Table 3.

Characteristics of the study participants.

	Age group			P-value*
	Near-old (N = 40)	Young-old (N = 32)	Old-old (N = 26)
Males, %	45.0	37.5	53.8	0.461
Live with others, %	97.5	100.0	92.3	0.231
Socio-economic score (SES)3
0, %	23.1	12.9	12.0	0.606
1, %	25.6	29.0	20.0
2, %	51.3	58.1	68.0
Mean physical activity level (MPAL)4
Light (MPAL >1.4 to <1.7), %	0.0	3.1	46.1	<0.001**
Moderately active (MPAL >1.7 to <2.0), %	12.5	65.6	38.5
Vigorous (MPAL >2.0 to 2.4), %	87.5	31.3	15.4
Smoker, %	45.0	34.4	50.0	0.459
Body Mass Index (BMI)5
Chronic energy deficient (BMI <18.5), %	22.5	37.5	47.8	0.168**
Normal (BMI >18.5 to <25), %	55.0	56.2	47.8
Overweight (BMI >25 to <30), %	20.0	6.3	4.4
Obese (BMI >30), %	2.5	0.0	0.0
With soil-transmitted helminths, %	54.1	56.7	64.0	0.733
With dental caries, %	40.0	41.9	38.5	0.965
With elevated cholesterol level, %	35.9	18.8	12.0	0.064
With goiter, %	12.5	21.9	7.7	0.282
With pulmonary tuberculosis, %	5.0	16.1	19.2	0.011

* Pearson's chi-square p-value

** Fisher's exact test p-value