Table 3.

Co-morbidity characteristics at baseline

	Percentage (%)
Co-morbidity	Injured (n=184)	Non-injured (n=93)
Ever diagnosed by a doctor as having at least one of the chronic diseases*	27.3	21.7
Cardiovascular	7.7	7.5
Hypertension	11.5	11.8
Stroke	1.6	1.1
Pulmonary TB and/or other chronic pulmonary diseases	6.6	4.3
Diabetes	2.7	0
Others (including hepatitis and renal disease)	7.2	5.4
Experiencing at least one complaints (symptoms and/or signs) within the last 2 weeks**	79.2	66.7
Fatigue	24.0	23.7
Headache, dizziness, migraine	33.3	33.3
Muscle and/or joint pain	47.5	19.4
Fever, high body temperature	11.5	17.2
Cough/running nose and/or difficulty in breathing	12.6	19.4
Chest pain/cardiac palpitation	7.7	9.7
Diarrhea, nausea, vomiting, gastric pain, stomach ache	6.6	8.6
Others (including dermatitis, skin wound and infection)	11.1	6.5

*p-Value=0.31 (by chi-square test).

**p-Value=0.02 (by chi-square test).