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. 2021 Aug 11;53(1):1310–1316. doi: 10.1080/07853890.2021.1964037

Table 5.

Correlations between mother’s anthropometric measurements, and leptin levels in breast milk and maternal serum.

  Leptin level in breast milk
Leptin level in maternal serum
  1st Month
3rd Month
6th Month
1st Month
3rd Month
6th Month
  r p* r p* r p* r p* r p* r p*
Body weight (kg)                        
 1st Month 0.687 .000 0.735 .000 0.737 .000 0.533 .000 0.695 .000 0.826 .000
 3rd Month 0.694 .000 0.741 .000 0.744 .000 0.580 .000 0.702 .000 0.800 .000
 6th Month 0.686 .000 0.706 .000 0.709 .000 0.580 .000 0.694 .000 0.788 .000
BMI (kg/m2)                        
 1st Month 0.758 .000 0.832 .000 0.832 .000 0.564 .000 0.767 .000 0.918 .000
 3rd Month 0.773 .000 0.842 .000 0.842 .000 0.576 .000 0.783 .000 0.888 .000
 6th Month 0.733 .000 0.775 .000 0.775 .000 0.582 .000 0.743 .000 0.854 .000
Waist circumference (cm)                        
 1st Month 0.509 .000 0.443 .000 0.439 .000 0.480 .000 0.515 .000 0.654 .000
 3rd Month 0.483 .000 0.401 .001 0.396 .001 0.452 .000 0.490 .000 0.623 .000
 6th Month 0.501 .000 0.399 .001 0.396 .001 0.421 .000 0.505 .000 0.65 .000
Hip circumference (cm)                        
 1st Month 0.371 .002 0.251 .044 0.371 .002 0.332 .007 0.575 .000 0.575 .000
 3rd Month 0.397 .001 0.280 .024 0.398 .001 0.360 .003 0.571 .000 0.571 .000
 6th Month 0.398 .001 0.258 .038 0.398 .001 0.327 .008 0.575 .000 0.575 .000
Upper middle arm circumference (cm)                        
 1st Month 0.451 .000 0.441 .000 0.446 .000 0.172 .171 0.448 .000 0.437 .000
 3rd Month 0.418 .001 0.435 .000 0.434 .000 0.189 .131 0.419 .001 0.335 .006
 6th Month 0.383 .002 0.378 .002 0.376 .002 0.114 .364 0.385 .002 0.339 .006

*Spearmen correlation test.