Discovery of Novel Sources of Vitamin B₁₂ in Traditional Korean Foods from Nutritional Surveys of Centenarians

Table 1

Characteristics of Korean centenarian subjects.

	Lee et al. [6]	Kwon et al. [7]	Kwak et al. [9]
n(M/F)^†	54 (6/48)	117 (13/104)	70 (0/70)
Age (years)	102.1±1.7 (100–108)	102.2±1.9 (100–108)	102.2±1.9 (100–108)
Education (%)
None	50.0/89.6^†		/90.5^†
Elementary	50.0/10.4		/9.5
Illiteracy (%)		86.3
Smoking, currently (%)	19.6	40.0/17.4^†	/25.7
Living arrangement (%)
Alone	0.0/6.3^†		/9.2
With family	100/93.7		/90.8
Only with spouse	16.7/0.0		/0.0
Weight (kg)
M; F		52.3±3.9; 34.4±7.6
BMI
M; F		22.2±0.6; 17.6±3.6

^†Male/female.