TABLE 1.

Subject Characteristics and CMT and Energy Data

Short Lactation (2–6 mo) (n = 27)Long Lactation (>1 y) (n = 34)P
Maternal age, y30.7 ± 2.934.4 ± 5.1.004
Maternal weight, kg66.3 ± 11.859.8 ± 8.7.03
Maternal BMI, kg/m224.5 ± 3.922.1 ± 3.0.01
Breastfeeding frequency, times per d7.1 ± 1.95.9 ± 3.3NS
CMT, %7.36 ± 2.65 (2–12)10.65 ± 5.07 (2–28)<.0001
Energy content, kJ/L3103.7 ± 863.2 (1075–4652)3683.2 ± 1032.2 (682–5887)<.0001
  • Data are expressed as mean ± SD (range). NS indicates not significant.