression analysis of the factors associated with utility score by presence or absence of metabolic comorbidity

From: Impact of metabolic comorbidity on the association between body mass index and health-related quality of life: a Scotland-wide cross-sectional study of 5,608 participants

  

Univariate

Multivariate

  

No metabolic comorbidity

With metabolic comorbidity

No metabolic comorbidity

With metabolic comorbidity

  

Coefficient (95% CI)

P-value

Coefficient (95% CI)

P-value

Coefficient (95% CI)

P-value

Coefficient (95% CI)

P-value

BMI category

Underweight

-0.051 (-0.084, -0.018)

0.002

-0.167 (-0.275, -.059)

0.002

-0.036 (-0.069, -0.004)

0.027

-0.141 (-0.245, -0.037)

0.008

 

Normal-weight*

-

-

-

-

-

-

-

-

 

Overweight

0.008 (-0.000, 0.016)

0.059

0.032 (0.004, 0.060)

0.023

0.001 (-0.008, 0.009)

0.900

0.026 (-0.002, 0.053)

0.064

 

Obese

-0.012 (-0.022, -0.002)

0.015

-0.012 (-0.041, 0.015)

0.380

-0.016 (-0.026, -0.006)

0.001

-0.015 (-0.043, 0.013)

0.290

 

Morbidly obese

-0.054(-0.079, -0.029)

< 0.001

-0.085 (-0.137, -0.034)

0.001

-0.045 (-0.069, -0.020)

< 0.001

-0.077 (-0.128, -0.026)

0.003

Age (yrs)

20-44

0.002 (-0.005, 0.010)

0.500

0.001 (-0.036, 0.039)

0.924

0.005 (-0.002, 0.013)

0.190

0.007 (-0.030, 0.043)

0.714

 

45-64

-

-

-

-

-

-

-

-

 

≥ 65

-0.007 (-0.018, 0.003)

0.191

0.004 (-0.016, 0.025)

0.663

-0.009 (-0.020, 0.002)

0.106

0.004 (-0.017, 0.024)

0.718

Sex

Male*

-

-

-

-

-

-

-

-

 

Female

-0.020 (-0.028, -0.013)

< 0.001

-0.009 (-0.029, 0.010)

0.357

-0.020 (-0.027, -0.013)

< 0. 001

-0.005 (-0.025, 0.015)

0.629

Deprivation quintiles

        
 

1(Least deprived)*

-

-

-

-

-

-

-

-

 

2

-0.012 (-0.023, -0.001)

0.030

-0.016(-0.048, 0.015)

0.313

-0.008 (-0.019, 0.002)

0.132

-0.009 (-0.040, 0.021)

0.546

 

3

-0.026 (-0.037, -0.015)

< 0.001

-0.053(-0.085, -0.021)

0.001

-0.019 (-0.030, -0.008)

0.001

-0.036 (-0.068, -0.004)

0.027

 

4

-0.036 (-0.047, -0.024)

< 0.001

-0.070(-0.103, -0.038)

< 0.001

-0.026 (-0.038, -0.015)

< 0.001

-0.050 (-0.082, -0.017)

0.003

 

5(Most deprived)

-0.070 (-0.082, -0.058)

< 0.001

-0.117(-0.150, -0.084)

< 0.001

-0.052 (-0.064, -0.040)

< 0.001

-0.084 (-0.117, -0.051)

< 0.001

Smoking status

Never smoker*

-

-

-

-

-

-

-

-

 

Ex-smoker

-0.012 (-0.021, -0.004)

0.005

-0.031 (-0.053, -0.009)

0.006

-0.008 (-0.016, 0.001)

0.095

-0.031 (-0.053, -0.009)

0.006

 

Current smoker

-0.051 (-0.060, -0.042)

< 0.001

-0.085 (-0.113, -0.058)

< 0.001

-0.041 (-0.050, -0.032)

< 0.001

-0.067 (-0.095, -0.038)

< 0.001

Drinking status

Never drinker*

-

-

-

-

-

-

-

-

 

Ex-drinker

-0.058 (-0.083, -0.033)

< 0.001

-0.066 (-0.118, -0.013)

0.014

-0.050 (-0.075, -0.026)

< 0.001

-0.043 (-0.094, 0.008)

0.098

 

Sensible drinker‡

0.010 (-0.008, 0.028)

0.281

0.033 (-0.002, 0.069)

0.067

0.003 (-0.014, 0.021)

0.710

0.032 (-0.02, 0.067)

0.068

 

Excessive drinker

0.005 (-0.014, 0.024)

0.623

0.056 (0.015, 0.097)

0.007

-0.001 (-0.020, 0.018)

0.925

0.052 (0.010, 0.093)

0.014

 

Missing

-0.059 (-0.136, 0.018)

0.133

0.029 (-0.186, 0.244)

0.793

-0.054 (-0.130, 0.021)

0.156

0.033 (-0.173, 0.239)

0.754

  1. *Referent category, CI confidence interval, ‡ < 21 units/week for men, < 14 units/week for women
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BMC Public Health

ISSN: 1471-2458

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