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Table 3 Multiple linear regression analyses with body mass index as dependent variable

From: Association of informal caregiving with body mass index and frequency of sporting activities: evidence of a population-based study in Germany

  (1) (2) (3) (4) (5)
Independent variables Dependent variable: body mass index (BMI)
Sex: female (Ref.: male) -0.908*** -0.919*** -0.967*** -0.925*** -1.001***
(0.251) (0.252) (0.253) (0.250) (0.255)
Age in years -0.043* -0.043* -0.045* -0.044* -0.039+
(0.021) (0.021) (0.021) (0.021) (0.021)
Marital status: - married, not living together with spouse (Ref.: married and living together with spouse) -0.518 -0.526 -0.563 -0.502 -0.562
(0.774) (0.774) (0.781) (0.775) (0.780)
 - divorced -0.764 -0.832+ -0.697 -0.823+ -0.690
(0.472) (0.471) (0.472) (0.471) (0.476)
 - widowed 0.373 0.407 0.419 0.278 0.384
(0.481) (0.485) (0.481) (0.477) (0.482)
 - single -0.128 -0.155 -0.130 -0.294 0.0773
(0.608) (0.602) (0.602) (0.597) (0.622)
Number of illnesses 0.461*** 0.470*** 0.459*** 0.473*** 0.455***
(0.078) (0.077) (0.077) (0.076) (0.078)
Mean monthly net equivalent income -0.359*** -0.366*** -0.350*** -0.370*** -0.378***
(0.088) (0.089) (0.085) (0.090) (0.079)
Occupational status: - retired (Ref.: employed) 0.148 0.125 0.102 0.128 0.0376
(0.440) (0.439) (0.436) (0.437) (0.437)
 - others 0.322 0.316 0.300 0.359 0.184
(0.506) (0.506) (0.504) (0.505) (0.506)
Help around house: yes (Ref.: no) 0.132     
(0.259)     
Looking after someone: yes (Ref.: no)   0.285    
  (0.319)    
Nursing care services: yes (Ref.: no)    0.580*   
   (0.294)   
Any other help: yes (Ref.: no)     0.020  
    (0.255)  
Time per week spent for informal care (in hours)      0.013*
     (0.006)
Constant 29.52*** 29.36*** 29.59*** 29.61*** 29.37***
(1.173) (1.163) (1.157) (1.190) (1.181)
Observations 1,256 1,257 1,257 1,256 1,221
0.064 0.065 0.066 0.066 0.068
  1. Comments: Beta-coefficients were reported. Cluster-robust standard errors in parentheses
  2. ***p < 0.001
  3. **p < 0.01
  4. *p < 0.05, + p < 0.10