Table 2 Socio-demographic characteristics of the study group
| Â | Number | % of participants |
|---|---|---|
Age category (n = 2466) | ||
 < 30 | 396 | 16.06 |
 31–40 | 816 | 33.09 |
 41–50 | 717 | 29.08 |
 51–60 | 415 | 16.83 |
 > 60 | 122 | 4.95 |
Ethnicity (n = 2461) | ||
 Sinhala | 2065 | 83.91 |
 Tamil | 191 | 7.76 |
 Moor | 201 | 8.17 |
 Other | 04 | 0.16 |
Level of education (n = 2342) | ||
 No education – grade 5 | 17 | 0.73 |
 Grade 6 – grade 11 | 353 | 15.07 |
 Ordinary level passed | 1229 | 52.48 |
 Advanced level passed | 679 | 28.99 |
 Graduate/postgraduate | 64 | 2.73 |
Monthly household income (n = 1830) | ||
 ≤ LKR 6999 | 31 | 1.69 |
 LKR 7000–12,999 | 151 | 8.25 |
 LKR 13,000–24,999 | 832 | 45.46 |
 LKR 25,000–49,999 | 720 | 39.34 |
 ≥ LKR 50,000 | 96 | 5.25 |
Smoking score (n = 2466) | ||
 Non smoker | 2112 | 85.64 |
 < 10 cigarettes per day | 349 | 14.15 |
 > 10 cigarettes per day | 5 | 0.20 |
Alcohol consumption (n = 2464) | ||
 Non alcoholic | 1902 | 77.19 |
 Alcoholic | 554 | 22.48 |
Sleeping score (n = 2466) | ||
 ≤ 6 h/day | 93 | 3.77 |
 7–8 h/day | 1939 | 78.63 |
 > 8 h/day | 394 | 15.98 |
Physical activity level (n = 2466) | ||
 Low | 465 | 18.86 |
 Medium | 345 | 13.99 |
 High | 1590 | 64.48 |